CPT code 90476 denotes administration of a live oral vaccine for adenovirus type 4, used to prevent respiratory illness caused by this viral serotype. Nationwide, this code is relevant for immunization programs in outpatient and public health settings where oral vaccine delivery is indicated. The code captures the service of preparing and administering the live attenuated adenovirus type 4 vaccine by mouth.

Key payers in this review include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of the clinical role of the adenovirus type 4 oral vaccine, common billing considerations tied to vaccine administration services, and how major payers approach coverage and coding for immunization encounters. The summary highlights expected sites of service and the types of clinical programs that commonly use the vaccine, such as primary care, travel medicine, and public health immunization efforts.

This publication is organized to deliver benchmarks where available, note relevant payer policies and coverage themes, and provide clinical context for billing staff and policy teams responsible for coding, reporting, and reimbursing oral live vaccine administration services associated with CPT code 90476. Data not available in the input will be identified as such in detailed sections.