CPT code 46712 represents surgical repair of an ileoanal pouch fistula or sinus via pouch advancement through the perineum and abdomen. The procedure is clinically important as a reconstructive option for patients who have undergone proctocolectomy with ileoanal pouch construction for diseases such as ulcerative colitis, Crohn's disease, colorectal cancer, or injury. Nationally, this code captures a complex pelvic and abdominal operation that can impact resource use, surgical outcomes, and post-operative care pathways.

Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical context, where the service is typically delivered, and common billing considerations tied to this surgical procedure. The publication highlights benchmarks relevant to utilization and reimbursement patterns, summarizes recent policy or coding guidance affecting claim adjudication, and clarifies typical service-line implications for hospitals and surgical practices.

This summary is intended for a national audience of clinicians, coding professionals, and health policy analysts seeking a clear framing of CPT code 46712 — what it denotes clinically, which payers commonly contract for it, and the topics to review further when evaluating coding, billing, and coverage for ileoanal pouch fistula repair.