27424 Revision/removal of kneecap
Also known as: patellectomy, patellar removal, patellar ablation
Surgical revision or removal of the patella (kneecap) including partial or complete patellar ablation, patellectomy, or reconstruction for severe degeneration or chronic instability.
In Plain Language
removing or partially removing the kneecap
Clinical Context
Used for severe patellofemoral arthritis, failed prior patellar surgery, or extensive patellar damage. Relative contraindication in active patients due to functional loss.
RVU Breakdown
| Work RVU | 9.98 |
| Total RVU | 9.98 |
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 9.98, this code ranks in the 59th percentile among Surgery codes — 1.2x the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 27424?
CPT 27424 (Revision/removal of kneecap) is a Surgery code. Surgical revision or removal of the patella (kneecap) including partial or complete patellar ablation, patellectomy, or reconstruction for severe degeneration or chronic instability.
What is the wRVU value for CPT 27424?
The work RVU for CPT 27424 is 9.98. This code is primarily used by Orthopedic Surgery, Knee Surgery. It has a 90-day global period.
When is CPT 27424 used?
Used for severe patellofemoral arthritis, failed prior patellar surgery, or extensive patellar damage. Relative contraindication in active patients due to functional loss.
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.