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PCL Reconstruction

Posterior Cruciate Ligament Reconstruction: Coverage, Medical Necessity, Stress Radiography, Prior Authorization, Documentation, Coding, Reimbursement, and Denial Prevention

A comprehensive healthcare-operations reference for clinical, prior authorization, utilization management, coding, revenue cycle, ASC, hospital, and executive teams.

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Educational and operational reference only. Verify the live member-specific benefit, payer policy, delegated utilization-management criteria, Medicare requirements, current code sets, NCCI edits, authorization details, contractual terms, and site-of-service rules before treatment, scheduling, billing, or appeal activity. Authorization does not guarantee coverage or payment.

Procedure FamilyOrthopedic Surgery / Sports Medicine | Knee

ProcedurePosterior Cruciate Ligament Reconstruction

Primary CPT Focus29889, with concurrent ligament or knee procedures reported only when separately supported

Coding Year2026

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Specialty Healthcare Operations Backed by Measurable Experience

25+ YearsHealthcare operations experience

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Explore the Complete PCL Reconstruction Guide

Use the grouped links below to move directly to clinical, payer, authorization, coding, reimbursement, denial-prevention, and operational content.

Clinical Foundation

• Overview
• Evidence at a Glance
• Procedure Overview
• Relevant Anatomy (High-Level Overview)
• Clinical Indications
• Patient Selection
• Contraindications
• Imaging Requirements
• Medical Necessity

Coverage and Authorization

• Conservative Treatment Requirements
• Medicare and CMS Coverage
• CMS WISeR Model - Scope Boundary
• Commercial Payer and Utilization Management Comparison
• Documentation Requirements
• Prior Authorization Workflow
• Common Prior Authorization Denials
• Appeal Strategies

Coding and Revenue Integrity

• Coding and Billing Overview
• Applicable CPT Codes
• HCPCS Level II Codes
• Common ICD-10-CM Diagnosis Codes
• Applicable Modifiers
• Place of Service and Ambulatory Surgery Center Considerations

Operations, Insights, and Resources

• Clinical Documentation Checklist
• Procedure Comparison
• Device Manufacturers and System Considerations
• GoHealthcare Clinical Insights
• GoHealthcare Leadership Perspective
• GoHealthcare Prior Authorization Insight
• GoHealthcare Case Study
• GoHealthcare Best Practices
• Common Mistakes
• Pearls and Pitfalls
• Frequently Asked Questions
• Key Takeaways
• Future Outlook
• References
• Reading Recommendations
• Related GoHealthcare Resources
• Recommended Downloads
• Educational Disclaimer, Terms of Use, and Limitations

Procedure Guide

Overview

PCL reconstruction restores posterior knee stability after a clinically significant posterior cruciate ligament injury. The decisive operational issues are injury grade, objective posterior translation, stress-radiograph documentation, posterolateral-corner assessment, conservative-care sequencing, correct primary payer identification for trauma cases, graft verification, and authorization of the complete multi-ligament procedure set.

This page is designed for physicians, advanced practice providers, practice administrators, prior authorization teams, utilization management nurses, coding and revenue cycle professionals, ambulatory surgery centers, hospitals, and healthcare executives. It focuses on healthcare operations rather than procedural technique.

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Procedure Guide

Evidence at a Glance

One-page executive summary for physicians, prior authorization specialists, utilization management teams, and revenue cycle leaders.

Domain	Summary Position
Medicare National Coverage Determination (NCD)	None. No NCD addresses posterior cruciate ligament reconstruction. NCD 150.9 governs only arthroscopic lavage and debridement for the osteoarthritic knee and does not reach ligament reconstruction. Coverage is at Medicare Administrative Contractor discretion.
Medicare Local Coverage	Most contractors publish no full LCD for PCL reconstruction. Because Medicare criteria are not fully established, Medicare Advantage plans may apply internal medical necessity criteria under 42 CFR 422.101(b)(6). PCL reconstruction is a low-volume Medicare service; the operative payer environment is commercial, Medicaid, and, prominently, workers' compensation and auto liability given the dashboard-injury mechanism.
CMS WISeR Model	Not applicable. PCL reconstruction is not a WISeR selected service. Only NCD 150.9 arthroscopic lavage and debridement for the osteoarthritic knee falls within the model from the knee code set.
Commercial Payer Coverage	Covered with conditions. eviCore CMM-312 requires imaging confirmation of PCL tear, disruption, or significant laxity plus an objective instability finding - and uniquely offers a quantitative stress-radiograph pathway of at least 8 millimeters of increased posterior translation as an alternative to the physical-examination findings.
Evidence Level	Weaker and less mature than the ACL evidence base. Isolated low-grade PCL injuries (Grade I-II) are frequently managed non-operatively with good results. Reconstruction is favored for high-grade isolated injuries with functional instability, combined and multi-ligamentous injuries, bony avulsions, and chronic symptomatic laxity. Comparative surgical evidence remains predominantly low-level; PCL repair literature is limited and heterogeneous.
Image Guidance	Not separately reportable. Intraoperative fluoroscopy for tunnel placement is integral to the arthroscopic procedure under National Correct Coding Initiative Chapter IV policy.
Prior Authorization	Required by essentially all commercial and Medicare Advantage plans. Commonly delegated to eviCore, Carelon, Evolent, Cohere, or TurningPoint. Allograft tissue frequently requires separate authorization - and PCL reconstruction uses allograft more often than ACL reconstruction.
Conservative Therapy	Typically 3 months of provider-directed non-surgical management, with a named acute-setting exception. Under eviCore CMM-312 the exception applies where instability is documented together with either a need to return to cutting, pivoting, or agility activity, or concomitant ligament injuries requiring reconstruction for stability. Note this is one fewer exception branch than ACL - there is no repairable-meniscus exception for PCL.
Diagnostic Block Requirements	Not applicable to this procedure.
Key Documentation Requirements	MRI, CT arthrogram, or arthroscopic confirmation of PCL tear, disruption, or significant laxity; either stress radiographs showing at least 8 millimeters of increased posterior translation or a positive posterior drawer, posterior sag or tibial drop-back, or quadriceps active test; documented functional limitation; and either a conservative care record or a documented exception.
Typical Approval Considerations	The quantitative stress-radiograph pathway is the distinguishing operational feature of PCL authorization. A stress radiograph documenting at least 8 millimeters of increased posterior translation is the single most powerful piece of evidence available and converts a subjective instability argument into an objective measurement. Denials cluster where reconstruction is requested for a low-grade injury better managed non-operatively, and where the injury grade and translation are never objectively documented.

GoHealthcare Payer Intelligence Alert | Three PCL-specific items that change workflow

1. eviCore offers a quantitative stress-radiograph pathway that exists nowhere else in the knee criteria. Under CMM-312 V2.0.2025, effective March 7, 2026, PCL reconstruction may be approved on the basis of stress radiographs showing at least 8 millimeters of increased posterior translation, as an alternative to physical-examination findings. No comparable objective imaging threshold exists for ACL, meniscus, or collateral ligament procedures. Practices that obtain the stress radiograph convert the hardest part of the case - proving instability - into a number.

2. Carelon announced a September 19, 2026 update that specifically names PCL instability. The Carelon Joint Surgery guideline annual-review cycle includes a criterion addressing persistent instability despite conservative treatment on the posterior cruciate ligament. Verify the exact language and effective date for the governing member before assembling any Carelon-delegated PCL packet.

3. PCL has one fewer conservative-care exception than ACL. The eviCore acute-setting waiver for PCL includes only the return-to-pivoting condition and the multi-ligamentous condition. The repairable-meniscus exception that applies to ACL does not appear in the PCL criteria. Do not carry the ACL exception template across to a PCL case.

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Procedure Guide

Procedure Overview

Posterior cruciate ligament reconstruction replaces or augments a torn PCL with a graft passed through bone tunnels and secured with fixation, restoring the primary restraint against posterior tibial translation. It is performed arthroscopically or arthroscopically assisted in most cases and is reported with CPT 29889. It is substantially less common than ACL reconstruction, and its clinical and coverage profile differs in ways that matter operationally.

Three features distinguish PCL reconstruction from its anterior counterpart. First, isolated low-grade PCL injuries are frequently managed non-operatively with good outcomes, so the threshold for surgery - and for authorization - is higher and more grade-dependent. Second, the injury mechanism is dominated by high-energy trauma, dashboard injuries, and athletic hyperflexion, which makes workers' compensation and auto liability a larger share of the payer mix. Third, and most importantly for authorization, the governing criteria offer a quantitative objective pathway - the stress radiograph - that has no equivalent elsewhere in knee surgery.

The grade-dependent treatment framework

Injury Grade	Typical Posterior Translation	Default Management Posture
Grade I	Partial tear; less than 5 millimeters	Non-operative. Reconstruction generally not supported for isolated Grade I injury
Grade II	Complete isolated tear; 5 to 10 millimeters	Non-operative first line for isolated injury. Reconstruction considered where functional instability persists after structured rehabilitation
Grade III	10 or more millimeters; often combined injury	Reconstruction more often indicated, particularly with functional instability, combined ligament injury, or chronic symptoms
Combined / multi-ligamentous	Variable; frequently high grade	Reconstruction commonly indicated. The multi-ligamentous knee is a recognized conservative-care exception
Bony avulsion	Displacement dependent	Acute fixation of a displaced avulsion is frequently indicated and follows a distinct clinical and coding pathway from soft-tissue reconstruction

The operational consequence is that PCL grade must be documented. A request that describes a PCL tear without characterizing the grade or the posterior translation invites the reviewer to assume a low-grade injury that would ordinarily be managed non-operatively. The single most valuable thing a practice can do on a PCL case is obtain and document an objective measurement of posterior translation.

Reconstruction, repair, and augmentation

As with the ACL, CPT 29889 covers repair, augmentation, or reconstruction in a single descriptor. Unlike the ACL criteria, eviCore CMM-312 does not carry a categorical statement that PCL repair is not medically necessary; the PCL section addresses reconstruction and applies the general not-medically-necessary-for-any-other-indication language. PCL repair, particularly of proximal avulsions and bony avulsions with modern suture techniques, is an area of active and evolving evidence. Because the code does not distinguish the operations, the operative note and the authorization narrative should describe precisely what was performed and why.

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Procedure Guide

Relevant Anatomy (High-Level Overview)

Limited to the anatomy required to understand indications, imaging correlation, coverage criteria, and graft and fixation decisions.

Structure	Operational Relevance
Posterior cruciate ligament	The primary restraint against posterior tibial translation and the strongest ligament in the knee. Comprises the larger anterolateral bundle and the smaller posteromedial bundle, which tension reciprocally through the flexion arc. Loss of function produces the posterior sag and instability that criteria require to be documented
Meniscofemoral ligaments	The ligaments of Humphrey and Wrisberg, which run anterior and posterior to the PCL and contribute to posterior stability. Their presence complicates isolated PCL assessment and is relevant to the interpretation of residual laxity
Posterolateral corner	The lateral collateral ligament, popliteus tendon, and popliteofibular ligament. Combined PCL and posterolateral corner injury is common and clinically critical: an unrecognized posterolateral corner injury is a leading cause of PCL reconstruction failure. The dial test at 30 and 90 degrees distinguishes isolated from combined injury
Femoral and tibial footprints	The tibial attachment sits on the posterior tibia below the joint line, making tunnel placement technically demanding and creating the anatomic basis for the tibial-inlay versus transtibial-tunnel technique distinction
Popliteal neurovascular bundle	Immediately posterior to the tibial PCL footprint. Its proximity is the principal safety consideration in tibial tunnel or inlay work and part of the rationale for hospital outpatient or inpatient site selection in complex cases
Menisci and articular cartilage	Chronic PCL insufficiency loads the medial and patellofemoral compartments and accelerates degenerative change, which is the basis for treating chronic symptomatic laxity and for documenting the consequences of non-treatment
Graft donor sites	Achilles tendon allograft, tibialis anterior allograft, bone-patellar tendon-bone autograft or allograft, quadriceps tendon, and hamstring autograft. PCL reconstruction relies on allograft more frequently than ACL reconstruction because of graft length and the frequency of multi-ligamentous injury

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Procedure Guide

Clinical Indications

Strong and generally supported indications

• High-grade (Grade III) isolated PCL injury with documented functional instability after a trial of structured rehabilitation.
• Combined or multi-ligamentous knee injury involving the PCL, particularly with posterolateral corner or ACL involvement, where reconstruction is required to restore stability.
• PCL injury with an associated bony avulsion, where acute fixation of a displaced fragment is frequently indicated.
• Chronic symptomatic PCL laxity with functional instability, difficulty with deceleration and stairs, and objective posterior translation.
• PCL injury with objective stress-radiograph translation of at least 8 millimeters, which satisfies the quantitative pathway in the governing criteria.
• Knee dislocation with PCL disruption as part of a multi-ligamentous reconstruction plan.
• Symptomatic failure of prior PCL reconstruction with recurrent objective laxity and an identified failure mechanism, including missed posterolateral corner injury.

Conditionally supported indications requiring careful documentation

• Grade II isolated PCL injury with functional instability that persists after a documented course of rehabilitation. Document the failed rehabilitation and the persistent objective laxity; an acute Grade II injury without a rehabilitation trial will generally be directed to non-operative management first.
• PCL reconstruction in a patient with early degenerative change, where the arthrosis grade should be stated and the chronic laxity framed as a driver of that degeneration.
• PCL reconstruction where the primary objective evidence is examination-based rather than stress-radiograph based - supportable, but a stress radiograph materially strengthens the case and should be obtained where feasible.
• Concurrent meniscal or cartilage procedures, each of which carries its own criteria set.

Indications payers generally will not approve

• Reconstruction for an isolated Grade I PCL injury.
• Reconstruction for an isolated Grade II injury without a documented trial of non-operative management and without persistent objective instability.
• Reconstruction for an incidentally imaged PCL abnormality in a patient without functional instability.
• Reconstruction where the documented complaint is pain alone, without instability, posterior sag, or objective posterior translation.
• Reconstruction in advanced tricompartmental arthrosis where arthroplasty or continued non-operative management is the appropriate pathway.
• Biologic augmentation of the PCL graft, which multiple payers designate experimental or investigational.

GoHealthcare Clinical Insight | The stress radiograph is the whole game

PCL authorization differs from every other knee procedure in one decisive respect: the governing criteria provide a quantitative objective threshold that, by itself, satisfies the objective-finding requirement. Under eviCore CMM-312, stress radiographs showing at least 8 millimeters of increased posterior translation establish the objective instability criterion without any physical-examination finding at all.

This is a gift, and most practices do not use it. Posterior sag and posterior drawer are examiner-dependent and hard to grade reproducibly; a stress radiograph produces a number that a reviewer cannot dispute. For any patient in whom PCL reconstruction is genuinely being considered, obtaining a stress radiograph - kneeling, Telos, or gravity technique - is the highest-yield single action available. It converts the hardest criterion in the case into the easiest.

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Procedure Guide

Patient Selection

Selection Domain	What the Reviewer Is Looking For	Common Documentation Gap
1. Structural confirmation	MRI, CT arthrogram, or arthroscopy demonstrating tear, disruption, or significant laxity of the PCL, ideally with an injury grade	MRI describes PCL signal change or thickening without confirming tear, disruption, or laxity, and without a grade
2. Objective instability	Either stress radiographs showing at least 8 millimeters of increased posterior translation, or a positive posterior drawer, posterior sag or tibial drop-back, or quadriceps active test	No stress radiograph obtained and examination documents only tenderness and effusion, with no PCL-specific instability test recorded
3. Functional limitation	Function-limiting knee pain and/or loss of knee function interfering with activities of daily living or the demands of employment	Functional impact stated generically without connection to instability during deceleration, descent, or occupational demand
4. Grade-appropriate pathway	High-grade or combined injury, or a documented failed rehabilitation trial for lower-grade isolated injury	Reconstruction requested for an acute isolated lower-grade injury with no rehabilitation trial
5. Conservative care or exception	Three months of provider-directed non-surgical management, or an affirmatively stated acute-setting exception naming the qualifying condition	Neither completed nor excepted

Favorable selection factors

• High-energy or clearly defined injury mechanism - dashboard injury, athletic hyperflexion, fall on a flexed knee.
• Objective posterior translation of at least 8 millimeters on a stress radiograph.
• Combined or multi-ligamentous injury pattern.
• Documented posterolateral corner assessment, whether positive or negative - its presence in the record signals a complete evaluation.
• Functional instability with specific deceleration, descent, and occupational limitations.
• Preserved articular cartilage and alignment, or a documented plan to address malalignment.
• Chronic symptomatic laxity with documented progression.

Unfavorable selection factors

• Isolated low-grade injury without a rehabilitation trial.
• Absence of objective instability, whether by stress radiograph or examination.
• Advanced tricompartmental arthrosis.
• Significant untreated varus malalignment in chronic PCL and posterolateral corner injury, where osteotomy should be considered first.
• Active infection or open wound at the surgical or graft harvest site.
• Uncontrolled diabetes, active tobacco use, or comorbidity profile jeopardizing graft incorporation.
• Inability or unwillingness to complete the demanding PCL rehabilitation protocol, which differs from ACL rehabilitation and is essential to outcome.

GoHealthcare Prior Authorization Insight | Always assess and document the posterolateral corner

The most consequential clinical and authorization detail in PCL surgery is the posterolateral corner. An unrecognized posterolateral corner injury is a leading cause of isolated PCL reconstruction failure, and its presence converts an isolated PCL case into a multi-ligamentous case - which is itself a named conservative-care exception and a stronger authorization posture.

Document the dial test at 30 and 90 degrees, the varus stress examination, and the posterolateral corner status explicitly, whether positive or negative. A record that shows the posterolateral corner was assessed reads as a complete evaluation; a record silent on it invites the reviewer to question whether the surgical plan is adequate. When the corner is involved, name the multi-ligamentous exception.

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Procedure Guide

Contraindications

Absolute contraindications

• Active septic arthritis of the knee, or active infection at the surgical or graft harvest site.
• Active systemic bacteremia in an elective setting.
• Uncorrected coagulopathy that cannot be safely managed perioperatively.
• Medical instability precluding safe anesthesia.
• Vascular injury requiring management before ligament reconstruction in the acute knee-dislocation setting.

Relative contraindications and coverage-defeating conditions

• Isolated low-grade PCL injury without functional instability - the most common practical contraindication and the most common cause of denial.
• Absence of objective instability documentation, whether by stress radiograph or examination.
• Advanced tricompartmental osteoarthritis.
• Uncorrected varus malalignment in chronic combined PCL and posterolateral corner injury.
• Significant knee stiffness or arthrofibrosis risk at the time of proposed surgery.
• Poorly controlled diabetes and active tobacco use.
• Documented inability to complete the demanding postoperative rehabilitation protocol.

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Procedure Guide

Conservative Treatment Requirements

Conservative management plays a larger and more legitimate role in PCL injury than in ACL injury. Isolated low-grade PCL injuries frequently do well with structured rehabilitation, and payers reasonably expect a rehabilitation trial before reconstruction for lower-grade isolated injury. The exception pathways are narrower than for the ACL, and the practice should not assume the ACL exception structure carries across.

Duration expectations and exception pathways by governing policy

Reviewing Entity	Standard Requirement	Exception Pathway
eviCore (CMM-312, V2.0.2025, effective March 7, 2026)	Failure of provider-directed non-surgical management for at least 3 months	Waived in an acute injury setting where joint instability is documented together with either: need to return to cutting, pivoting, or agility activity where PCL insufficiency may predispose to further instability and new articular or meniscal injury; or concomitant ligament injuries requiring reconstruction for stability. Note: no repairable-meniscus exception exists for PCL, unlike ACL.
Carelon (Joint Surgery, MSK02-1125.1, effective November 15, 2025)	Physical therapy plus at least one complementary strategy, with documented reevaluation	The announced September 19, 2026 update specifically adds a criterion for persistent instability despite conservative treatment on the PCL. Verify the exact language and effective date for the member before assembling the packet
Evolent / NIA (CG-316)	Documented failure of conservative management with clinical correlation of subjective complaints to objective findings; PCL grouped within the knee ligament reconstruction code family	Acute multi-ligamentous presentations. Note the separate constraint prohibiting intra-articular cortisone injection within four weeks of surgery
Aetna	Documented conservative therapy consistent with the governing bulletin	Acute high-grade and multi-ligamentous presentations. Allograft tissue addressed under Clinical Policy Bulletin 0364
UnitedHealthcare (Surgery of the Knee, effective June 1, 2026)	Conservative management consistent with the current coverage rationale	Acute high-grade, combined, and knee-dislocation presentations
Original Medicare	No national conservative care mandate; contractor discretion applies	Not applicable. Low-volume population for this procedure

What conservative management means for PCL injury

• A PCL-specific rehabilitation program emphasizing quadriceps strengthening, which dynamically supports posterior stability, with protected posterior tibial translation during early healing.
• Bracing where used, including dynamic PCL braces that apply an anterior force to counter posterior sag, with the indication documented.
• Activity modification during the trial.
• Anti-inflammatory or analgesic medication as clinically appropriate.
• A documented reevaluation demonstrating persistent functional instability and, ideally, persistent objective posterior translation rather than merely persistent pain. This is the element that converts a completed conservative trial into an approval for a lower-grade isolated injury.

GoHealthcare Best Practice | Re-image the translation after the rehabilitation trial

For a lower-grade isolated PCL injury directed to non-operative management, the most persuasive evidence at the end of the trial is a repeat stress radiograph documenting persistent or worsening posterior translation alongside persistent functional instability. This transforms the appeal from a subjective assertion that rehabilitation failed into an objective demonstration that the laxity did not resolve.

A patient who completes structured rehabilitation and still measures 8 millimeters or more of increased posterior translation has, by objective measurement, failed non-operative management for functional PCL insufficiency. That is a far stronger position than a narrative note stating that therapy did not help.

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Procedure Guide

Imaging Requirements

Stress radiographs - the decisive study

• Stress radiography is the single most valuable imaging study in PCL authorization. Under eviCore CMM-312, stress radiographs showing at least 8 millimeters of increased posterior translation independently satisfy the objective instability criterion.
• Common techniques include the kneeling stress view, the Telos device stress view, and gravity stress views. The study measures side-to-side difference in posterior tibial translation.
• The report should state the numeric side-to-side difference in millimeters. A study that concludes "increased posterior translation" without a measurement does not clearly satisfy the quantitative threshold and should be clarified.
• Increasing translation across serial studies is powerful evidence of clinically significant laxity and of failed non-operative management.

Magnetic resonance imaging

• The primary study for confirming PCL tear, disruption, or significant laxity, and for characterizing associated injuries.
• The report should state tear, disruption, or significant laxity of the PCL. Note that MRI is most reliable for acute PCL injury; in chronic injury the ligament may appear in continuity despite functional insufficiency, which is precisely why the stress radiograph is essential in the chronic setting.
• The report should specifically address the posterolateral corner, the collateral ligaments, the ACL, the menisci, and the articular cartilage, because combined injury changes both the surgical plan and the authorization pathway.
• Bone contusion pattern, particularly anterior tibial contusion, supports an acute PCL injury mechanism.
• Computed tomography arthrography is an accepted alternative where MRI is contraindicated or non-diagnostic, and is named as acceptable in the criteria alongside MRI and arthroscopy. Computed tomography is also valuable for characterizing bony avulsion.

Radiographs

• Standard weight-bearing views to assess alignment, degenerative change, and bony avulsion.
• Long-leg alignment views where varus malalignment is a consideration in chronic combined injury, since uncorrected malalignment is a recognized cause of reconstruction failure.
• Where degenerative change is present, state the Kellgren-Lawrence grade.

Report Language That Supports Approval	Report Language That Invites Denial
"Kneeling stress radiograph demonstrates 11 millimeters of increased posterior translation compared with the contralateral knee"	"Increased posterior translation noted" with no measurement
"Complete disruption of the posterior cruciate ligament with fiber discontinuity"	"Increased signal within the posterior cruciate ligament"
"Grade III posterior cruciate ligament injury with associated posterolateral corner disruption"	"Posterior cruciate ligament sprain" with no grade and no corner comment
"Bony avulsion of the posterior cruciate ligament tibial insertion with 6 millimeters of displacement"	"Possible osseous irregularity at the posterior tibia"
"Positive dial test asymmetry at 30 and 90 degrees consistent with combined PCL and posterolateral corner injury" documented on examination	Imaging reported with no posterolateral corner assessment on examination

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Procedure Guide

Medical Necessity

Framed for insurance approval rather than clinical theory alone.

Medical necessity for PCL reconstruction rests on five linked elements. The distinguishing feature is that the objective-instability element can be satisfied by a single number - the stress-radiograph translation - which is both the strongest evidence and the most frequently omitted.

1 Structural confirmation of PCL tear, disruption, or significant laxity on MRI, computed tomography arthrogram, or arthroscopy, ideally with a grade.

2 Objective instability - either a stress radiograph showing at least 8 millimeters of increased posterior translation, or a positive posterior drawer, posterior sag or tibial drop-back, or quadriceps active test.

3 Functional limitation interfering with activities of daily living or the demands of employment, framed around deceleration, descent, and instability.

4 A grade-appropriate surgical indication - high-grade, combined, avulsion, or chronic symptomatic laxity, or a documented failed rehabilitation trial for lower-grade isolated injury.

5 Failed conservative management, or an affirmatively documented exception naming the qualifying condition - return-to-pivoting need or concomitant ligament injury.

Model medical necessity statement

Template | Adapt to the specific clinical facts; do not use verbatim

This 28-year-old delivery driver sustained a dashboard injury to the right knee in a motor vehicle collision on [date], striking the anterior tibia against the dashboard with the knee flexed. He reports instability descending stairs and ramps, difficulty decelerating, and a sensation of the knee shifting backward. Examination demonstrates a positive posterior drawer, a positive posterior sag, and a positive quadriceps active test, with a negative dial test asymmetry indicating an isolated PCL injury. Kneeling stress radiographs obtained on [date] demonstrate 12 millimeters of increased posterior translation compared with the contralateral knee. MRI obtained [date] demonstrates complete disruption of the posterior cruciate ligament with fiber discontinuity and an anterior tibial bone contusion, with an intact posterolateral corner, intact collateral ligaments, and intact menisci.

Arthroscopically aided posterior cruciate ligament reconstruction is recommended for a high-grade PCL injury with objective functional instability. The stress radiograph documents 12 millimeters of increased posterior translation, exceeding the objective threshold, and the functional instability directly limits this patient's occupational demands as a delivery driver. This is a work-related injury with a clearly documented mechanism and temporal relationship.

Note the features that make this work: an objective translation measurement, a documented posterolateral corner assessment, a clear mechanism and functional limitation, and, for the workers' compensation context, an explicit causation statement.

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Procedure Guide

Medicare and CMS Coverage

No National Coverage Determination applies

There is no National Coverage Determination addressing posterior cruciate ligament reconstruction. NCD 150.9 governs only arthroscopic lavage and debridement for the osteoarthritic knee and does not reach ligament reconstruction. Coverage is at Medicare Administrative Contractor discretion under the general reasonable and necessary standard at Section 1862(a)(1)(A) of the Social Security Act.

Local coverage and Medicare Advantage

• Most Medicare Administrative Contractors publish no full Local Coverage Determination for PCL reconstruction. Verify contractor-specific articles for the applicable jurisdiction.
• Because Medicare coverage criteria are not fully established, Medicare Advantage plans may apply internal medical necessity criteria consistent with 42 CFR 422.101(b)(6). In practice, Medicare Advantage PCL authorization is governed by delegated vendor criteria.
• CPT 29889 is on the Medicare ambulatory surgery center covered procedures list. Confirm current-year status, and note that complex multi-ligamentous reconstruction may appropriately be performed in a hospital setting.

Practical Medicare and coordination notes

• PCL reconstruction is a low-volume Original Medicare service. The dominant payer mix is commercial, workers' compensation, and auto liability given the trauma mechanism.
• Where the injury arose from a motor vehicle collision or a work injury, coordination of benefits and the applicable liability or workers' compensation carrier frequently take precedence over the health plan. Establish the correct primary payer before submitting.
• Intraoperative fluoroscopy for tunnel placement is integral and not separately reportable.
• Graft harvest from the operative knee is included in 29889.

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Procedure Guide

CMS WISeR Model - Scope Boundary

The CMS Wasteful and Inappropriate Service Reduction (WISeR) Model introduced prior authorization into Original Medicare for a defined list of services beginning January 1, 2026, in New Jersey, Ohio, Oklahoma, Texas, Arizona, and Washington. From the knee code set, only NCD 150.9 - arthroscopic lavage and arthroscopic debridement for the osteoarthritic knee - is a selected service. PCL reconstruction is not.

Question	Answer
Is CPT 29889 subject to WISeR prior authorization?	No. PCL reconstruction is not among the WISeR selected services. Verify the current Appendix A code set in the WISeR Model Provider and Supplier Operational Guide, since the list may change across performance years
Does WISeR affect Medicare Advantage PCL cases?	No. WISeR applies only to Original Medicare fee-for-service beneficiaries. Medicare Advantage members remain subject to plan-level prior authorization
Where does the boundary still matter?	When PCL reconstruction is performed in an Original Medicare beneficiary in a model state with concurrent debridement or lavage for osteoarthritis. The reconstruction is outside the model; the debridement component may fall within it
Given the trauma mechanism, is WISeR often relevant to PCL?	Rarely. PCL reconstruction is predominantly a younger-patient, trauma-driven procedure, and the Original Medicare fee-for-service population in the six model states represents a small share of PCL volume

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Procedure Guide

Commercial Payer and Utilization Management Comparison

Synthesized operational guidance. Policy language is not reproduced. Always verify the version and effective date governing the specific member.

Utilization management vendor comparison

Vendor / Policy	Current Version and Date	Distinguishing Operational Features
eviCore by Evernorth CMM-312, Knee Surgery - Arthroscopic and Open Procedures	Comprehensive Musculoskeletal Management Guidelines V2.0.2025; Cigna-administered version effective March 7, 2026	The only guideline offering a quantitative stress-radiograph pathway: PCL reconstruction is approvable where imaging shows tear, disruption, or significant laxity and any of stress radiographs showing at least 8 millimeters of increased posterior translation, positive posterior drawer, positive posterior sag or tibial drop-back, or positive quadriceps active test, together with functional limitation and 3 months of non-surgical management. The acute-setting exception has two branches - return-to-pivoting need or concomitant ligament injury - and unlike ACL carries no repairable-meniscus branch. PCL repair is not separately excluded as it is for ACL
Carelon Medical Benefits Management Clinical Appropriateness Guidelines: Joint Surgery	Doc ID MSK02-1125.1, effective November 15, 2025; annual-review updates effective September 19, 2026	The September 2026 update specifically adds a PCL criterion addressing persistent instability despite conservative treatment. This is the single most important payer development for PCL in 2026 and must be verified for exact language and effective date before assembling any Carelon-delegated packet. General framework otherwise applies: physical therapy plus at least one complementary strategy, imaging within 12 months, provider interpretation of radiographs permitted where a graded report is unavailable
Evolent Health (National Imaging Associates) Clinical Guideline: Knee Arthroscopy, NIA CG 316 _ _	Verify plan-specific implementation date	Groups PCL reconstruction within the knee ligament reconstruction and repair code family alongside 27405, 27407, 27409, 27427, 27428, 27429, and 29888. Requires clinical correlation of subjective complaints with objective findings and imaging. Applies the constraint of no intra-articular cortisone injection within four weeks of surgery. Publishes a utilization management matrix governing allowable billed groupings
Cohere Health	Plan-specific; verify at the health plan level	Episode oriented. Multi-ligamentous PCL cases benefit from submitting the full anticipated procedure set, including collateral and posterolateral corner reconstruction codes, at initial request
TurningPoint Healthcare Solutions	Plan-specific; verify at the health plan level	Emphasizes site-of-service appropriateness and graft and implant selection. Given the neurovascular proximity in PCL tibial work, site-of-service review may favor hospital settings for complex cases

National commercial payer comparison

Payer	Governing Policy	Operational Notes
Cigna Healthcare	Cigna Medical Coverage Policies - Musculoskeletal; CMM-312 developed by eviCore, effective March 7, 2026	Administers PCL criteria through eviCore CMM-312, including the quantitative stress-radiograph pathway. Confirm against the Cigna CPT code list which procedures eviCore reviews for the specific plan
UnitedHealthcare	Surgery of the Knee - Commercial and Individual Exchange Medical Policy, effective June 1, 2026; Joint Procedures for Medicare Advantage; state-specific Community Plan versions	Applicable code set includes 29888 and 29889 together with the broader knee surgical set. Maintains separate commercial, Medicare Advantage, and Medicaid variants. For Oxford and certain arrangements, outpatient procedures may route through eviCore
Aetna	Clinical Policy Bulletin 0364, Allograft Transplants of the Extremities, addresses knee ligament reconstruction with allograft tendon including the PCL; related bulletins address knee surgery	Recognizes allograft tendon for PCL reconstruction and specifically for primary reconstruction of combined ligament injuries where an adequate autologous graft is unavailable - a common scenario in multi-ligamentous PCL injury. Cites Achilles allograft and hamstring autograft evidence for PCL. Verify the current bulletin set
Humana	Medical coverage policies; delegated arrangements vary by market	Verify delegation. Medicare Advantage products apply internal criteria where Medicare criteria are not fully established
Elevance Health (Anthem) and affiliated Blue plans	Carelon Clinical Appropriateness Guidelines: Joint Surgery	Most Anthem and affiliated Blue plans delegate to Carelon. The September 19, 2026 PCL criterion update applies here and should be verified before submission
Blue Cross Blue Shield plans (independent licensees)	Plan-specific medical policy; several use MCG care guidelines or delegate to Carelon or eviCore	Build a plan-level matrix. Positions on stress-radiograph thresholds and multi-ligamentous reconstruction vary
Workers' compensation and auto/no-fault	State treatment guidelines and jurisdiction-specific utilization review	A dominant share of PCL volume. The dashboard-injury and work-injury mechanisms make causation documentation central. Document the mechanism, the temporal relationship, and the acute traumatic nature of the injury explicitly. The liability or workers' compensation carrier is frequently the primary payer
Medicaid managed care and state Medicaid	State-specific; prior authorization commonly required	Verify both medical necessity criteria and fee schedule inclusion

GoHealthcare Payer Intelligence | Where PCL authorization genuinely differs from ACL

Practices that treat PCL as "ACL for the back of the knee" make four recurring errors:

• The stress radiograph is decisive and underused. The 8-millimeter objective threshold has no ACL equivalent. Obtain the study; it is the strongest evidence available.
• PCL has one fewer conservative-care exception. There is no repairable-meniscus waiver for PCL. Do not carry the ACL exception template across.
• Grade drives everything. Low-grade isolated PCL injury is legitimately a non-operative condition, so grade must be documented in a way it need not be for a complete ACL tear.
• The posterolateral corner is the hidden variable. Combined injury changes the surgical plan, the coding, and the authorization posture, and a missed corner injury is a leading cause of failure. Document its assessment every time.

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Procedure Guide

Documentation Requirements

Core clinical documentation

• Injury date and mechanism, stated specifically (dashboard injury, athletic hyperflexion, fall on a flexed knee, sporting contact)
• Whether the presentation is acute or chronic, with the timeline
• Functional instability described specifically - difficulty with deceleration, stair and ramp descent, and a sensation of the tibia shifting backward
• Functional limitation stated against activities of daily living, occupational demands, or return-to-sport requirements
• Prior knee injury or surgery, with dates
• For work or motor vehicle injuries, the causation history and the responsible carrier
• Relevant comorbidities: diabetes with most recent hemoglobin A1c, body mass index, tobacco use, anticoagulation

Physical examination

• Posterior drawer test with grade
• Posterior sag sign or tibial drop-back
• Quadriceps active test
• Dial test at 30 and 90 degrees to assess the posterolateral corner
• Varus and valgus stress testing to assess collateral involvement
• Lachman and anterior drawer to assess concurrent ACL involvement
• Range of motion in degrees
• Effusion grade
• Neurovascular examination, particularly in the acute high-energy or dislocation setting
• Gait, alignment, and any varus thrust

Imaging

• Stress radiograph with the numeric side-to-side difference in millimeters - the single most valuable study
• MRI or CT arthrogram report stating tear, disruption, or significant laxity of the PCL, with a grade where possible
• Explicit posterolateral corner, collateral, ACL, meniscal, and cartilage findings
• Bony avulsion characterization with displacement where present
• Weight-bearing and, in chronic combined injury, long-leg alignment radiographs
• Kellgren-Lawrence grade where degenerative change is present
• Explicit imaging-to-examination-to-symptom correlation statement

Conservative management or documented exception

• Either: dated conservative care ledger with a PCL-specific rehabilitation program, bracing, medications, activity modification, and a documented reevaluation showing persistent functional instability - ideally with a repeat stress radiograph
• Or: an affirmative statement naming the acute-setting exception (return-to-pivoting need or concomitant ligament injury) and the qualifying condition present
• Intra-articular injection dates verified against the applicable preoperative window

Surgical planning and administrative

• Named intended procedure, laterality, and whether reconstruction, augmentation, or repair
• Whether the procedure is isolated PCL or part of a multi-ligamentous reconstruction, with the additional ligaments named
• Graft selection and rationale, noting the frequent use of allograft in PCL and multi-ligamentous cases
• Planned concurrent procedures, including posterolateral corner and collateral reconstruction, meniscal, and cartilage procedures
• Anticipated intraoperative contingencies
• Explicit medical necessity statement linking all elements
• Site of service with rationale, given neurovascular proximity in tibial work
• Separate verification for allograft tissue and implants
• Correct primary payer established for work or motor vehicle injuries

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Procedure Guide

Prior Authorization Workflow

Stage	Owner	Actions and Operational Standards
1. Intake and payer triage	PA specialist / Clinical staff	Establish the correct primary payer first. PCL injuries are frequently work or motor vehicle related, and the liability or workers' compensation carrier may be primary. Determine acute versus chronic presentation and flag combined and multi-ligamentous injuries
2. Initial evaluation	Physician / APP	Document mechanism, functional instability, and the full ligamentous examination including the dial test and posterolateral corner assessment. Order MRI and, critically, a stress radiograph
3. Grade and pathway determination	Physician	Characterize the injury grade. For lower-grade isolated injury, initiate and date PCL-specific rehabilitation. For high-grade, combined, or avulsion injury, document the acute exception and the qualifying condition
4. Surgical decision	Physician	Name the procedure, specify isolated versus multi-ligamentous, state graft selection and rationale, and identify all concurrent procedures including posterolateral corner work. Draft the medical necessity statement anchored on the stress-radiograph measurement
5. Benefit and vendor determination	PA specialist	Verify eligibility and the reviewing entity. For Carelon-delegated members, confirm whether the September 19, 2026 PCL criterion update applies. Determine separately whether allograft tissue and implants require independent verification
6. Packet assembly	PA specialist	Fixed order: medical necessity statement leading with the stress-radiograph measurement, then the stress radiograph report, then MRI, then office notes with the instability history and posterolateral corner assessment highlighted, then either the conservative care ledger or the exception statement, then therapy notes. Criteria-mapped cover page with page references
7. Submission	PA specialist	Submit 29889 with anticipated concurrent codes for multi-ligamentous, meniscal, and cartilage work. Record the reference number, date, time, and reviewing entity
8. Pend management	PA specialist	Respond within 24 hours. Track the cited criterion. For PCL the most common curable gap is a missing objective translation measurement
9. Peer-to-peer	Physician + PA specialist	Prepare a one-page brief leading with the stress-radiograph translation in millimeters. For combined injuries, state the multi-ligamentous exception and the failure risk of leaving the posterolateral corner untreated
10. Determination and scheduling	PA specialist / Scheduling	Record the authorization number, approved code set, units, and validity window. Confirm graft and implant coverage separately. Confirm the site of service supports the complexity and neurovascular considerations
11. Post-operative reconciliation	Coding / Revenue cycle	Reconcile the operative note against the authorized code set, confirming that all concurrent ligament work performed was authorized. Initiate retrospective review where the procedure differs materially

GoHealthcare Prior Authorization Insight | Lead every PCL submission with the number

The structural advantage of PCL authorization is that the hardest element to prove - instability - can be reduced to a single objective measurement. Use it. The medical necessity statement, the packet cover page, and any peer-to-peer brief should open with the stress-radiograph translation in millimeters, not bury it on page four of an MRI report. A reviewer who sees "stress radiograph demonstrates 12 millimeters of increased posterior translation" in the first line has already seen the criterion satisfied. Everything after that is confirmation. This is the single highest-leverage habit in PCL authorization and it costs nothing once the study exists.

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Procedure Guide

Coding and Billing Overview

Operational overview only. Fee schedules, payment rates, relative value units, and detailed revenue cycle analysis are addressed in the GoHealthcare Revenue Cycle Knowledge Center.

PCL coding parallels ACL coding at the primary code and diverges principally in the frequency of multi-ligamentous reconstruction, which introduces additional separately reportable ligament codes and their bundling rules.

Seven rules that govern most PCL claims

1 29889 covers PCL repair, augmentation, and reconstruction. The descriptor does not distinguish them. The operative note and authorization narrative must describe what was performed.

2 Graft harvest from the operative knee is included in 29889. Harvest from a distant site through a separate incision may be separately reportable with the appropriate harvesting code such as 20924, with documentation of the separate incision.

3 29889 and 29888 may both be reported when both cruciate ligaments are reconstructed, since they are different ligaments. Document each ligament and apply an appropriate modifier per payer preference.

4 Do not report 29889 with an open PCL reconstruction code for the same ligament. Arthroscopic and open reconstruction of the same PCL cannot both be reported; open intra-articular ligament reconstruction is captured by 27428.

5 Collateral and posterolateral corner reconstruction may be separately reportable. 27427 (extra-articular augmentation) and the open ligament repair codes 27405, 27407, and 27409 address distinct structures and, when performed through separate work, may be reported with 29889 subject to National Correct Coding Initiative edits and payer policy.

6 29874 and 29877 are bundled into 29889 under National Correct Coding Initiative edits. Loose body removal and chondroplasty are not separately reportable with PCL reconstruction in the same compartment; for Medicare, separate-compartment chondroplasty is reported with G0289.

7 Revision PCL reconstruction has no distinct code. Report 29889 with modifier 22 and a comparative narrative, or unlisted code 29999, per payer preference. Bony avulsion fixation follows a distinct fracture-management pathway rather than soft-tissue reconstruction coding.

Documentation that supports code selection

• Whether the procedure was reconstruction, augmentation, or repair.
• Whether the reconstruction was isolated PCL or part of a multi-ligamentous procedure, with each ligament and each distinct surgical approach named.
• Graft type and source, and whether harvest was from the operative knee, a distant site, or allograft tissue.
• The technique used, since the tibial-inlay and transtibial approaches involve different operative work.
• Each compartment entered and each service performed.
• Fixation method and devices used.
• For avulsion fixation, the fracture management rather than reconstruction framing.
• Laterality in the header and in the procedure description.

Common coding and billing pitfalls

Pitfall	Consequence	Prevention
Reporting a separate graft harvest code for same-knee harvest	Denial and unbundling exposure	Harvest is included in 29889; separate reporting only for distant-site harvest through a separate incision
Reporting 29889 with 27428 for the same ligament	Denial; arthroscopic and open reconstruction of the same PCL	Coder edit at the ligament level
Failing to separately document posterolateral corner or collateral reconstruction	Lost legitimate reporting for distinct structures actually treated	Operative note names each ligament and each distinct approach; apply modifiers per payer policy
Reporting 29877 or 29874 with 29889 in the same compartment	Denial under National Correct Coding Initiative edits	Coder edit; use G0289 for Medicare separate-compartment chondroplasty only
Coding a displaced avulsion fixation as a soft-tissue reconstruction	Incorrect code selection	Avulsion fixation follows fracture-management coding, not 29889
Reporting revision as a routine 29889 with no narrative	Underpayment for materially greater work	Confirm payer preference for 29889 with modifier 22 versus 29999 and prepare the comparative narrative in advance
Omitting laterality modifier	Front-end rejection	Require RT or LT on every PCL line
Billing the health plan when a liability or workers' compensation carrier is primary	Denial and coordination-of-benefits rework	Establish the correct primary payer at intake

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Procedure Guide

Applicable CPT Codes

Descriptors are abbreviated for readability. Verify against the current CPT code set. CPT is a registered trademark of the American Medical Association.

Primary and directly related codes

Code	Descriptor (abbreviated)	Operational Note
29889	Arthroscopically aided posterior cruciate ligament repair/augmentation or reconstruction	The primary PCL code. Covers repair, augmentation, and reconstruction in a single descriptor. Includes graft harvest from the operative knee and intraoperative fluoroscopy. Revision reported with modifier 22 or unlisted 29999 per payer preference
29888	Arthroscopically aided anterior cruciate ligament repair/augmentation or reconstruction	Reportable with 29889 when both cruciates are reconstructed, as different ligaments, with an appropriate modifier
27428	Ligamentous reconstruction (augmentation), knee; intra-articular (open)	Do not report with 29889 for the same ligament. Captures open intra-articular reconstruction
27427	Ligamentous reconstruction (augmentation), knee; extra-articular	Associated with posterolateral corner and extra-articular augmentation. Reportable with 29889 for distinct structures per payer policy
27429	Ligamentous reconstruction (augmentation), knee; intra-articular (open) and extra-articular	Combined open reconstruction
27405	Repair, primary, torn ligament and/or capsule, knee; collateral	Open collateral repair; relevant in multi-ligamentous PCL injury
27407	Repair, primary, torn ligament and/or capsule, knee; cruciate	Open cruciate repair
27409	Repair, primary, torn ligament and/or capsule, knee; collateral and cruciate	Open combined repair
20924	Tendon graft, from a distance (e.g., palmaris, toe extensor, plantaris)	Separately reportable only for distant-site harvest through a separate incision, not operative-knee harvest
29870	Arthroscopy, knee, diagnostic (separate procedure)	Separate procedure designation; not reportable with 29889
29880 / 29881	Arthroscopy, knee, surgical; with meniscectomy	Separately reportable with 29889 per AAOS global service data; chondroplasty inclusive
29882 / 29883	Arthroscopy, knee, surgical; with meniscus repair	Separately reportable with 29889
29874 / 29877	Loose body removal / chondroplasty	Bundled into 29889 with a modifier indicator of 0; G0289 for Medicare separate-compartment chondroplasty
29888 + 29889 + corner/collateral codes	Multi-ligamentous reconstruction combination	The multi-ligamentous knee frequently combines cruciate reconstruction with collateral and posterolateral corner work; document each structure and approach

Bony avulsion and related fracture codes

Code	Descriptor (abbreviated)	Operational Note
27538	Closed treatment of intercondylar spine(s) and/or tuberosity fracture(s) of knee, with manipulation	Nonoperative avulsion management
27540	Open treatment of intercondylar spine(s) and/or tuberosity fracture(s) of knee, includes internal fixation, when performed	Open avulsion fixation
29850 / 29851	Arthroscopically aided treatment of intercondylar spine and/or tuberosity fracture(s), without / with fixation	The arthroscopic pathway for a PCL bony avulsion, which is fracture management rather than soft-tissue reconstruction

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Procedure Guide

HCPCS Level II Codes

Code	Descriptor (abbreviated)	Operational Note
G0289	Arthroscopy, knee, surgical, for removal of loose body, foreign body, debridement/shaving of articular cartilage at the time of other surgical knee arthroscopy in a different compartment of the same knee	Medicare-specific pathway for chondroplasty performed in a compartment other than the one addressed by the PCL reconstruction, where no other surgical service was performed in that compartment
Tissue and graft HCPCS codes	Allograft tendon tissue codes vary by product and payer recognition	Allograft is used more frequently in PCL than ACL reconstruction, especially for multi-ligamentous injury. Verify tissue coverage and the billing pathway separately, and confirm whether the tissue charge is a facility or professional responsibility

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Procedure Guide

Common ICD-10-CM Diagnosis Codes

Coder verification required. Several parent codes require additional characters for laterality and, for acute injury codes, a seventh character for encounter. Codes below reflect the fiscal year 2026 ICD-10-CM update effective October 1, 2025. Confirm full specificity against the current code set before submission.

Acute posterior cruciate ligament injury

Code Family	Description	Specificity Requirement
S83.52-	Sprain of posterior cruciate ligament of knee	S83.521 (right), S83.522 (left), S83.529 (unspecified), each requiring a seventh character: A (initial), D (subsequent), S (sequela). Example: S83.521A for an acute right PCL injury at initial encounter
S83.51-	Sprain of anterior cruciate ligament of knee	Same structure; relevant to combined bicruciate injury
S83.41- / S83.42-	Sprain of medial / lateral collateral ligament of knee	Same structure; relevant to multi-ligamentous documentation and the posterolateral corner
S83.2-	Tear of meniscus, current injury	Encodes tear type, meniscus, and laterality plus seventh character
S83.14- / S83.19-	Dislocation of proximal tibia / other dislocation of knee	Relevant to knee dislocation and multi-ligamentous presentations; seventh character required
S83.135-	Posterior dislocation of proximal end of tibia	Relevant to the knee-dislocation mechanism; laterality and seventh character required

Chronic instability and old injury

Code	Description	Operational Note
M23.62-	Other spontaneous disruption of posterior cruciate ligament of knee	M23.621 (right), M23.622 (left), M23.629 (unspecified). The primary code for chronic PCL insufficiency where the injury is not an acute current encounter
M23.61-	Other spontaneous disruption of anterior cruciate ligament of knee	Relevant to combined chronic bicruciate insufficiency
M23.5-	Chronic instability of knee	M23.5 alone is not billable. M23.50, M23.51 (right), M23.52 (left). Strongly supportive of the instability criterion
M23.8X-	Other internal derangements of knee	Requires the X placeholder plus laterality: M23.8X1, M23.8X2, M23.8X9
M24.26-	Disorder of ligament, knee	M24.261 (right), M24.262 (left). Supportive
M25.36-	Other instability, knee	M25.361 (right), M25.362 (left), M25.369 (unspecified). Supportive of the instability criterion
M25.46- / M25.56-	Effusion of knee / Pain in knee	Supportive only. Do not report knee pain as the primary diagnosis on a PCL reconstruction claim

Complications and external cause considerations

Code Family	Description	Operational Note
T84.4-	Mechanical complication of other internal orthopedic devices, implants and grafts	Seventh character required; relevant to graft or fixation failure in revision
T84.5- / T84.6-	Infection and inflammatory reaction due to internal joint prosthesis / internal fixation device	Seventh character required
V-, W-, Y- external cause codes	External cause of morbidity (motor vehicle, fall, sport)	Frequently required or expected on workers' compensation and auto liability claims to document mechanism and causation
Y99.0	Civilian activity done for income or pay	Supports the work-relatedness of an occupational PCL injury

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Procedure Guide

Applicable Modifiers

Modifier	Application	Operational Note
RT / LT	Right / left	Required on every PCL line. Omission is a leading front-end rejection
22	Increased procedural services	The principal revision PCL pathway where the payer prefers modifier 22. Also applicable to unusually complex multi-ligamentous reconstruction. Requires a comparative narrative quantifying additional operative time, tunnel and hardware management, and complexity, plus a cover letter
59	Distinct procedural service	Used to distinguish reconstruction of a different ligament and to identify distinct posterolateral corner or collateral work. Confirm payer preference regarding which line carries the modifier
XS	Separate structure	The more specific alternative where the distinction rests on a different ligament or structure. Preferred by payers that have adopted the X-series
XU	Unusual non-overlapping service	Where the second service does not overlap the usual components of the primary service
51	Multiple procedures	Applied by payer edit in many multi-ligamentous cases. Confirm whether the payer expects it appended or applies it automatically
62	Two surgeons	Applicable in complex multi-ligamentous and knee-dislocation reconstruction where two surgeons perform distinct portions. Both must document their distinct operative work
80 / 82 / AS	Assistant at surgery	Multi-ligamentous reconstruction frequently supports an assistant. Verify payer assistant-at-surgery eligibility for 29889 before the case
58	Staged or related procedure during the postoperative period	For planned staged reconstruction, such as staged treatment of a multi-ligamentous injury or staged osteotomy before reconstruction
78	Unplanned return to the operating room for a related procedure	For example, arthroscopic lysis of adhesions for arthrofibrosis, a recognized PCL reconstruction risk
79	Unrelated procedure during the postoperative period	Commonly contralateral knee surgery within the global period
73 / 74	Discontinued outpatient or ASC procedure before / after anesthesia	Facility claim modifiers
GA / GY / GZ	Advance Beneficiary Notice issued / statutorily excluded / expected denial with no notice on file	GZ results in provider liability. Issue the notice and use GA where a Medicare denial is anticipated

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Procedure Guide

Place of Service and Ambulatory Surgery Center Considerations

Setting	Code	Operational Considerations
Ambulatory surgery center	POS 24	Appropriate for isolated primary PCL reconstruction in an otherwise healthy patient. CPT 29889 is on the Medicare ASC covered procedures list; confirm current-year status and commercial ASC lists. Facility and professional claims are billed separately
Hospital outpatient department	POS 22 (type of bill 13X)	Frequently the appropriate setting for PCL reconstruction, given tibial neurovascular proximity, the frequency of combined injury, longer operative time, and anesthesia considerations. Document the clinical rationale contemporaneously where site-of-service review applies
Inpatient hospital	POS 21	Appropriate for multi-ligamentous reconstruction, knee dislocation with vascular concern, polytrauma, and complex staged reconstruction. More commonly indicated for PCL than for isolated ACL
Office	POS 11	Not applicable to PCL reconstruction

Site-of-service and operational checklist

• Confirm the authorization covers the facility as well as the professional service.
• Verify allograft tissue coverage and the billing pathway separately. PCL reconstruction uses allograft more frequently than ACL, and multi-ligamentous cases may require multiple grafts.
• Confirm fixation implant coverage where the payer applies implant review.
• Where a hospital setting is selected, document the neurovascular, complexity, or multi-ligamentous rationale before booking.
• Confirm the correct primary payer for work and motor vehicle injuries; the facility authorization must be obtained from the same carrier.
• Reconcile the anesthesia authorization requirement.
• Confirm postoperative dynamic PCL bracing coverage in advance where it will be used.

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Procedure Guide

Clinical Documentation Checklist

Consolidated pre-submission and pre-billing checklist. Reproducible as a standalone quality assurance instrument.

Before submitting the authorization request

• Procedure named explicitly, with laterality, and whether isolated PCL or multi-ligamentous
• Graft selection stated with rationale, noting allograft use where applicable
• Concurrent procedures identified, including posterolateral corner and collateral work
• Anticipated intraoperative contingency codes identified
• Stress radiograph with the numeric translation in millimeters - the single most valuable element
• MRI or CT arthrogram confirming tear, disruption, or significant laxity of the PCL, with a grade
• PCL-specific instability test documented: posterior drawer, posterior sag or tibial drop-back, or quadriceps active test
• Dial test and posterolateral corner assessment documented
• Functional limitation stated against activities of daily living, occupational demands, or deceleration and descent
• Injury grade characterized
• Either a dated conservative care ledger with reevaluation showing persistent instability, ideally with a repeat stress radiograph, or an affirmatively named acute exception with the qualifying condition
• Preoperative intra-articular injection window verified against the governing policy
• Explicit medical necessity statement leading with the translation measurement
• Correct reviewing entity and governing guideline version confirmed, including the Carelon September 2026 PCL update where applicable
• Correct primary payer established for work or motor vehicle injuries
• Allograft tissue and implant coverage verified separately

Before releasing the claim

• Operative note describes the procedure performed and whether reconstruction, augmentation, or repair
• Isolated versus multi-ligamentous clearly stated, with each ligament and approach named
• Graft type and harvest site documented; same-knee harvest not separately reported
• Posterolateral corner and collateral reconstruction separately documented where performed
• 29889 not reported with 27428 for the same ligament
• No chondroplasty or loose body code reported with 29889 in the same compartment
• Avulsion fixation coded under fracture management rather than as reconstruction where applicable
• Fluoroscopy not separately reported
• Laterality modifier present on every line
• Revision cases carry the modifier 22 comparative narrative or use the payer-preferred unlisted pathway
• Diagnosis codes at full specificity, including seventh characters on acute injury codes
• Primary diagnosis reflects PCL disruption or instability rather than knee pain
• External cause and work-relatedness codes included where required
• Procedure performed reconciled against the authorized code set

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Procedure Guide

Procedure Comparison

PCL reconstruction versus non-operative management

Dimension	Reconstruction	Structured Non-Operative Management
Best candidate	High-grade (Grade III), combined or multi-ligamentous, bony avulsion, or chronic symptomatic laxity with functional instability	Isolated Grade I or II injury without persistent functional instability
Evidence posture	Favored for high-grade and combined injury; comparative surgical evidence remains predominantly low-level	Well supported for isolated low-grade injury, with good return-to-function outcomes in many patients
Objective threshold	Stress radiograph at least 8 millimeters of increased posterior translation is a recognized objective indication	Appropriate where translation and functional instability are lower and stable
Payer posture	Approvable under criteria, especially with objective translation and functional instability	Expected first-line for isolated lower-grade injury; failure must be documented, ideally with repeat translation measurement
Rehabilitation	Demanding, protracted, PCL-specific protocol protecting posterior translation during healing	Quadriceps-focused rehabilitation, often with a dynamic PCL brace

Reconstruction versus repair

Unlike the ACL, where the governing vendor criteria carry a categorical statement that primary repair is not medically necessary, the PCL section does not single out repair. PCL repair - particularly of proximal tears and bony avulsions with modern suture techniques and augmentation - is an area of active and evolving evidence, with systematic reviews reporting acceptable failure rates but limited high-level comparative data. Because CPT 29889 does not distinguish repair from reconstruction, the operative note should describe precisely what was performed, and any repair should be documented with its specific indication, such as a proximal avulsion amenable to reattachment. Bony avulsion fixation is a distinct pathway coded under fracture management rather than under 29889.

Isolated PCL versus multi-ligamentous reconstruction

Dimension	Isolated PCL	Multi-Ligamentous
Authorization posture	Requires grade, objective instability, and either conservative failure or a named exception	The multi-ligamentous pattern itself is a named conservative-care exception and a stronger posture
Coding	29889 alone, with concurrent meniscal or cartilage codes as applicable	29889 with additional cruciate, collateral, and posterolateral corner codes for distinct structures and approaches
Setting	Ambulatory surgery center appropriate in the healthy patient	Frequently hospital outpatient or inpatient given complexity and neurovascular considerations
Failure risk driver	Missed posterolateral corner injury	Incomplete reconstruction of all injured structures; uncorrected malalignment

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Procedure Guide

Device Manufacturers and System Considerations

PCL reconstruction is implant-dependent and, more than ACL reconstruction, allograft-tissue dependent. Categories below are provided for operational awareness. Product availability, FDA clearance status, labeled indications, and coverage change frequently and must be verified for each case against the manufacturer's current instructions for use and the applicable payer policy.

Category	Representative Systems and Manufacturers	Operational Considerations
Femoral and tibial fixation	Arthrex interference and BioComposite screws, TightRope and GraftLink constructs; Smith & Nephew ENDOBUTTON and BIOSURE; Stryker VersiTomic and Citrelock; Zimmer Biomet fixation	Suspensory and interference fixation. Generally included in the facility payment. Document the fixation strategy, particularly given the demanding tibial fixation in PCL work
PCL-specific tibial fixation and inlay hardware	Screws and washers for tibial-inlay technique; graft-passing and tensioning systems from the major vendors	The tibial-inlay versus transtibial-tunnel decision affects operative work and, in the inlay technique, the surgical approach. Document the technique
Allograft tissue	Achilles tendon, tibialis anterior, bone-patellar tendon-bone, and hamstring allografts from MTF Biologics, JRF Ortho, LifeNet Health, Allosource, RTI Surgical, and other tissue banks	Used more frequently in PCL than ACL reconstruction, particularly for graft length and in multi-ligamentous injury. Requires separate coverage verification. Confirm whether the tissue charge is a facility or professional responsibility. Multi-ligamentous cases may require multiple grafts, each verified
Suture augmentation and internal bracing	Arthrex InternalBrace with FiberTape; Smith & Nephew ULTRABRAID constructs	Increasingly used in PCL repair and augmentation. Coverage is inconsistent; some payers scrutinize augmentation as an unproven adjunct. Document precisely what was augmented and why
Posterolateral corner and collateral reconstruction hardware	Anchors, screws, and buttons from the major vendors used for posterolateral corner and collateral reconstruction in combined injury	Relevant to the separately reportable corner and collateral work. Document each construct and its structure
Bony avulsion fixation	Compression screws, suture anchors, and suture-bridge constructs	Fixation strategy determines the fracture-management coding pathway. Document whether the avulsion was fixed rather than reconstructed
Postoperative dynamic PCL bracing	Dynamic PCL braces applying an anterior tibial force from DJO, Ossur, Breg, and others	Durable medical equipment authorization is separate from surgical authorization. Dynamic PCL bracing is technique-specific and its coverage should be verified before dispensing
Adjuncts designated investigational by multiple payers	Bone marrow aspirate concentrate and platelet-rich plasma augmentation of the PCL graft; synthetic ligament devices	Do not schedule without written plan-specific confirmation and a documented financial responsibility discussion

GoHealthcare Best Practice | Count the grafts before you book the room Multi-ligamentous PCL reconstruction can require two, three, or more grafts - for the PCL, an ACL, the posterolateral corner, and a collateral ligament. Each graft is a separate cost and, frequently, a separate verification.

The most common uncompensated cost on a combined PCL case is a graft that was clinically necessary but never separately authorized. Build a graft count into the preoperative plan and verify tissue coverage for every anticipated graft ahead of room booking. On a multi-ligamentous case the aggregate tissue cost can dwarf the professional fee, and discovering the gap at billing is the most expensive way to learn it.

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Procedure Guide

Common Prior Authorization Denials

Denial Reason	What It Usually Means	Prevention
No objective instability documented	The leading PCL denial. No stress radiograph and no PCL-specific instability test in the record	Obtain a stress radiograph and document the millimeter translation; document posterior drawer, sag, and quadriceps active test
Stress radiograph reported without a measurement	The study was done but the report states "increased translation" with no number	Require the numeric side-to-side difference in millimeters in the report
Reconstruction requested for a low-grade isolated injury	Grade I or II isolated injury without a rehabilitation trial	Document the grade; complete and document a PCL-specific rehabilitation trial before reconstruction for lower-grade isolated injury
Injury grade not characterized	The reviewer defaults to assuming a low-grade injury manageable non-operatively	Characterize the grade on MRI and stress radiograph
Imaging does not confirm tear, disruption, or laxity	MRI describes signal change or thickening, common in chronic PCL injury where the ligament appears in continuity	Obtain a stress radiograph, which is essential in chronic injury; surgeon interpretation where supported
Conservative management neither completed nor excepted	The case proceeds without a rehabilitation trial and without a named exception	Pathway determination at intake; two templates
Exception invoked without a qualifying condition, or using the ACL exception set	The request cites a repairable-meniscus exception that does not exist for PCL	Use only the two PCL exception branches: return-to-pivoting need or concomitant ligament injury
Posterolateral corner not assessed	The surgical plan appears incomplete for a combined injury	Document the dial test and corner assessment; name the multi-ligamentous exception where the corner is involved
Allograft tissue not authorized	Surgical authorization obtained; tissue never separately verified	Mandatory separate tissue verification for every anticipated graft ahead of booking
Wrong primary payer	The health plan denies because a liability or workers' compensation carrier is primary	Establish the correct primary payer at intake for work and motor vehicle injuries
Biologic augmentation denied	Bone marrow aspirate concentrate or platelet-rich plasma included in the request	Remove unless written coverage confirmation exists
Site of service not supported	Hospital setting requested without documented rationale	Document neurovascular, complexity, or multi-ligamentous rationale contemporaneously

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Procedure Guide

Appeal Strategies

PCL appeals turn on objectivity. The strongest PCL appeal is one that supplies a number - the stress-radiograph translation - where the original submission relied on subjective instability. In most denials the reviewer applied a reasonable grade-based threshold to a record that never established the grade or the translation.

1 Identify the exact criterion cited and request the specific criteria set in writing where the denial does not name it.

2 Lead the appeal with the stress-radiograph measurement. If a stress radiograph exists, put the millimeter translation in the first sentence. If one does not, obtain one; it is the highest-yield action available in a PCL appeal.

3 Establish the grade. Supply the injury grade from MRI and stress radiograph, and connect it to the grade-appropriate indication.

4 Document the failed rehabilitation objectively for lower-grade isolated injury, ideally with a repeat stress radiograph showing persistent or worsening translation alongside persistent functional instability.

5 Name the correct exception where the acute pathway applies - return-to-pivoting need or concomitant ligament injury. Do not invoke the ACL repairable-meniscus exception, which does not exist for PCL.

6 Establish the multi-ligamentous pattern where present, including the posterolateral corner, since combined injury is both a named exception and a stronger clinical indication.

7 Address causation in work and motor vehicle cases with an explicit mechanism and temporal statement, and confirm the correct primary payer.

8 Escalate deliberately through reconsideration, independent external review, and, for workers' compensation, the jurisdiction's utilization review appeal process.

Documentation that most often reverses a PCL denial

• A stress radiograph documenting at least 8 millimeters of increased posterior translation, with the measurement.
• A repeat stress radiograph after a rehabilitation trial showing persistent or worsening translation.
• An MRI or surgeon interpretation confirming disruption and grade.
• Documentation of the posterolateral corner assessment and any combined injury.
• For multi-ligamentous cases, documentation of each injured structure requiring reconstruction.
• An affirmative exception statement naming the qualifying condition.
• A causation statement and correct primary payer for work and motor vehicle injuries.

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Procedure Guide

GoHealthcare Clinical Insights

Documentation quality

• Make the stress radiograph a standing order for any patient in whom PCL reconstruction is genuinely being considered. It is the single most consequential study in the pathway and it is missing from most records.
• Require the numeric translation in millimeters in the stress radiograph report, not a qualitative description.
• Make the dial test and posterolateral corner assessment a required element of every PCL examination.
• Document the injury grade explicitly, since grade drives the entire pathway for isolated injury.
• Describe functional instability specifically - deceleration, stair and ramp descent, posterior shifting - rather than as generic knee pain.

Workflow improvement

• Triage PCL referrals for payer first: work and motor vehicle injuries frequently have a liability or workers' compensation primary payer.
• Flag combined and multi-ligamentous injuries at intake; they require additional codes, additional grafts, and a different site of service.
• Build a graft count and tissue verification step ahead of room booking.
• Maintain a plan-level matrix capturing the reviewing entity, the stress-radiograph threshold, the conservative care exceptions, and - for Carelon - the September 2026 PCL criterion update.
• Run quarterly guideline surveillance. The Carelon PCL update is the key 2026 development to track.

Prior authorization success

• Lead every submission with the stress-radiograph translation measurement.
• Submit 29889 with anticipated concurrent codes for multi-ligamentous, meniscal, and cartilage work.
• Where the acute exception applies, name the correct PCL branch and avoid the ACL exception set.
• Document the posterolateral corner every time; its assessment signals a complete evaluation.
• Track pends by cited criterion. For PCL the pattern is dominated by missing objective translation.

Denial prevention and communication

• Give surgeons a one-page PCL criteria card emphasizing the stress-radiograph threshold, the grade-dependent pathway, and the two exception branches.
• Report the top cited criteria to the clinical team monthly.
• Escalate suture augmentation and biologic adjunct questions to a written-confirmation track before booking.
• Establish the correct primary payer early for work and motor vehicle injuries to avoid coordination-of-benefits rework.

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Procedure Guide

GoHealthcare Leadership Perspective

An objective threshold most practices leave on the table

PCL reconstruction is the one knee procedure where the governing criteria hand the practice a quantitative, objective, examiner-independent path to satisfying the hardest element of the case. The stress-radiograph translation threshold is a genuine operational advantage, and most practices do not use it because obtaining a stress radiograph is not part of their standard PCL workup. Building that single study into the pathway is the highest-return operational change available in this service line.

A different payer mix demands a different workflow

Because PCL injury is trauma-driven, the payer mix skews toward workers' compensation and auto liability far more than the ACL. These carriers operate on different criteria, different timelines, and different appeal mechanics, and they frequently take precedence over the health plan. An organization that routes PCL cases through the same workflow it uses for elective sports medicine will mishandle the coordination of benefits and the causation documentation that these cases require. PCL warrants a workflow that establishes the correct primary payer at intake.

The posterolateral corner is a governance issue

The most consequential clinical failure in PCL surgery is an unrecognized posterolateral corner injury, which is a leading cause of reconstruction failure. This is also an authorization and documentation issue: a record that does not show the corner was assessed reads as an incomplete evaluation, and a combined injury that is authorized as an isolated PCL reconstruction sets up both a clinical failure and a post-service coding problem. Leadership should treat documented posterolateral corner assessment as a required element of every PCL evaluation, not a discretionary one.

Revenue cycle implications

• Multi-ligamentous reconstruction is where PCL revenue is both earned and lost. The separately reportable collateral and posterolateral corner work is legitimate revenue that is frequently under-documented, and the multiple grafts are cost exposure that is frequently under-verified.
• Allograft dependence is higher than for the ACL. Tissue verification discipline is a larger margin issue.
• Revision PCL has no distinct code; default routine 29889 reporting underrecovers on the most complex cases.
• Coordination of benefits with liability and workers' compensation carriers is a recurring source of rework that is preventable with correct primary-payer determination at intake.

Watching the Carelon change

The Carelon Joint Surgery guideline's announced September 19, 2026 addition of a PCL-specific criterion for persistent instability despite conservative treatment is the most important payer development in this service line for 2026. Because most Anthem and affiliated Blue plans delegate to Carelon, this change reaches a large share of the commercially insured population. Organizations should confirm the exact language and effective date and update their PCL authorization templates accordingly.

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Procedure Guide

GoHealthcare Prior Authorization Insight

Operational expertise not readily found in payer policies or clinical guidelines.

Eight things experienced PCL authorization specialists know

1 The stress radiograph wins the case. The 8-millimeter threshold is the only quantitative objective pathway in knee ligament authorization. If reconstruction is being considered, get the study.

2 Require the number in the report. A stress radiograph that says "increased translation" without a measurement does not clearly satisfy the threshold. Push for the millimeter value.

3 Grade is not optional for PCL. Unlike a complete ACL tear, a PCL tear's grade determines whether surgery is even on the table for an isolated injury. Document it.

4 PCL has one fewer exception than ACL. There is no repairable-meniscus waiver. Using the ACL exception template on a PCL case invites a denial for citing a criterion that does not exist.

5 Assess the posterolateral corner every time. It changes the surgical plan, the coding, and the exception posture, and missing it causes reconstruction failure.

6 Establish the primary payer first. PCL injuries are disproportionately work and motor vehicle related; the health plan may not be primary.

7 Count and verify every graft. Multi-ligamentous cases need multiple grafts, each a separate cost and verification. The most common uncompensated PCL cost is an unverified graft.

8 Watch the Carelon September 2026 PCL criterion. It reaches most Anthem and Blue members and it specifically addresses PCL instability. Verify it before every Carelon-delegated PCL packet.

Internal quality assurance recommendations

• Audit ten consecutive PCL charts quarterly against the documentation checklist, reporting pass rate by element. Report the stress-radiograph-with-measurement rate separately; it is the most predictive element.
• Maintain a denial register recording payer, reviewing entity, guideline and section cited, outcome, and days to resolution.
• Audit the primary-payer determination for work and motor vehicle injuries; misdirected submissions are a recurring, preventable rework source.
• Require pre-bill reconciliation of the operative note against the authorized code set on every multi-ligamentous PCL case, confirming all concurrent ligament work was authorized.
• Track allograft verification completion per anticipated graft as a discrete scheduling gate.

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Procedure Guide

GoHealthcare Case Study

Original educational scenario. No actual patient or organization is depicted.

Clinical scenario

A 31-year-old warehouse worker was struck by a pallet jack that drove his flexed right knee backward against a loading dock edge. He was evaluated in an emergency department, where radiographs excluded fracture, and was referred to an orthopedic practice ten days later through his employer's workers' compensation carrier. He reports the knee feels unstable descending the warehouse ramp and when carrying loads, with a sensation that the shin slides backward. Examination demonstrates a positive posterior drawer, a positive posterior sag, and a positive quadriceps active test. The dial test showed no asymmetry, suggesting an isolated PCL injury. MRI was reported as "posterior cruciate ligament sprain with increased signal; ligament appears in continuity."

Documentation challenges

• The MRI described signal change with the ligament in continuity - a common and genuinely ambiguous finding - and did not confirm disruption or grade the injury.
• No stress radiograph had been obtained, so there was no objective measurement of posterior translation.
• The functional instability was documented, but the injury grade was not characterized anywhere in the record.
• The initial authorization was submitted to the patient's group health plan rather than the workers' compensation carrier.

Prior authorization barriers

The submission was returned by the group health plan as a coordination-of-benefits issue, since the injury was work-related. Resubmitted to the workers' compensation carrier's utilization review vendor, it was denied on the grounds that the MRI did not confirm PCL disruption and no objective instability measurement was provided, with the injury appearing to be a lower-grade sprain that should be managed non-operatively.

Payer considerations

The governing criteria required imaging showing tear, disruption, or significant laxity of the PCL, plus an objective instability finding - satisfiable by stress radiographs showing at least 8 millimeters of increased posterior translation or a positive PCL-specific examination test. The examination findings were arguably present but examiner-dependent, and the MRI was ambiguous. The case needed an objective anchor.

Operational workflow and resolution strategy

1 The authorization specialist first corrected the primary payer, routing the case to the workers' compensation carrier and documenting the mechanism and work-relatedness.

2 The surgeon ordered kneeling stress radiographs, which demonstrated 13 millimeters of increased posterior translation compared with the contralateral knee - well above the objective threshold and consistent with a high-grade injury.

3 The MRI was re-reviewed with the practice's musculoskeletal radiologist, who issued an addendum characterizing a high-grade PCL injury with an anterior tibial bone contusion consistent with an acute posteriorly directed force.

4 The surgeon documented the injury grade explicitly and reconfirmed the negative dial test, establishing an isolated high-grade PCL injury.

5 The functional instability was documented specifically against the patient's occupational demands: instability descending the warehouse ramp and when carrying loads.

6 The resubmission led with the stress-radiograph measurement in the first sentence of the medical necessity statement, followed by the grade, the examination findings, and the occupational functional limitation, with a causation statement for the workers' compensation context.

Outcome

The resubmission was approved by the workers' compensation utilization review vendor. Arthroscopically aided posterior cruciate ligament reconstruction was performed at a hospital outpatient department, selected for the tibial neurovascular considerations and documented accordingly. Allograft tissue coverage was verified separately in advance. The operative note documented an isolated single-bundle PCL reconstruction with allograft, the fixation constructs, and confirmation that no posterolateral corner or collateral work was required. The claim was submitted with 29889 and the laterality modifier and paid on first submission.

Lessons learned

• The stress radiograph converted an ambiguous MRI and examiner-dependent findings into a single decisive number. It should have been obtained at the first visit.
• The MRI "in continuity" finding is common in PCL injury and does not exclude functional insufficiency; the stress radiograph is the resolving study.
• Grade characterization was missing and, once supplied, established the surgical indication.
• The primary-payer error cost a full submission cycle and was entirely preventable at intake.
• Documenting the negative dial test was as important as documenting positive findings, because it established the injury as isolated and the single-ligament plan as complete.
• Leading the resubmission with the translation measurement put the criterion in front of the reviewer immediately.

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Procedure Guide

GoHealthcare Best Practices

Domain	Practice
Stress radiography	Standing order for any patient in whom PCL reconstruction is genuinely considered; numeric translation in millimeters required in the report
Template design	Mandatory fields for injury grade, posterior drawer and sag, quadriceps active test, dial test, and posterolateral corner assessment
Payer triage	Primary-payer determination at intake for work and motor vehicle injuries; the health plan is frequently not primary
Grade documentation	Injury grade characterized on MRI and stress radiograph in every case
Posterolateral corner	Dial test and corner assessment documented every time; multi-ligamentous exception named where the corner is involved
Two authorization templates	Acute exception template (two PCL branches only) and completed conservative care template with repeat translation measurement
Graft verification	Graft count built into the preoperative plan; tissue coverage verified for every anticipated graft ahead of booking
Submission standard	Medical necessity statement and cover page lead with the stress-radiograph translation
Site of service	Hospital setting rationale documented for complex, combined, or neurovascular-proximate cases
Operative note standard	Isolated versus multi-ligamentous stated; each ligament and approach named; technique documented; graft source recorded
Pre-bill reconciliation	Every multi-ligamentous case reconciled against the authorized set before claim release
Guideline surveillance	Quarterly review with specific attention to the Carelon September 2026 PCL criterion update

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Procedure Guide

Common Mistakes

Clinical documentation

• Not obtaining a stress radiograph when reconstruction is being considered.
• Accepting a stress radiograph report without a numeric measurement.
• Failing to characterize the injury grade.
• Accepting an MRI "in continuity" finding as excluding functional insufficiency.
• Not assessing or documenting the posterolateral corner.
• Describing pain without describing functional instability.
• Requesting reconstruction for a low-grade isolated injury without a rehabilitation trial.

Authorization

• Submitting to the wrong primary payer for a work or motor vehicle injury.
• Using the ACL exception template, including the nonexistent repairable-meniscus branch.
• Burying the stress-radiograph measurement instead of leading with it.
• Submitting 29889 alone when concurrent ligament work is planned.
• Failing to verify allograft tissue for every anticipated graft.
• Overlooking the Carelon September 2026 PCL criterion for a Carelon-delegated member.
• Requesting biologic augmentation without written confirmation.

Coding and billing

• Reporting a separate graft harvest code for operative-knee harvest.
• Reporting 29889 with 27428 for the same ligament.
• Failing to separately document and report legitimate posterolateral corner and collateral reconstruction.
• Reporting 29877 or 29874 with 29889 in the same compartment.
• Coding a displaced avulsion fixation as a soft-tissue reconstruction.
• Reporting revision as a routine 29889 with no modifier 22 narrative or unlisted alternative.
• Omitting the laterality modifier.
• Using non-billable parent codes such as M23.5 without required additional characters.
• Omitting the seventh character on S83 acute injury codes.
• Reporting knee pain as the primary diagnosis.

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Procedure Guide

Pearls and Pitfalls

Pearls	Pitfalls
Obtain a stress radiograph and lead every submission with the millimeter translation	Relying on examiner-dependent posterior drawer and sag alone
Require the numeric translation value in the report	Accepting "increased posterior translation" without a measurement
Characterize the injury grade in every case	Leaving grade undocumented and inviting a low-grade assumption
Treat an MRI 'in continuity' finding as a prompt for stress radiography	Accepting it as excluding functional insufficiency
Assess and document the posterolateral corner every time	Missing a combined injury and setting up reconstruction failure
Use only the two PCL conservative-care exceptions	Carrying the ACL repairable-meniscus exception across to PCL
Establish the correct primary payer at intake	Submitting a work injury to the group health plan
Count and verify every graft before booking	Discovering an unauthorized graft at billing
Document the negative dial test to establish an isolated injury	Documenting only positive findings and leaving the plan's completeness unclear
Verify the Carelon September 2026 PCL criterion for delegated members	Building the packet against superseded Carelon criteria
Select and document the site of service for neurovascular and complexity reasons	Defaulting a complex combined case to an ambulatory surgery center
Confirm the revision reporting pathway before submission	Reporting a complex revision as a routine 29889

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Procedure Guide

Frequently Asked Questions

Q1. Is there a Medicare National Coverage Determination for PCL reconstruction?

No. No NCD addresses PCL reconstruction. NCD 150.9 governs only arthroscopic lavage and debridement for the osteoarthritic knee and does not reach ligament reconstruction. Coverage is at Medicare Administrative Contractor discretion under the general reasonable and necessary standard.

Q2. Is PCL reconstruction subject to the CMS WISeR Model?

No. PCL reconstruction is not a WISeR selected service. Only NCD 150.9 arthroscopic lavage and debridement for the osteoarthritic knee falls within the model from the knee code set. Given the trauma-driven, younger-patient profile of PCL injury, the model is rarely relevant to this procedure.

Q3. What is the single most important piece of evidence in a PCL authorization?

A stress radiograph documenting the numeric side-to-side difference in posterior tibial translation. Under eviCore CMM-312, stress radiographs showing at least 8 millimeters of increased posterior translation independently satisfy the objective instability criterion. No other knee procedure offers a comparable quantitative objective pathway.

Q4. What objective findings does eviCore accept for PCL reconstruction?

Imaging must show tear, disruption, or significant laxity of the PCL, plus any one of: stress radiographs showing at least 8 millimeters of increased posterior translation, a positive posterior drawer, a positive posterior sag or tibial drop-back, or a positive quadriceps active test, together with functional limitation and three months of non-surgical management or a documented exception.

Q5. How is the conservative-care exception different from the ACL?

PCL has one fewer exception branch. The eviCore acute-setting waiver for PCL applies where instability is documented together with either a return-to-pivoting need or concomitant ligament injury. It does not include the repairable-meniscus branch that applies to the ACL. Do not carry the ACL exception template across to a PCL case.

Q6. Do all PCL injuries need surgery?

No. Isolated low-grade (Grade I and many Grade II) PCL injuries are frequently managed non-operatively with good outcomes, particularly with quadriceps-focused rehabilitation and dynamic PCL bracing. Reconstruction is favored for high-grade isolated injury with functional instability, combined and multi-ligamentous injury, bony avulsion, and chronic symptomatic laxity.

Q7. Why does the injury grade matter so much for PCL but not for ACL?

Because a complete ACL tear generally does not heal and reconstruction is the standard for the unstable knee, whereas a lower-grade isolated PCL injury is legitimately a non-operative condition. The grade determines whether surgery is even indicated for an isolated PCL injury, so the reviewer expects it to be documented.

Q8. What if the MRI shows the PCL in continuity?

This is common in chronic PCL injury and does not exclude functional insufficiency. The resolving study is the stress radiograph. An MRI 'in continuity' finding should prompt stress radiography rather than being accepted as evidence against reconstruction.

Q9. Why is the posterolateral corner so important?

An unrecognized posterolateral corner injury is a leading cause of PCL reconstruction failure. Its presence also converts an isolated PCL case into a multi-ligamentous case, which is a named conservative-care exception and a stronger authorization posture. Document the dial test at 30 and 90 degrees and the corner assessment in every PCL evaluation.

Q10. Is PCL repair covered, or only reconstruction?

Unlike the ACL section, eviCore CMM-312 does not carry a categorical statement that PCL repair is not medically necessary. The PCL section addresses reconstruction and applies the general not-medically-necessary-for-any-other-indication language. Because CPT 29889 covers repair, augmentation, and reconstruction alike, document precisely what was performed and its indication. Bony avulsion fixation follows a distinct fracture-management pathway.

Q11. How is a PCL bony avulsion handled?

A displaced bony avulsion of the PCL insertion is frequently fixed acutely and is coded under fracture management - for example the intercondylar spine and tuberosity fracture codes, including the arthroscopically aided codes - rather than as a soft-tissue reconstruction under 29889. Document whether the avulsion was fixed rather than reconstructed.

Q12. Is graft harvest separately billable?

Not for harvest from the operative knee, which is included in 29889. Harvest from a distant site through a separate incision may be separately reportable with the appropriate harvesting code such as 20924, with documentation of the separate incision.

Q13. Can both cruciates be reconstructed and reported together?

Yes. 29888 and 29889 are different ligaments and both may be reported when both cruciates are reconstructed, with an appropriate modifier and documentation of each ligament. This is common in the multi-ligamentous knee.

Q14. Can posterolateral corner and collateral reconstruction be reported with 29889?

Frequently yes, for distinct structures treated through distinct work. The extra-articular augmentation code 27427 and the open ligament repair codes address different structures than the PCL and may be reported with 29889 subject to National Correct Coding Initiative edits and payer policy. Document each structure and approach.

Q15. Why does PCL use allograft more often than ACL?

Graft length requirements and the frequency of multi-ligamentous injury make allograft attractive in PCL reconstruction. This raises the importance of separate tissue verification and increases the number of grafts - and separate costs - on combined cases.

Q16. Does allograft tissue need separate authorization?

Frequently yes, and on multi-ligamentous PCL cases every anticipated graft should be verified separately. The aggregate tissue cost on a combined case can exceed the professional fee, and an unverified graft is the most common uncompensated cost.

Q17. Which stress-radiograph technique should be used?

Kneeling stress views, Telos device stress views, and gravity stress views are all accepted. What matters for authorization is that the report states the numeric side-to-side difference in posterior translation in millimeters.

Q18. How should a lower-grade isolated injury be documented for approval?

Complete a PCL-specific rehabilitation trial and document its failure objectively - ideally with a repeat stress radiograph showing persistent or worsening translation alongside persistent functional instability. A patient who completes rehabilitation and still measures 8 millimeters or more of increased translation has objectively failed non-operative management.

Q19. Why is the payer mix different for PCL?

PCL injury is trauma-driven - dashboard injuries, work injuries, and athletic hyperflexion - so workers' compensation and auto liability are a much larger share of the payer mix than for the ACL. Establish the correct primary payer at intake, since the health plan is frequently not primary.

Q20. What is the Carelon September 2026 PCL update?

The Carelon Joint Surgery guideline's annual-review cycle includes a criterion addressing persistent instability despite conservative treatment on the posterior cruciate ligament, announced effective September 19, 2026. Because most Anthem and affiliated Blue plans delegate to Carelon, this reaches a large share of commercial members. Verify the exact language and effective date before assembling a Carelon-delegated PCL packet.

Q21. Should intraoperative fluoroscopy be reported?

No. Fluoroscopy used to confirm tunnel placement is integral to the arthroscopic procedure and is not separately reportable under National Correct Coding Initiative Chapter IV policy.

Q22. Where should PCL reconstruction be performed?

Isolated primary PCL reconstruction in a healthy patient can be performed in an ambulatory surgery center. Given tibial neurovascular proximity, the frequency of combined injury, and longer operative time, a hospital outpatient or inpatient setting is frequently appropriate, and the rationale should be documented where site-of-service review applies.

Q23. How is revision PCL reconstruction coded?

There is no distinct CPT code. Revision is reported with 29889 appended with modifier 22 and a comparative narrative, or with unlisted code 29999, per payer preference. Confirm the preference before submission.

Q24. How should the medical necessity statement be structured?

Lead with the stress-radiograph translation in millimeters, then the injury grade, then the examination findings and functional limitation, then the conservative-care status or exception. Putting the objective measurement first puts the criterion in front of the reviewer immediately.

Q25. Which ICD-10-CM code should be primary?

For an acute presentation, S83.521A or S83.522A for right or left PCL sprain at the initial encounter. For chronic insufficiency, M23.621 or M23.622 for spontaneous disruption of the posterior cruciate ligament, commonly supported by M23.51 or M23.52 for chronic instability. Do not report a knee pain code as the primary diagnosis. Include external cause and work-relatedness codes where required.

Q26. What is the fastest way to improve PCL first-pass approval rates?

Make stress radiography a standing part of the PCL workup and require the numeric millimeter translation in the report, then lead every submission with that measurement. This single change addresses the most common PCL denial - absence of objective instability - more effectively than any other intervention.

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Procedure Guide

Key Takeaways

• The stress radiograph is the decisive study. Under eviCore CMM-312, at least 8 millimeters of increased posterior translation independently satisfies the objective instability criterion - the only quantitative objective pathway in knee ligament authorization. Lead every submission with the measurement.
• Grade drives the pathway. Isolated low-grade PCL injury is legitimately a non-operative condition, so the injury grade must be documented in a way it need not be for a complete ACL tear.
• PCL has one fewer conservative-care exception than ACL. There is no repairable-meniscus branch. Use only the return-to-pivoting and concomitant-ligament exceptions.
• The posterolateral corner is the hidden variable. Assess and document it every time; a missed corner injury is a leading cause of reconstruction failure and changes the coding and exception posture.
• No NCD governs PCL reconstruction, and it is not a WISeR selected service.
• The payer mix is trauma-driven. Workers' compensation and auto liability are a large share of PCL volume; establish the correct primary payer at intake.
• Allograft dependence is higher than for ACL. Count and verify every graft on multi-ligamentous cases before booking.
• An MRI 'in continuity' finding does not exclude functional insufficiency in chronic PCL injury; the stress radiograph resolves it.
• Graft harvest from the operative knee is included in 29889; both cruciates and the corner and collateral structures may be separately reportable for distinct work.
• Revision PCL has no distinct code; confirm the modifier 22 versus unlisted preference before submission.
• Watch the Carelon September 19, 2026 PCL criterion update, which reaches most Anthem and affiliated Blue members and specifically addresses PCL instability.
• Most PCL denials are curable - a missing objective measurement, an uncharacterized grade, or a wrong primary payer - not clinical disagreements.

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Procedure Guide

Future Outlook

Objective laxity measurement is becoming the standard

The eviCore quantitative stress-radiograph threshold reflects a broader movement toward objective, reproducible laxity measurement in ligament authorization. Expect the stress-radiograph pathway to be reinforced and potentially adopted more widely, and expect reviewers to increasingly require a numeric translation value rather than a qualitative description. Practices that build objective measurement into their standard workup will be ahead of this curve.

Carelon's PCL criterion signals payer-specific attention

The addition of a PCL-specific instability criterion in the Carelon September 2026 update is notable because PCL has historically been addressed generically within knee ligament policy. It suggests payers are developing more granular, ligament-specific criteria, which will reward practices that document PCL injury with ligament-specific precision rather than generic knee-ligament language.

Evolving evidence on PCL repair and augmentation

Modern PCL repair and augmentation techniques, particularly for proximal tears and bony avulsions with suture augmentation and internal bracing, are an area of active investigation. As comparative evidence matures, expect payer criteria to address PCL repair more explicitly - potentially following the ACL pattern of distinguishing repair from reconstruction, or potentially recognizing specific repairable injury patterns. Practices adopting these techniques should track the evidence and the criteria in parallel.

Combined injury and posterolateral corner recognition

Growing recognition of the posterolateral corner's role in PCL reconstruction outcomes will continue to raise the documentation and reconstruction standard for combined injury. Expect increasing payer and quality attention to whether the corner was assessed and addressed, and expect combined reconstruction to be scrutinized for completeness rather than for necessity.

Workers' compensation and objective criteria

Because PCL injury is disproportionately work-related, and because workers' compensation systems increasingly rely on objective, evidence-based treatment guidelines, the objective stress-radiograph threshold aligns well with the direction of workers' compensation utilization review. Practices that document objective laxity will find their PCL cases translate well across both commercial and workers' compensation criteria.

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Procedure Guide

References

CMS, Medicare, and federal sources

1 Centers for Medicare & Medicaid Services. Medicare Coverage Database. https://www.cms.gov/medicare-coverage-database

2 Centers for Medicare & Medicaid Services. National Coverage Determination (NCD) 150.9 (cited for scope boundary only). https://www.cms.gov/medicare-coverage-database

3 Centers for Medicare & Medicaid Services Innovation Center. Wasteful and Inappropriate Service Reduction (WISeR) Model. https://www.cms.gov/priorities/innovation/innovation-models/wiser

4 Centers for Medicare & Medicaid Services. National Correct Coding Initiative Policy Manual for Medicare Services, Chapter IV. https://www.cms.gov/medicare/coding-billing/national-correct-coding-initiative-ncci-edits

5 Centers for Medicare & Medicaid Services. Ambulatory Surgical Center Payment and Covered Procedures List. https://www.cms.gov/medicare/payment/prospective-payment-systems/ambulatory-surgical-center-asc

Utilization management vendor guidelines

1 eviCore by Evernorth. CMM-312: Knee Surgery - Arthroscopic and Open Procedures, Comprehensive Musculoskeletal Management Guidelines V2.0.2025, effective March 7, 2026 (Posterior Cruciate Ligament Reconstruction section). https://www.evicore.com/provider/clinical-guidelines

2 Carelon Medical Benefits Management. Clinical Appropriateness Guidelines: Joint Surgery, Doc ID MSK02-1125.1, effective November 15, 2025, with annual-review updates effective September 19, 2026. https://guidelines.carelonmedicalbenefitsmanagement.com/joint-surgery-2025-11-15/

3 Carelon Medical Benefits Management. Current Musculoskeletal Guidelines and upcoming guideline changes. https://guidelines.carelonmedicalbenefitsmanagement.com/current-musculoskeletal-guidelines/

4 Evolent Health / National Imaging Associates. Clinical Guideline: Knee Arthroscopy, NIA_CG_316. https://www.evolent.com/

5 Cohere Health. https://www.coherehealth.com/

6 TurningPoint Healthcare Solutions. https://www.turningpoint-healthcare.com/

Commercial payer policies

1 Aetna. Clinical Policy Bulletin 0364: Allograft Transplants of the Extremities. https://www.aetna.com/cpb/medical/data/300_399/0364.html

2 UnitedHealthcare. Surgery of the Knee - Commercial and Individual Exchange Medical Policy, effective June 1, 2026. https://www.uhcprovider.com/content/dam/provider/docs/public/policies/comm-medical-drug/surgery-knee.pdf

3 UnitedHealthcare. Joint Procedures - Medicare Advantage Medical Policy. https://www.uhcprovider.com/content/dam/provider/docs/public/policies/medadv-mp/joint-procedures.pdf

4 Cigna Healthcare. Medical Coverage Policies - Musculoskeletal. https://www.cigna.com/health-care-providers/coverage-and-claims/policies

5 Humana. Medical Coverage Policies. https://provider.humana.com/coverage-claims/medical-resources

6 Elevance Health / Anthem. Medical Policies and Clinical Utilization Management Guidelines. https://www.anthem.com/provider/policies/

Professional societies and clinical practice guidelines

1 American Academy of Orthopaedic Surgeons. Clinical Practice Guidelines and quality programs. https://www.aaos.org/quality/

2 American Orthopaedic Society for Sports Medicine. https://www.sportsmed.org/

3 Arthroscopy Association of North America. https://www.aana.org/

4 American Medical Association. CPT Editorial Panel and CPT Assistant. https://www.ama-assn.org/practice-management/cpt

5 AAPC. Orthopedic coding guidance for knee ligament reconstruction. https://www.aapc.com/

Peer-reviewed literature

1 Pache S, Aman ZS, Kennedy M, et al. Posterior cruciate ligament: current concepts review. Arch Bone Jt Surg. 2018;6(1):8-18. https://pubmed.ncbi.nlm.nih.gov/29450194/

2 Winkler PW, Zsidai B, Wagala NN, et al. Evolving evidence in the treatment of primary and recurrent posterior cruciate ligament injuries, part 1: anatomy, biomechanics and diagnostics. Knee Surg Sports Traumatol Arthrosc. 2021;29(3):672-681. https://link.springer.com/article/10.1007/s00167-020-06357-y

3 Winkler PW, Zsidai B, Wagala NN, et al. Evolving evidence in the treatment of primary and recurrent posterior cruciate ligament injuries, part 2: surgical techniques, outcomes and rehabilitation. Knee Surg Sports Traumatol Arthrosc. 2021;29(3):682-693. https://link.springer.com/article/10.1007/s00167-020-06337-2

4 Vandenrijt J, Callenaere S, Van der Auwera D, et al. Posterior cruciate ligament repair seems safe with low failure rates but more high level evidence is needed: a systematic review. J Exp Orthop. 2023;10(1):45. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10133428/

5 Jackman T, LaPrade RF, Pontinen T, Lender PA. Intraobserver and interobserver reliability of the kneeling technique of stress radiography for the evaluation of posterior knee laxity. Am J Sports Med. 2008;36(8):1571-1576. https://journals.sagepub.com/home/ajs

6 Sekiya JK, Whiddon DR, Zehms CT, Miller MD. A clinically relevant assessment of posterior cruciate ligament and posterolateral corner injuries: evaluation of isolated and combined deficiency. J Bone Joint Surg Am. 2008;90(8):1621-1627. https://journals.lww.com/jbjsjournal/

7 LaPrade CM, Civitarese DM, Rasmussen MT, LaPrade RF. Emerging updates on the posterior cruciate ligament: a review of the current literature. Am J Sports Med. 2015;43(12):3077-3092. https://journals.sagepub.com/home/ajs

8 Montgomery SR, Johnson JS, McAllister DR, Petrigliano FA. Surgical management of PCL injuries: indications, techniques, and outcomes. Curr Rev Musculoskelet Med. 2013;6(2):115-123. https://link.springer.com/

9 Pierce CM, O'Brien L, Griffin LW, Laprade RF. Posterior cruciate ligament tears: functional and postoperative rehabilitation. Knee Surg Sports Traumatol Arthrosc. 2013;21(5):1071-1084. https://link.springer.com/

10 Wijdicks CA, Kennedy NI, Goldsmith MT, et al. Kinematic analysis of the posterior cruciate ligament, part 2: a comparison of anatomic single- versus double-bundle reconstruction. Am J Sports Med. 2013;41(12):2839-2848. https://journals.sagepub.com/home/ajs

11 Spiridonov SI, Slinkard NJ, LaPrade RF. Isolated and combined grade-III posterior cruciate ligament tears treated with double-bundle reconstruction. J Bone Joint Surg Am. 2011;93(19):1773-1780. https://journals.lww.com/jbjsjournal/

12 Chahla J, Moatshe G, Dean CS, LaPrade RF. Posterolateral corner of the knee: current concepts. Arch Bone Jt Surg. 2016;4(2):97-103. https://pubmed.ncbi.nlm.nih.gov/27200384/

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Procedure Guide

Reading Recommendations

• For surgeons and advanced practice providers: the two-part evidence-based update on primary and recurrent PCL injuries in Knee Surgery, Sports Traumatology, Arthroscopy, which covers anatomy, diagnostics, technique, and rehabilitation.
• For prior authorization specialists: the PCL reconstruction section of eviCore CMM-312, read alongside the ACL section, so the differences - the stress-radiograph threshold and the narrower exception set - are clear.
• For revenue cycle leaders: Chapter IV of the National Correct Coding Initiative Policy Manual and AAOS global service data on the 29889 package and multi-ligamentous reporting.
• For teams handling combined injury: the posterolateral corner current-concepts literature, which explains why corner assessment is central to PCL outcomes.
• For workers' compensation teams: the applicable state treatment guideline for knee ligament injury and the objective-criteria basis of workers' compensation utilization review.
• For those tracking payer change: the Carelon Joint Surgery guideline and its September 2026 update announcement.

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Procedure Guide

Related GoHealthcare Resources

Available through the GoHealthcare Practice Solutions Knowledge Center at https://www.gohealthcarellc.com.

Resource	Relationship to This Guide
ACL Reconstruction Procedure Guide	Companion cruciate guide; contrasts the ACL exception set and repair posture with the PCL
Knee Arthroscopy Procedure Guide	Diagnostic arthroscopy, debridement, meniscectomy, synovectomy, NCD 150.9, and the WISeR Model in full
Meniscus Repair Procedure Guide	Concurrent meniscal procedures in the multi-ligamentous knee
Knee Multi-Ligamentous and Dislocation Operations Reference	Combined reconstruction coding, posterolateral corner and collateral reconstruction, and staged management
Partial and Total Knee Arthroplasty Procedure Guides	The arthritic knee outside the ligament reconstruction pathway
GoHealthcare Revenue Cycle Knowledge Center	Fee schedules, payment methodologies, relative value units, medically unlikely edit values, and tissue and implant cost analysis
GoHealthcare Workers' Compensation MSK Operations Guide	Causation documentation, primary-payer determination, and jurisdiction-specific utilization review workflows - central to PCL
GoHealthcare Prior Authorization Playbook	Cross-procedure workflow standards, criteria-mapped submission templates, and denial analytics frameworks
GoHealthcare Emerging Technology Coverage Framework	Standing process for augmentation devices and biologics awaiting payer criteria updates
GoHealthcare AI Governance Framework	Governance standards for AI-assisted documentation and authorization tooling, including payer content licensing considerations

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Procedure Guide

Recommended Downloads

Planned resource recommendations. Availability should be confirmed before publication or linked distribution.

• PCL Reconstruction Prior Authorization Checklist (one page, print-ready)
• Stress Radiograph Documentation Aid with millimeter-translation field
• PCL Acute Exception Authorization Template (two PCL branches)
• Completed Conservative Care Template with repeat-translation measurement
• Knee Ligament Injury Documentation Template with dial test and posterolateral corner fields
• Criteria-Mapped Submission Cover Page Template leading with the translation measurement
• PCL Payer Matrix Worksheet (plan-level, including the Carelon September 2026 update)
• Multi-Ligamentous Graft Count and Tissue Verification Worksheet
• Primary-Payer Determination Aid for work and motor vehicle injuries
• Operative Note Standard for PCL and Multi-Ligamentous Reconstruction
• Revision PCL Modifier 22 Comparative Narrative Template
• Appeal Letter Framework for PCL Denials
• Pre-Bill Reconciliation Worksheet

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Procedure Guide

Educational Disclaimer, Terms of Use, and Limitations

Please read in full. This section governs the use of this document.

Purpose and scope

This document is published by GoHealthcare Practice Solutions as part of the GoHealthcare MSK Specialty Procedure Library and is intended solely for educational and operational reference purposes for healthcare professionals. It is designed to help clinical, administrative, prior authorization, utilization management, coding, and revenue cycle personnel understand the operational, documentation, payer policy, and reimbursement environment surrounding this procedure. It is not clinical advice, medical advice, legal advice, coding advice, billing advice, reimbursement advice, compliance advice, or financial advice, and it must not be used as a substitute for any of them.

Not a clinical or procedural training resource

This document is not a procedural technique manual, a surgical training resource, a physician training guide, or a substitute for specialty society procedural manuals, clinical textbooks, residency or fellowship training, or supervised clinical experience. It does not provide surgical or interventional technique instruction, instrument or portal placement guidance, imaging guidance instruction, medication or anesthetic dosing, or intraoperative decision support. It does not replace the independent clinical judgment of a qualified, licensed healthcare professional who has personally evaluated the individual patient. Treatment decisions must be made by the treating clinician based on the specific facts of the individual patient.

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Reading, downloading, distributing, or relying upon this document does not create a physician-patient relationship, an attorney-client relationship, an accountant-client relationship, a consultant-client relationship, or any other professional, fiduciary, or advisory relationship between the reader and GoHealthcare Practice Solutions, its officers, its employees, or

the author. This document is not directed to patients or consumers and should not be used by patients to make personal healthcare decisions. Patients should consult their own treating physician.

No guarantee of coverage, authorization, or payment

Nothing in this document guarantees, promises, or predicts that any payer will approve a prior authorization request, determine a service to be medically necessary, cover a service, or pay a claim. Coverage and payment determinations are made exclusively by the applicable payer under the terms of the individual member benefit plan document, applicable federal and state law, and the payer's own policies and criteria in effect on the date of service. Benefit plan documents supersede clinical policies and utilization management guidelines. GoHealthcare Practice Solutions makes no representation or warranty regarding the outcome of any authorization request, claim, appeal, audit, or dispute.

Time sensitivity and the reader's independent verification obligation

Healthcare coverage policy is dynamic. National and Local Coverage Determinations, Local Coverage Articles, utilization management guideline versions and effective dates, commercial medical policies, CPT and HCPCS Level II code sets and descriptors, ICD-10-CM codes and specificity requirements, National Correct Coding Initiative edits, medically unlikely edit values, ambulatory surgery center covered procedures lists, delegated vendor arrangements, CMS demonstration and innovation models, and state and federal regulations all change frequently - often on short notice and sometimes retroactively. They also vary materially by payer, by plan, by product line, by state, by Medicare Administrative Contractor jurisdiction, and by date of service.

The reader bears sole responsibility for independently verifying every statement in this document against the governing payer policy version in effect for the specific member and date of service, the current official code sets, and current primary regulatory sources, before relying on it for any clinical, documentation, coding, billing, authorization, appeal, or business decision. Policies and codes change. Verify current primary sources before use.

Coding and billing limitations

Code references and descriptors in this document are abbreviated, paraphrased, or summarized for readability and are not a substitute for the current, complete, official CPT, HCPCS Level II, or ICD-10-CM code sets and their accompanying guidelines, conventions, instructional notes, and parenthetical instructions. Code selection is a professional judgment that must be made by a qualified coding professional based on the complete documentation in the individual medical record.

This document was prepared without live access to proprietary, subscription coding databases or encoder software, and every code and descriptor appearing in it must be independently verified by the reader against the current official code sets before use. Nothing in this document authorizes or supports reporting any code for a service that was not actually performed, not medically necessary, or not supported by the documentation in the medical record. The provider and the submitting entity remain solely responsible for the accuracy, completeness, and truthfulness of every claim submitted, and for compliance with the False Claims Act, the Civil Monetary Penalties Law, the Anti-Kickback Statute, the Stark Law, and all other applicable federal and state laws and payer contract terms.

Payer policy content is summarized, not reproduced

Payer, health plan, and utilization management vendor criteria described in this document have been synthesized, summarized, and restated in GoHealthcare's own words for educational purposes. Proprietary payer guideline language has not been reproduced. Summaries are necessarily incomplete, may omit conditions, exceptions, definitions, and plan-specific variations, and may not reflect the version of the guideline in effect for a particular member or date of service. Readers must consult the payer's own current, complete policy document and, where a determination has been issued, must request the specific criteria set applied. Certain payers and vendors publish terms restricting the reproduction, distribution, or automated or artificial intelligence processing of their guideline content; readers who build internal tools incorporating such content should obtain legal review.

No endorsement; third-party names and products

References to manufacturers, devices, implants, biologics, software, vendors, health plans, professional societies, journals, or other third parties are provided for identification and educational purposes only and do not constitute an endorsement, recommendation, certification, or warranty by GoHealthcare Practice Solutions, nor do they imply any affiliation, sponsorship, partnership, or relationship with those parties. GoHealthcare Practice Solutions does not warrant the FDA clearance or approval status, labeled indications, safety, efficacy, availability, or coverage status of any product referenced. Product regulatory status and labeling change over time and must be verified against the manufacturer's current instructions for use and the FDA's official databases.

Authorship, methodology, and technology disclosure

This document was developed by GoHealthcare Practice Solutions, under the leadership of Pinky Maniri, Founder and Chief Executive Officer, using structured research of publicly available primary sources including CMS coverage documents, published payer and utilization management guidelines, professional society guidance, and peer-reviewed literature, together with GoHealthcare's operational experience supporting musculoskeletal specialty practices. Artificial intelligence tools were used to assist with research synthesis, drafting, and document production under human editorial direction and review. Artificial intelligence-assisted content is subject to error, omission, and outdated source material, and all such content remains subject to human editorial review and quality assurance. GoHealthcare Practice Solutions does not use artificial intelligence to make, and this document does not constitute, any coverage, medical necessity, or clinical determination for any individual patient.

External links

This document contains links to third-party websites provided as a convenience. GoHealthcare Practice Solutions does not control and is not responsible for the content, accuracy, availability, security, or privacy practices of any third-party site. Links may change or become inactive without notice, and inclusion of a link does not constitute endorsement.

Jurisdictional and program variation

Requirements differ materially across Original Medicare, Medicare Advantage, Medicaid fee-for-service, Medicaid managed care, commercial group and individual products, self-funded plans governed by ERISA, federal employee programs, TRICARE, Veterans Affairs Community Care, workers' compensation, and automobile and no-fault carriers. State law, state Medicaid policy, state workers' compensation treatment guidelines, state utilization review statutes, and state appeal and external review rights vary. This document does not address the requirements of any specific jurisdiction, program, or contract.

Limitation of liability

This document is provided "as is" and "as available," without warranty of any kind, express or implied, including without limitation any implied warranty of accuracy, completeness, currency, merchantability, fitness for a particular purpose, or non-infringement. To the fullest extent permitted by applicable law, GoHealthcare Practice Solutions, its affiliates, officers, employees, contractors, and the author disclaim all liability for any loss, damage, claim, penalty, denial, recoupment, audit finding, or expense of any kind - whether direct, indirect, incidental, consequential, special, punitive, or exemplary - arising out of or related to the use of, reliance upon, or inability to use this document or any information contained in it. Use of this document is entirely at the reader's own risk.

Trademarks and copyright

CPT is a registered trademark of the American Medical Association. CPT five-digit codes, nomenclature, descriptors, and other data are copyright of the American Medical Association, all rights reserved. The American Medical Association does not directly or indirectly practice medicine or dispense medical services and assumes no liability for data contained or not contained herein. HCPCS Level II and ICD-10-CM are maintained by the Centers for Medicare & Medicaid Services and the National Center for Health Statistics. All other trademarks, service marks, trade names, product names, policy numbers, and guideline identifiers referenced are the property of their respective owners.

(c) 2026 GoHealthcare Practice Solutions. All rights reserved. GoHealthcare MSK Specialty Procedure Library is a trademark of GoHealthcare Practice Solutions. This document may be viewed, downloaded, and shared internally within a healthcare organization for non-commercial educational purposes with attribution intact. It may not be sold, sublicensed, republished, incorporated into a commercial product or training program, or used to train or fine-tune any artificial intelligence or machine learning model without the prior written permission of GoHealthcare Practice Solutions.

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Developed by

Pinky Maniri

MSc, BSc, CRCR, CSAPM, CSPPM, CSBI, CSPR, CSAF, Certified in Healthcare A.I. Governance

Founder and Chief Executive Officer, GoHealthcare Practice Solutions

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This resource is intended for professional education and healthcare-operations guidance. It is not medical, legal, coding, billing, reimbursement, compliance, or payer-contract advice and is not a procedural technique manual. It does not replace clinical judgment, current official coding publications, payer policies, member benefit documents, Medicare guidance, MAC instructions, facility policy, or qualified professional review.

Coverage, authorization, coding, modifiers, units, payment, site-of-service requirements, and clinical criteria vary by payer, plan, product, employer group, jurisdiction, delegated reviewer, provider, facility, and date of service. Nothing in this guide guarantees authorization, coverage, reimbursement, or a specific claim determination. CPT is a registered trademark of the American Medical Association.