CPT code 33509 represents endoscopic harvest of an arterial graft from the patient’s arm for use in coronary artery bypass grafting (CABG). This code captures a minimally invasive graft procurement technique that supports revascularization for patients with obstructive coronary artery disease. Nationally, accurate coding for surgical graft harvests affects clinical documentation, operative reporting, and aggregation of procedure volumes and outcomes.

Key payers addressed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of clinical context, typical sites of service, and which payers are commonly involved in coverage decisions. The publication summarizes benchmarks and reimbursement context where available, notes relevant coding relationships, and outlines the clinical setting in which CPT code 33509 is used.

This resource provides concise guidance on the clinical intent of the code, the service setting, and what stakeholders should expect when CPT code 33509 appears on a surgical claim. Data not available in the input is explicitly identified elsewhere.