CPT code 37607 designates the surgical ligation of an artificially created arteriovenous fistula via incision and application of sutures or clamps to stop blood flow. This procedure is clinically significant for managing complications or unwanted patency of surgically created vascular access, particularly among patients with prior fistula creation for hemodialysis access or other vascular needs. Nationally, CPT 37607 is important where definitive closure of an AV fistula is required to control bleeding, infection risk, high-output cardiac issues, or access-related complications.

Key payers covered in this overview include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise explanation of the clinical context of CPT 37607, the typical service setting, and what to expect in coding and billing workflows. The publication summarizes benchmark considerations, common modifiers used with surgical vascular procedures, and clinical indications associated with ligation of an arteriovenous fistula. It also outlines typical places of service and operational considerations relevant to claims processing and coverage determination. Data not available in the input is noted where payer-specific rates, ICD-10 pairings, and provider taxonomy details would normally appear.