46740 Construction of absent anus
Also known as: anoperineal anorectoplasty, perineal anus construction, posterior anoplasty
Construction of an absent anus with perineal approach (anoperineal repair). Creates anal opening using perineal approach in select cases.
In Plain Language
creating an anus through the perineum; alternative anus construction approach
Clinical Context
Used for specific imperforate anus variants amenable to perineal approach. Less commonly performed than abdominal approaches.
RVU Breakdown
| Work RVU | 33.05 |
| Total RVU | 33.05 |
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 33.05, this code ranks in the 94th percentile among Surgery codes — 4.1x the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 46740?
CPT 46740 (Construction of absent anus) is a Surgery code. Construction of an absent anus with perineal approach (anoperineal repair). Creates anal opening using perineal approach in select cases.
What is the wRVU value for CPT 46740?
The work RVU for CPT 46740 is 33.05. This code is primarily used by Pediatric Surgery, Colorectal Surgery. It has a 90-day global period.
When is CPT 46740 used?
Used for specific imperforate anus variants amenable to perineal approach. Less commonly performed than abdominal approaches.
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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.