CPT code 35005 represents open surgical access to the vertebral artery for treatment of aneurysm or pseudoaneurysm, with direct vessel repair or graft placement. This code captures complex vascular surgery aimed at addressing both aneurysmal disease and associated occlusive pathology of the vertebral artery. Nationally, accurate use of this code is important for clinical documentation, appropriate site-of-service designation, and alignment with surgical quality and reimbursement frameworks.

Key payers in the analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of the clinical context for the procedure, typical sites of service, and common billing considerations. The publication outlines benchmarks for coding and utilization where available, summarizes relevant policy and coverage themes for major payers, and provides clinical context to support correct code selection. Data not available in the input is noted where specific payer policies, taxonomy mappings, ICD-10 diagnosis links, or related billing codes would normally be detailed.

This summary is intended for a national audience of billing professionals, vascular surgeons, and policy analysts seeking clear, factual information about the purpose and application of CPT code 35005 without state-specific guidance.