CPT code 87536 represents a quantitative molecular assay that measures HIV‑1 RNA (viral load) in a patient specimen. Viral load testing is a cornerstone of HIV care and public health surveillance, guiding clinical management, monitoring antiretroviral therapy effectiveness, and informing transmission risk. Nationally, access to timely and accurate HIV‑1 RNA testing affects patient outcomes and programmatic efforts to control HIV.

Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. The publication outlines payer coverage patterns, typical sites of service for testing, and clinical context relevant to ordering and interpreting viral load results.

Readers will learn the clinical purpose of CPT code 87536, the common settings where the test is performed, and the typical service type classification. The report also summarizes payer considerations, common billing modifiers (listed separately), and available benchmark information. Data not available in the input is noted where applicable. This summary serves clinicians, laboratory managers, and billing professionals seeking a concise reference on the role and billing identity of HIV‑1 RNA quantitative testing under CPT code 87536.