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Neurology & Pain Management Coding Alert

Reader Question:

Evoked Potentials

Published on Wed Dec 19, 2012

Question: Our carrier will only reimburse for visual evoked response testing if I code optic neuritis and not, for instance, for multiple sclerosis (MS). Is this correct?

Maryland Subscriber
Answer: Visual evoked potential (VEP) testing (95930, central nervous system, checkerboard or flash), also known as visual evoked response tests (VER), evaluates the integrity of visual nerve pathways (retina and optic nerves) by measuring the brain's response to repetitive visual stimuli. Electrodes are placed on the patient's scalp at the occiput and parietal locations. A reference electrode is placed on the ear. One eye is occluded (blocked) and the patient is asked to focus on a dot in the center of the screen. A checkerboard or, in some cases, a flash pattern is projected and reversed 100 times at a rate of once or twice per second. The procedure is repeated for the second eye. Visual [...]
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