CPT® 0509T, Under Vision Studies, Implants and Therapies

The Current Procedural Terminology (CPT®) code 0509T as maintained by American Medical Association, is a medical procedural code under the range - Vision Studies, Implants and Therapies.

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The provider performs pattern electroretinography (PERG), an electrophysiologic technology to assess the function of both the retina and macula. The retina is tissue at the back of the eye that is sensitive to light and helps in visual image formation, and the macula is the point of sharpest vision on the retina. The provider also interprets the findings of the PERG and prepares a report.

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