CPT code 87275 represents an immunofluorescent antigen detection test for influenza B virus performed by a laboratory analyst using an immunofluorescent antibody stain and fluorescence microscopy. This diagnostic laboratory service is commonly used in clinical and hospital laboratories to rapidly identify influenza B infection, informing patient management and public health surveillance.

Key national payers in the analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. The publication summarizes coverage considerations and benchmarking context across major payers and Medicare, clinical indications and typical laboratory workflows, and coding nuances relevant to billing and claims processing.

Readers will learn where CPT code 87275 fits within laboratory diagnostic services, typical sites of service, common billing scenarios, and how major payers and Medicare approach coverage and payment in general terms. The report also highlights clinical context for antigen-based influenza B testing, typical operational settings, and areas where policy updates or payer guidance may affect claims processing. Data not available in the input for specific payor rates, associated taxonomies, ICD-10 diagnoses, related codes, or service-line details are noted as unavailable.