CPT® Code 95885

Add-On Code

Needle electromyography, each extremity, with related paraspinal areas, when performed, done with nerve conduction, amplitude and latency/velocity study; limited (List separately in addition to code for primary procedure)

Needle electromyography (EMG) is a specialized diagnostic procedure utilized to assess the electrical activity of muscles and the functionality of the nerves that control them. This test is particularly valuable for patients experiencing symptoms such as pain, weakness, numbness, or tingling in the extremities. The procedure is often conducted in conjunction with nerve conduction studies, which evaluate the speed and strength of signals traveling along the nerves. During needle EMG, one or more fine needle electrodes are inserted through the skin into the muscle tissue, allowing for the recording of electrical signals generated by muscle fibers. These recordings can reveal abnormal electrical activity indicative of various neuromuscular disorders, including but not limited to inflammation of the muscles, pinched nerves, intervertebral disc herniation, peripheral nerve damage, muscular dystrophy, amyotrophic lateral sclerosis (ALS), and myasthenia gravis. The test involves the patient performing specific movements of the extremity to capture electrical activity during both muscle contraction and relaxation. The resulting data is displayed graphically as waveforms, which represent the action potentials of the muscle fibers in response to nerve stimulation. Additionally, nerve conduction studies complement the needle EMG by using flat metal disc electrodes placed on the skin to measure the conduction time and amplitude of electrical impulses traveling through the nerves. This comprehensive evaluation provides critical insights into the integrity of the neuromuscular system, enabling healthcare providers to diagnose and manage various neuromuscular conditions effectively. The findings from both the needle EMG and nerve conduction studies are compiled into a detailed report by the physician, which aids in determining the appropriate course of treatment for the patient.