CPT code 87551 designates an amplified nucleic acid probe test for detection of Mycobacterium species. This molecular diagnostic code is used in microbiology laboratories to identify acid-fast bacteria that cause diseases such as tuberculosis and non-tuberculous mycobacterial infections. Nationally, accurate molecular identification of Mycobacterium species supports appropriate public health responses, infection control, and targeted antimicrobial therapy.

Key payers addressed in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Coverage and reimbursement policies for molecular microbiology tests vary by payer and setting; this report summarizes typical coverage constructs and operational considerations used by major commercial and government payers.

Readers will learn the clinical context for use of CPT code 87551, expected sites of service, and the types of benchmarks and policy topics typically relevant to this code (coverage policies, laboratory billing practices, and coding relationships). Where specific payer or coding detail is not provided in the input, the report will note that the information is not available. The overview supports laboratory administrators, coding professionals, and policy analysts who need concise clinical and billing context for CPT code 87551.