CPT code 90476 describes administration of a live oral vaccine product for protection against adenovirus type 4, a viral cause of respiratory illness; the service is a vaccine administration typically provided in outpatient clinics, travel medicine clinics, military health facilities, or other ambulatory settings where immunizations are given.

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.