CPT code 95133 denotes in-office administration of stinging insect venom immunotherapy for four insect species, a targeted treatment to prevent or reduce systemic allergic reactions in venom-allergic patients. This procedure is clinically important nationwide because venom immunotherapy is the only disease-modifying therapy proven to reduce the risk of severe anaphylaxis from insect stings and can substantially improve patient safety and quality of life.

Key payers examined include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical context and service settings, typical payer coverage considerations, common billing modifiers, and where to locate relevant benchmarks and policy updates. The publication also summarizes coding nuances, site-of-service implications, and the role of CPT code 95133 within allergen immunotherapy workflows.

This resource is intended for clinicians, billing professionals, and policy analysts seeking a national perspective on coding and administrative considerations for stinging insect venom immunotherapy administered in the office setting. Data not available in the input for associated taxonomies, ICD-10 diagnoses, and related codes.