CPT® Code 95900

Deleted

1. Indications

The nerve conduction study (NCS) is indicated for the evaluation of various conditions and symptoms that may suggest nerve damage or dysfunction. The following are explicitly provided indications for performing this procedure:

• Carpal Tunnel Syndrome - A condition characterized by compression of the median nerve at the wrist, leading to symptoms such as pain, numbness, and tingling in the hand and fingers.
• Nerve Damage - Assessment of potential nerve injury resulting from trauma, surgery, or other medical conditions that may affect nerve integrity.
• Peripheral Neuropathy - Evaluation of nerve function in patients experiencing symptoms like weakness, numbness, or pain in the extremities, often associated with diabetes or other systemic diseases.
• Radiculopathy - Investigation of nerve root compression, which can cause pain, weakness, or sensory changes in the areas supplied by the affected nerve.
• Other Nerve Disorders - General assessment of various neuropathies or conditions affecting nerve function, including hereditary neuropathies and inflammatory conditions.

2. Procedure

The nerve conduction study involves several key procedural steps to ensure accurate assessment of nerve function. The following steps outline the process:

• Preparation of the Patient - The patient is positioned comfortably, and the skin over the area of interest is cleaned to ensure good electrode contact. The physician explains the procedure to the patient to alleviate any concerns and ensure cooperation.
• Electrode Placement - Flat metal disc electrodes are attached to the skin using conductive paste or tape. The shock-emitting electrode is placed over the nerve to be studied, while the recording electrode is positioned over the muscle innervated by that nerve. Proper placement is crucial for obtaining accurate readings.
• Stimulation of the Nerve - Electrical pulses are delivered through the shock-emitting electrode. The intensity and duration of the stimulation are controlled to elicit a response from the nerve without causing discomfort to the patient.
• Recording of Responses - The muscle response is recorded by the recording electrode. The conduction time, which is the interval between the stimulation and the muscle contraction, is measured. Additionally, the amplitude of the response, indicating the strength of the muscle contraction, is documented.
• Analysis of Data - The physician reviews the recorded data, including the latency and velocity of the nerve impulse, to assess the function of the nerve. This analysis helps in diagnosing any underlying nerve disorders.
• Reporting Findings - After completing the study, the physician compiles a written report detailing the findings, which may include interpretations of the results and recommendations for further evaluation or treatment if necessary.

3. Post-Procedure

After the nerve conduction study is completed, there are typically no specific post-procedure care requirements, as the procedure is non-invasive and does not usually result in significant discomfort. Patients may resume their normal activities immediately following the study. However, it is advisable for patients to discuss any unusual symptoms or concerns with their physician during the follow-up appointment. The physician will review the findings from the study and may recommend additional diagnostic tests or treatment options based on the results. It is important for patients to understand the implications of the findings and to follow any further instructions provided by their healthcare provider.