CPT code 92274 denotes multifocal electroretinography (mfERG), an electrophysiologic diagnostic test that measures localized retinal function to detect focal retinal abnormalities and cone–rod dysfunction. Nationally, mfERG is a clinically important tool for diagnosing retinal disorders that may not be evident on structural imaging alone, informing specialty ophthalmology and retinal care pathways.

Key payers in this review include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. The analysis summarizes coverage and billing contexts across major commercial payers and federal programs, highlighting clinical indications and service settings.

Readers will find a concise clinical context for the procedure, typical sites of service, and an overview of billing considerations tied to CPT code 92274. The publication outlines benchmarks commonly monitored in payer contracts, summarizes policy and coverage themes relevant to electrophysiology testing of the retina, and provides clarity on what documentation and clinical rationale are typically associated with this diagnostic service. Data not available in the input is noted where applicable.