Autologous Chondrocyte Implantation or Transplantation Form
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Autologous Chondrocyte Implantation or Transplantation - Medical Policy
Updated Revision Effective: June 1, 2025
Policy Number:
UM256POL
Approval Date:
Line(s) of Business:
Commercial
Medicare Advantage
Medicaid (BeHealthy)
Description
Autologous chondrocyte implantation (ACI) is a procedure to resurface articular cartilage defect that involves
harvesting chondrocytes from healthy tissue, expanding the cells in vitro, and implanting the expanded cells into
the chondral defect.
Damaged articular cartilage typically fails to heal on its own and can be associated with pain, loss of function and
disability, and may lead to debilitating osteoarthritis over time. These manifestations can severely impair an
individual’s activities of daily living and adversely affect quality of life. Osteochondral grafts and autologous
chondrocyte implantation (ACI) attempt to regenerate hyaline-like cartilage and thereby restore durable
function.
In December 2016, MACI® (Vericel), a matrix-induced autologous chondrocyte implantation, was approved by
FDA for “the repair of symptomatic, single or multiple full-thickness cartilage defects of the knee with or without
bone involvement in adults.” MACI® consists of autologous chondrocytes which are cultured onto a
bioresorbable porcine-derived collagen membrane.
Line of Business
Commercial:
Health New England (HNE) has adopted InterQual criteria for Commercial line of business: CP: Procedures e
Arthroscopy or Arthroscopically Assisted Surgery, Knee.
Medicaid – BeHealthy:
Health New England (HNE) has adopted InterQual criteria for the Medicaid line of business: CP: Procedures e
Arthroscopy or Arthroscopically Assisted Surgery, Knee. There are no MassHealth guidelines for Autologous
Chondrocyte Implantation or Transplantation.
3/11/2025
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Medicare:
Health New England (HNE) has adopted InterQual* criteria for the Medicare line of business: CP:Procedures e
Arthroscopy or Arthroscopically Assisted Surgery, Knee. Medicare does not have a National Coverage
Determination (NCD) or a Local Coverage Determination (LCD) for Autologous Chondrocyte Implantation or
Transplantation.
*To obtain InterQual® SmartSheets™:If you are a registered Health New England provider click here: https://www.hnedirect.com/login/ to access the Provider website. If you do not have access to the portal call (413) 787-4004 to obtain a copy.
Policy
I. Criteria for Approval of Autologous chondrocyte implantation (ACI) for Commercial and Medicaid:
Health New England has adopted InterQual criteria: CP: Procedures Arthroscopy or Arthroscopically Assisted Surgery, Knee.
II. There are no MassHealth guidelines for Autologous chondrocyte implantation (ACI). The above criteria applies.
III. Criteria for Approval of Autologous chondrocyte implantation (ACI) for Medicare:
Health New England has adopted Interqual criteria: CP:Procedures Arthroscopy or Arthroscopically Assisted Surgery, Knee. Medicare does not have a National Coverage Determination (NCD) or a Local Coverage Determination (LCD) for Autologous Chondrocyte Implantation or Transplantation. Autologous chondrocyte implantation for all other joints, including the talar, and any indications other than those listed above are considered EXPERIMENTAL and INVESTIGATIONAL.
Policy Guidelines and Definitions
Definitions:
Autologous: Cells or tissues from the same individual.
Autologous Chondrocyte Transplant (ACT): State-of-the-art procedure to treat full-thickness articular cartilage defects that are down to the bone in the knee. The two-step process entails harvesting a member’s own healthy chondrocytes or cartilage cells and then growing these in the lab to generate more cells. Once completed, the chondrocytes are then sent back to the surgeon for implantation.
MACI (Matrix-Induced Autologous Chondrocyte Implantation): Autologous cultured chondrocytes on porcine collagen membrane, made up of one’s own (autologous) cells that are expanded and then placed on a film that is implanted into an area of cartilage damage and is then absorbed back into one’s own tissue. MACI is used for the repair of symptomatic cartilage damage of an adult knee. The amount of MACI applied depends upon the size of the cartilage damage. Surgeon trims to match size and shape of the damage to ensure complete coverage. MACI
- next generation matrix-induced autologous chondrocyte implantation (ACI) is the only FDA approved product in the United States.
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Outerbridge Classification System: Based on direct visualization of the joint, either arthroscopic or open, this classification system was developed to be a simple, easy-to-use, and reproducible grading system of articular cartilage lesions. There are several different grades of articular cartilage damage on the Outerbridge Scale; this scale ranges from 0 (no cartilage damage) to 4 (most severe cartilage damage):
Grade 0
Normal cartilage
Grade 1 (I)
Articular cartilage has softening and swelling.
Grade 2 (II)
Articular cartilage has a partial-thickness defect with fissures on the surface that do not
reach subchondral bone or exceed 1.5 cm in diameter.
Grade 3 (III) Articular cartilage has fissuring to the level of subchondral bone in an area with a diameter
more than 1.5 cm.
Grade 4 (IV) Articular cartilage is worn to the extent that there is exposed subchondral bone.
Coding Guidance
Code
Description
PA
CPT Code:
27412 Autologous chondrocyte implantation, knee Yes
HCPC Codes:
J7330
Autologous cultured chondrocytes, implant
Yes
S2112
Arthroscopy, knee, surgical, for harvesting of cartilage
Yes
CPT® Copyright 2024 American Medical Association. All rights reserved. CPT is a registered trademark of the American Medical Association.
Note: CPT/HCPCS codes are included for informational purposes and may not be all inclusive. Inclusion or exclusion of a CPT/HCPCS code(s) does not signify or imply that the service described by the code is a covered or non-covered health service. Benefit coverage for health services is determined by the member’s specific benefit plan document and applicable laws that may require coverage for a specific service. The inclusion of a code does not imply any right to reimbursement or guarantee of payment. Other policies and coverage determination guidelines may apply.
References
Matrix-Induced Autologous Chondrocyte Implantation (MACI) Procedure for Repair of Articular Cartilage of the Knee . Health Technology Assessment, Aug 26, 2020; Annual Review:Aug 3, 2023.
https://evidence.hayesinc.com/report/dir.matrixknee4713 (Subscription required)Comparative Effectiveness Review of First-Generation Autologous Chondrocyte Implantation of the Knee. (2019, August 30). Health Technology Assessment, July 13, 2017; Annual Review: July 9, 2020. https://evidence.hayesinc.com/report/dir.autochondrocyte222
(Subscription required)
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Overview: Autologous chondrocyte implantation for treating symptomatic articular cartilage defects of the knee: Guidance. (2017, October 4).
https://www.nice.org.uk/guidance/ta477Biological Reconstruction of Localized Full-Thickness Cartilage Defects of the Knee: A Systematic Review of Level 1 Studies with a Minimum Follow-Up of 5 Years. Peter Angele, Johannes Zellner, Steffen Schröter, Johannes Flechtenmacher, Jürgen Fritz, and Philipp Niemeyer. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9924981/
Surgical Techniques for Knee Cartilage Repair: An Updated Large-Scale Systematic Review and Network Meta-analysis of Randomized Controlled Trials. Radoslav Zamborsky M.P.H., Ph.D., Lubos Danisovic M.Sc., Ph.D. https://www.sciencedirect.com/science/article/abs/pii/S0749806319310850
Howard, J. S., Mattacola, C. G., Mullineaux, D. R., Robert, & Lattermann, C. (2019, May 15). Patient- Oriented and Performance-Based Outcomes After Knee Autologous Chondrocyte Implantation: A Timeline for the First Year of Recovery in: Journal of Sport Rehabilitation Volume 23 Issue 3 (2014).
https://journals.humankinetics.com/view/journals/jsr/23/3/article-p223.xml
Bhosale, A. M., Myint, P., Roberts, S., Menage, J., Harrison, P., Ashton, B., Richardson, J. B. (2007, October). Combined autologous chondrocyte implantation and allogenic meniscus transplantation: a biological knee replacement https://www.ncbi.nlm.nih.gov/pubmed/17689085
Classifications in Brief: Outerbridge Classification of Chondral Lesions. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6259817/
Articular Cartilage Restoration - OrthoInfo - AAOS. (n.d.).
https://orthoinfo.aaos.org/en/treatment/articular-cartilage-restoration
UpToDate: Overview of surgical therapy of knee and hip osteoarthritis. Literature review current through Dec 2023. This topic last updated on Aug 01, 2022. https://sso.uptodate.com/contents/overview-of-surgical-therapy-of-knee-and-hip-osteoarthritis
Policy Implementation
Approved by the Medical and Pharmacy Policy Committee
Kate McIntosh MD MBA
Chief Medical Officer
Saad Usmani MD MBA
Medical Director
Date Update 05/2023 Policy brought back from archived status. Slight updates in criteria and references. 1/2024 Added Line of Business Section.
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Date Update References updated. 2/2025 Updated with Interqual criteria
Medical Criteria Disclaimer
Property of Health New England. All rights reserved. The treating physician or primary care provider must submit
to Health New England the clinical evidence that the patient meets the criteria for the treatment, testing or
surgical procedure. Without this documentation and information, Health New England will not be able to properly
review the request for prior authorization. The clinical review criteria reflect how Health New England determines
whether certain services or supplies are medically necessary. Health New England established the clinical review
criteria based upon a review of currently available clinical information (including clinical outcome studies in the
peer-reviewed published medical literature, regulatory status of the technology, evidence-based guidelines of
public health and health research agencies, evidence-based guidelines and positions of leading national health
professional organizations, views of physicians practicing in relevant clinical areas, and other relevant factors).
Health New England expressly reserves the right to revise these conclusions as clinical information changes and
welcomes further relevant information. Each benefit program defines which services are covered. The conclusion
that a particular service or supply is medically necessary does not constitute a representation or warranty that
this service or supply is covered and/or paid for by Health New England, as some programs exclude coverage for
services or supplies that Health New England considers medically necessary. If there is a discrepancy between
this guideline and a member's benefits program, the benefits program will govern. In addition, coverage may be
mandated by applicable legal requirements of a state, the Federal Government or the Centers for Medicare &
Medicaid Services (CMS) for Medicare and Medicaid members. All coding and web site links are accurate at the
time of publication. Health New England has adopted the herein policy in providing management, administrative
and other services to its Health Plan.
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