Summary & Overview
CPT 92265: Electromyography of Extraocular Muscles
CPT code 92265 identifies an ocular electromyography procedure in which electrophysiologic testing is performed on the extraocular muscles, with interpretation and reporting included. This specialized diagnostic test is used in evaluating neuromuscular disorders affecting eye movement and can inform surgical planning or neurologic diagnosis. Nationally, the code represents a niche but clinically important service within ophthalmology and neuro-ophthalmology practices.
Key payers covered in this overview include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. The publication offers readers a concise briefing on clinical context, coding considerations, and payer coverage patterns where available. It summarizes what to expect for site-of-service delivery, typical clinical indications, and how the bundled interpretation/report component affects billing.
Readers will learn: the clinical purpose of the test, typical sites of service, which major payers are considered in coverage discussions, and where data are not available in the input. Benchmark details, payer-specific policy language, and claims-level trends are noted as Data not available in the input when not provided. The summary is intended for national audiences involved in coding, clinical operations, and revenue cycle oversight.
Billing Code Overview
CPT code 92265 describes an electrophysiologic test analogous to extremity electromyography but performed on the extraocular muscles of the eye. The procedure includes the provider's interpretation and report, which are integral to the service and must not be billed separately.
Service type: Diagnostic electrophysiology of extraocular muscles (ocular electromyography)
Typical site of service: Ophthalmology clinic, neuro-ophthalmology clinic, or hospital outpatient department
Clinical & Coding Specifications
Clinical Context
A 45-year-old patient presents to a neuro-ophthalmology clinic with binocular diplopia and intermittent ptosis. History and clinical exam suggest a cranial nerve palsy or neuromuscular junction disorder affecting extraocular muscles. After history, ocular motility testing, and bedside fatigability assessment, the provider schedules an extraocular muscle electromyography study to evaluate muscle and neuromuscular transmission function.
The procedure is performed in an outpatient eye clinic or neurology electrodiagnostic lab. The patient is positioned supine or seated, topical anesthesia applied as needed, and a specialized needle electrode is inserted into one or more extraocular muscles under the provider’s direct visualization or fluoroscopic/ultrasound guidance when indicated. The provider records spontaneous activity, voluntary motor unit potentials, and response to repetitive stimulation if testing for neuromuscular junction disorders. Interpretation and a written report are completed by the performing provider. Typical workflow includes pre-procedure consent, sterile technique, targeted muscle testing, data capture, interpretation, and documentation in the medical record. Typical site of service: outpatient ophthalmology or neurology clinic, ambulatory surgical center, or hospital outpatient department.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
26 | Professional component | Use when reporting only the physician’s interpretation/report if the technical component is billed separately. |