20956 Iliac bone graft microvasc
Also known as: iliac crest free flap, iliac bone free graft
Microvascular free bone graft using iliac crest with vascular anastomosis.
In Plain Language
bone and blood vessel transplant from hip; vascularized iliac graft
Clinical Context
Provides cancellous or corticocancellous bone with excellent healing potential for reconstruction.
RVU Breakdown
| Work RVU | 40.15 |
| Total RVU | 40.15 |
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 40.15, this code ranks in the 97th percentile among Surgery codes — 5.0x the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 20956?
CPT 20956 (Iliac bone graft microvasc) is a Surgery code. Microvascular free bone graft using iliac crest with vascular anastomosis.
What is the wRVU value for CPT 20956?
The work RVU for CPT 20956 is 40.15. This code is primarily used by Orthopedic Surgery, Plastic Surgery, Microsurgery. It has a 90-day global period.
When is CPT 20956 used?
Provides cancellous or corticocancellous bone with excellent healing potential for reconstruction.
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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.