You may not need an EMG-unless you have pain, tingling, weakness, or numbness in your arm or leg. Back or neck pain after a car accident.There are situations when you might not need the tests: An EMG or NCS may cost from $150 to $500.Discomfort where the needles are inserted.Dermatomal SEP: This test uses electrodes and small electric shocks to look for pinched nerves.Īll three tests are safe, but they do have some downsides and risks.The test measures how your nerves respond. These send small electrical shocks to your nerves. During an NCS, electrodes are placed on the skin of your arm or leg. NCS (nerve conduction study): This is a test to see if your nerves are working correctly. ![]() A small, thin needle is inserted into muscles in your arm or leg.
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