CPT code 92273 represents an electrophysiologic test of retinal function—commonly performed as full‑field (Ganzfeld) or flash/focal electroretinography—to assess outer or generalized retinal function. This diagnostic ophthalmic procedure is an important objective measure in evaluating retinal disorders such as retinitis pigmentosa, cone‑rod dystrophies, toxic or drug‑induced retinopathies, and unexplained vision loss, and it supports clinical decision‑making and eligibility determinations for certain therapies.

Key payers in this national analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise review of the clinical context for 92273, expected sites of service, and payer coverage landscape. The publication summarizes typical use cases, billing considerations, and common modifiers provided in the input, and flags areas where data was not available.

This overview equips clinicians, billing professionals, and policy analysts with a clear reference to the procedure represented by CPT code 92273, the settings where it is typically performed, and which major public and commercial payers are included in the coverage discussion. Data not available in the input is noted where applicable.