CPT code 95052 identifies photo patch testing performed in combination with a standard patch test using allergenic extracts to detect contact allergens and photoallergens. This test is clinically important for diagnosing allergic contact dermatitis and photoallergic reactions that can cause persistent or treatment-resistant rashes. Nationally, accurate coding of these diagnostic allergy procedures supports appropriate clinical management and informs utilization patterns for dermatology and allergy services.

Key payers addressed in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a focused overview of the clinical context for 95052, typical sites where the service is delivered, and the common billing modifiers associated with allergy testing procedures. The analysis also outlines what to expect in payer coverage approaches and common administrative considerations relevant to outpatient specialty clinics.

This publication provides benchmarks for coding and documentation practices, summarizes recent policy and coding guidance affecting allergy diagnostic services, and clarifies clinical indications that commonly prompt use of the code. Data not available in the input is noted where applicable.