CPT code 36252 represents bilateral selective renal angiography: a catheter-based diagnostic procedure in which contrast is injected into the main renal arteries via arterial access at the groin to visualize renal vasculature. This imaging procedure is clinically important for diagnosing renal artery stenosis, occlusion, or thromboembolic disease and often guides subsequent interventional or medical management. Nationally, renal angiography is a standard diagnostic tool in vascular and nephrology practice and is billed across hospital outpatient departments and ambulatory surgery centers.

Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. The publication provides a concise reference for billing and coverage context, including typical sites of service, common billing modifiers (listed separately), and where to look for clinical and coding guidance.

Readers will find a summary of the clinical context for CPT code 36252, its primary service setting, and payor coverage landscape. The piece highlights benchmarking and policy-relevant considerations for national stakeholders, and points to areas where payor policies or prior authorization rules commonly apply. Data not available in the input is noted where applicable.