CPT code 87533 represents a molecular diagnostic test that detects and quantifies Human Herpesvirus 6 (HHV-6) using a nucleic acid probe technique. This laboratory assay is clinically relevant for diagnosing HHV-6–associated conditions such as roseola in children and more severe HHV-6 disease in immunocompromised adults. Molecular quantification can inform clinical evaluation and infection monitoring nationwide.

Key payers in the national coverage analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. The report focuses on payer policy presence, utilization benchmarks where available, and the clinical context for ordering HHV-6 nucleic acid testing.

Readers will learn: the clinical purpose and service settings for CPT code 87533, typical use cases and patient populations, common billing considerations, and an outline of what payer coverage reviews and national policy updates commonly address. When specific data elements were not supplied in the input, the document notes "Data not available in the input." The content is intended for national audiences including laboratory managers, coding and billing staff, and policy analysts seeking a concise reference for CPT code 87533.