CPT code 92133 denotes computerized diagnostic imaging of the optic nerve in the posterior segment with professional interpretation and a written report. This ophthalmic imaging procedure is used to evaluate optic nerve structure and related posterior segment pathology and is commonly performed in ophthalmology and optometry outpatient settings and imaging centers. Nationally, the code is important for quantifying utilization of structural retinal and optic nerve assessments used in glaucoma, optic neuropathy, and other posterior segment conditions.

Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise explanation of the clinical purpose of 92133, typical sites of service, and the range of common billing modifiers associated with professional imaging and interpretation. The publication provides benchmarks and payment context where available, highlights policy or coverage considerations relevant to imaging frequency and documentation, and summarizes clinical circumstances in which this imaging is typically used.

This summary is intended to inform billing, coding, and clinical staff, as well as policy analysts and payers, about the scope and administrative considerations for CPT code 92133 at a national level. Data not available in the input will be noted in relevant sections.