CPT code 34705 denotes placement of an aorto–bi–iliac endograft — a complex endovascular, Y‑shaped graft extending from the infrarenal aorta into both iliac arteries — for repair of the infrarenal aorta or iliac artery when not related to rupture or traumatic injury. This procedural code includes pre‑procedure sizing and device selection, nonselective catheterization, adjunct angioplasty or stenting, any necessary endograft extensions from the renal arteries to the iliac bifurcation, and radiological supervision and interpretation. Nationally, 34705 captures high‑complexity endovascular aortic repairs that concentrate in hospital operating rooms and hybrid endovascular suites and are relevant to vascular surgery, interventional radiology, and inpatient surgical service lines.

Payers referenced in the analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise explanation of the procedure and clinical context, an outline of typical sites of service and service type, and a summary of common billing considerations and modifiers where Data not available in the input prevents a full payer‑specific reimbursement table. The publication also points to related operational elements such as device selection and imaging requirements that commonly affect coding and billing workflows. This overview is intended for a national audience of clinicians, hospital coding teams, and payer policy analysts seeking clear, procedure‑level context for CPT code 34705.