Eli's Rehab Report
Return to Your Documentation for EMG Coding
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Question: If I am billing an office EMG of one extremity with two motor and two sensory, and the doctor does four repetitive stimulations on the same muscle, should I use a modifier on the repetitive stimulation? If so, can I list this as four units, or do I have to list them individually? Answer: Time to look back at your documentation. Ask your provider whether he is performing neuromuscular junction testing (NMJ).
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NMJ is a diagnostic test in which the physician repetitively stimulates the muscle(s) innervated by a specific nerve. Physicians often use NMJ to confirm myasthenia gravis.
If so, you should report 95937 (Neuromuscular junction testing [repetitive stimulation, paired stimuli], each nerve, any one method). This CPT code is based on documentation of each nerve tested rather than muscles or number of stimulations.
Eli's Rehab Report
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