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Official Description

H-reflex, amplitude and latency study; record gastrocnemius/soleus muscle

© Copyright 2026 American Medical Association. All rights reserved.

Common Language Description

The CPT® Code 95934 refers to an H-reflex study that specifically measures the amplitude and latency of the H-reflex in the gastrocnemius and soleus muscles, which are located in the lower leg. The H-reflex is a reflexive response that occurs when a sensory nerve is stimulated, leading to a contraction of the muscle. This study is essential for evaluating the functionality of the peripheral nervous system and can help in diagnosing various neuromuscular conditions. The procedure involves the application of electrical stimulation to the nerve and recording the resulting muscle response, providing valuable information about nerve conduction and muscle function. It is important to note that if the study involves muscles other than those in the lower leg, the appropriate code to use would be CPT® Code 95936.

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