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G439
G439 – Full field electro-retinography - professional component
OHIP Diagnostic and Therapeutic Procedures Code — DIAGNOSTIC AND THERAPEUTIC PROCEDURES · Schedule of Benefits
This service is the professional component for a full-field electro-retinography, which includes the physician's interpretation and a written report. It is billed in conjunction with the technical component, G852. As per , payment for electro-retinography services includes any pupil dilation and refraction necessary to complete the study.
Referral requiredFrom: Physician, NursePractitioner, OralMaxillofacialSurgeon
A written report of the electro-retinography is required.
As per , all insured services must be documented in the patient's medical record to establish that:
1. an insured service was provided;
2. the service for which the account is submitted is the service that was rendered; and
3. the service was medically necessary.
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