46735 Construction of absent anus
Also known as: anorectoplasty with colostomy, staged anus construction, colostomy creation
Construction of an absent anus with colostomy in infants/children. Creates new anal opening with colostomy diversion.
In Plain Language
creating an anus and a colostomy opening; staged reconstruction with temporary diversion
Clinical Context
Performed for higher imperforate anus defects or complex anatomy requiring initial colostomy and staged repair.
RVU Breakdown
| Work RVU | 35.24 |
| Total RVU | 35.24 |
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 35.24, this code ranks in the 95th percentile among Surgery codes — 4.4x the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 46735?
CPT 46735 (Construction of absent anus) is a Surgery code. Construction of an absent anus with colostomy in infants/children. Creates new anal opening with colostomy diversion.
What is the wRVU value for CPT 46735?
The work RVU for CPT 46735 is 35.24. This code is primarily used by Pediatric Surgery, Colorectal Surgery. It has a 90-day global period.
When is CPT 46735 used?
Performed for higher imperforate anus defects or complex anatomy requiring initial colostomy and staged repair.
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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.