CPT code 0225U designates the ePlex® Respiratory Pathogen Panel 2 from GenMark Diagnostics, a proprietary multiplex RT–PCR assay with electrochemical detection for common viral and bacterial respiratory pathogens, including SARS–CoV–2. As a PLA code, 0225U applies to a single manufacturer-specific test and signals unique billing and coverage considerations for laboratories and payers nationwide.

Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of what the code represents clinically, typical sites of service, and the scope of laboratory testing covered by this panel. The publication also summarizes payer coverage patterns, coding and billing benchmarks, and relevant policy updates affecting proprietary laboratory tests.

This analysis provides clinicians, laboratory managers, and billing professionals with context on clinical use of the panel, national reimbursement and coverage considerations, and operational implications for performing and reporting a manufacturer-specific respiratory pathogen assay. Data not available in the input will be identified as such in relevant sections.