29879 Arthrs knee srg abrasj arthrp
Also known as: abrasion arthroplasty, arthroscopic abrasion, microfracture alternative
Arthroscopy of the knee with abrasion arthroplasty using motorized instruments to stimulate fibrocartilage formation in chondral defects.
In Plain Language
roughening cartilage to promote healing; stimulating cartilage growth
Clinical Context
Used for symptomatic chondral lesions and osteoarthritis to promote fibrocartilage healing.
RVU Breakdown
| Work RVU | 8.77 |
| Total RVU | 8.77 |
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 8.77, this code ranks in the 53rd percentile among Surgery codes — 1.1x the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 29879?
CPT 29879 (Arthrs knee srg abrasj arthrp) is a Surgery code. Arthroscopy of the knee with abrasion arthroplasty using motorized instruments to stimulate fibrocartilage formation in chondral defects.
What is the wRVU value for CPT 29879?
The work RVU for CPT 29879 is 8.77. This code is primarily used by Orthopedic Surgery, Sports Medicine. It has a 90-day global period.
When is CPT 29879 used?
Used for symptomatic chondral lesions and osteoarthritis to promote fibrocartilage healing.
Track This Code in RVU Edge
Log procedures, calculate wRVUs, and benchmark against national 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.