CPT code 45317 represents a proctosigmoidoscopy with therapeutic control of bleeding in the distal colon and rectum. The procedure combines endoscopic inspection of the anus, rectum, and sigmoid colon using a rigid proctosigmoid scope and application of hemostatic techniques such as injection, cautery (bipolar or unipolar), laser, heater probe, stapler, or plasma coagulator. Nationally, this code matters for acute gastrointestinal bleeding management, colorectal procedural volumes, and facility utilization across outpatient and inpatient settings. Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare.

Readers will learn the clinical context for use of this code, expected sites of service, and how it fits into endoscopic management of lower GI bleeding. The analysis covers typical clinical indications, common billing considerations, and high-level payer coverage patterns for this category of therapeutic proctosigmoidoscopy. Data not available in the input for associated taxonomies, specific ICD-10 pairings, and related codes are noted as unavailable. This summary is intended for clinical coders, revenue cycle professionals, and policy analysts seeking a concise national overview of CPT code 45317.