CPT code 95028 covers delayed-type skin testing for allergic sensitization: the administration of allergenic extracts into the skin, clinical interpretation of delayed reactions, and a written report documenting the number of tests. This procedure is an important diagnostic tool for identifying cell-mediated allergic responses and informs management in allergy and immunology care.

Key national payers included in this analysis are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical context and coding intent, typical sites of service, common modifiers associated with procedural reporting, and notes on billing practice considerations when available. The publication highlights benchmarks and policy-relevant issues affecting reimbursement and coverage determinations at a national level, and summarizes what clinicians and coding professionals need to know about documentation and reporting for 95028.

The piece is designed for a national audience and frames 95028 within outpatient allergy/immunology practice, helping billing staff, compliance officers, and clinicians understand the procedure’s coding purpose, reporting expectations, and areas where payer policies commonly affect claims adjudication.