27412 Autochondrocyte implant knee
Also known as: ACI, autologous chondrocyte implantation, cartilage cell transplant
Autologous chondrocyte implantation (ACI) procedure for repair of focal cartilage defects in the knee using cultured patient-derived cartilage cells implanted with periosteal or collagen membrane.
In Plain Language
knee cartilage regrowth using your own cells; cartilage cell implant
Clinical Context
Used for symptomatic focal cartilage lesions, primarily in younger patients to prevent osteoarthritis. Requires initial cartilage harvest and culture period.
RVU Breakdown
| Work RVU | 24.12 |
| Total RVU | 24.12 |
Est. Medicare Payment
National estimate based on 2026 CMS PFS Conversion Factor ($33.40). Actual payment varies by locality (GPCI adjustment).
Billing & Documentation
As a surgical CPT code, proper documentation must include the operative report detailing the procedure performed, patient positioning, approach, findings, and any complications. This code has a 90-day global period, which includes the day of the procedure, 1 day preoperative, and 90 days of postoperative care. Ensure the diagnosis code (ICD-10) supports medical necessity for the procedure.
How This Code Compares
With a work RVU of 24.12, this code ranks in the 88th percentile among Surgery codes — 3.0x the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 27412?
CPT 27412 (Autochondrocyte implant knee) is a Surgery code. Autologous chondrocyte implantation (ACI) procedure for repair of focal cartilage defects in the knee using cultured patient-derived cartilage cells implanted with periosteal or collagen membrane.
What is the wRVU value for CPT 27412?
The work RVU for CPT 27412 is 24.12. This code is primarily used by Orthopedic Surgery, Sports Medicine, Joint Preservation. It has a 90-day global period.
When is CPT 27412 used?
Used for symptomatic focal cartilage lesions, primarily in younger patients to prevent osteoarthritis. Requires initial cartilage harvest and culture period.
Track This Code in RVU Edge
Log procedures, calculate wRVUs, and benchmark against MGMA data — all in one app.
CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.