CPT code 87533 describes a laboratory test that quantifies infection with Herpes virus 6 (HHV-6) using a nucleic acid probe technique; this is a molecular diagnostic viral quantification service typically performed by a clinical laboratory (laboratory service) and usually provided in an outpatient or hospital laboratory setting.

For related coverage guidance, see recent payer policy updates: B-Hemolytic Streptococcus Testing, Human Immunodeficiency Virus (HIV) — Coverage Criteria for Testing and Resistance Assays, Hepatitis Testing (A, B, C, D) Coverage Criteria.