28220 Release of foot tendon
Also known as: tendon release foot, foot tendon lengthening, Z-plasty tendon foot
Release (lengthening or Z-plasty) of a contracted foot tendon. This procedure releases and lengthens a shortened or tight tendon.
In Plain Language
loosening a tight tendon in the foot; foot tendon lengthening
Clinical Context
Performed for contractures from spasticity, scarring, or tight muscles. Restores foot position and flexibility.
RVU Breakdown
| Work RVU | 4.55 |
| Total RVU | 4.55 |
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 4.55, this code ranks in the 31st percentile among Surgery codes — 1.8x below the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 28220?
CPT 28220 (Release of foot tendon) is a Surgery code. Release (lengthening or Z-plasty) of a contracted foot tendon. This procedure releases and lengthens a shortened or tight tendon.
What is the wRVU value for CPT 28220?
The work RVU for CPT 28220 is 4.55. This code is primarily used by orthopedic surgery, foot and ankle surgery, neurosurgery. It has a 90-day global period.
When is CPT 28220 used?
Performed for contractures from spasticity, scarring, or tight muscles. Restores foot position and flexibility.
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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.