29730 Windowing of cast
Also known as: window cast, cast windowing, pressure window
Windowing of a cast, creating an opening or cutout in the cast to allow examination, wound inspection, or pressure relief over a specific area.
In Plain Language
cutting hole in cast; opening cast for inspection
Clinical Context
Performed to inspect wounds, reduce pressure over bony prominences, or assess underlying swelling.
RVU Breakdown
| Work RVU | 0.73 |
| Total RVU | 0.73 |
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 0-day global period, meaning pre- and post-operative E&M visits are billable separately on the same day. Ensure the diagnosis code (ICD-10) supports medical necessity for the procedure.
How This Code Compares
With a work RVU of 0.73, this code ranks in the 2nd percentile among Surgery codes — 11.0x below the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 29730?
CPT 29730 (Windowing of cast) is a Surgery code. Windowing of a cast, creating an opening or cutout in the cast to allow examination, wound inspection, or pressure relief over a specific area.
What is the wRVU value for CPT 29730?
The work RVU for CPT 29730 is 0.73. This code is primarily used by Orthopedic Surgery.
When is CPT 29730 used?
Performed to inspect wounds, reduce pressure over bony prominences, or assess underlying swelling.
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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.