CPT code 45500 denotes a surgical repair to release anorectal stenosis by incising scar tissue and reconstructing the area with adjacent tissue flaps. This code represents a specialized anorectal reconstructive procedure used to relieve symptomatic narrowing of the anal canal that can impair bowel function. Nationally, accurate coding for this procedure matters for clinical tracking, care coordination, and payment consistency across surgical and ambulatory settings.

Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise review of the clinical context for 45500, expected sites of service, common modifiers used with surgical CPT codes, and what to expect in payer coverage discussions. The content outlines benchmarking and policy considerations relevant to hospitals, ambulatory surgical centers, and colorectal surgery practices.

This publication provides a practical reference for clinicians, coding professionals, and revenue cycle staff seeking clarity on when 45500 applies, typical clinical indications, and how the procedure fits into surgical service lines. Data not available in the input will be noted where necessary.