2025 CPT code 95909
Effective Date: N/A Medicine - Neurology and Neuromuscular Procedures Feed
Nerve conduction studies (5-6 studies).
Modifiers such as 26 (professional component) and TC (technical component) may be applicable depending on who performed the service.Modifier 59 may be used to indicate a distinct procedural service.
Medical necessity for nerve conduction studies must be established based on the patient's presenting symptoms, such as pain, numbness, tingling, weakness, or other neurological complaints.The studies should be performed to evaluate suspected nerve damage or dysfunction, such as peripheral neuropathy, carpal tunnel syndrome, or other nerve entrapment syndromes.The documentation should clearly link the nerve conduction studies to the patient's condition and the clinical question being investigated.
A nerve conduction study assesses the function of motor and sensory nerves by measuring the speed of electrical impulse conduction. The physician places electrodes on the nerve, one to stimulate and the other to record the electrical activity. This process is repeated for each nerve being studied, and the recorded waveforms are analyzed. Different types of studies, such as motor, sensory, F-wave, and H-reflex, can be conducted, each evaluating specific parameters like latency, conduction velocity, and amplitude. This code (95909) specifically applies when 5-6 nerve conduction studies are performed. The physician is responsible for preparing the patient, conducting the study, analyzing the results, interpreting the findings, and preparing the report.
In simple words: This procedure involves measuring the electrical activity of your nerves to see how well they're working. The doctor places small sensors on your skin, and tiny electrical pulses are sent through your nerves. This helps them figure out if there's any nerve damage and where it might be located.This code is used when the doctor performs 5-6 of these tests on different nerves.
This code represents 5-6 distinct nerve conduction studies. A single study may be a sensory conduction test, a motor conduction test (with or without F-wave), or an H-reflex test. Each study for a specific nerve, including all orthodromic and antidromic impulses, is counted once, even with stimulations or recordings at multiple sites on that nerve.
Example 1: A patient presents with numbness and tingling in their hand and fingers. To assess for carpal tunnel syndrome, the physician performs nerve conduction studies on the median nerve across multiple sites., A patient experiences weakness in their legs. To determine the cause and location of potential nerve damage, the physician conducts nerve conduction studies on multiple lower extremity nerves., A patient with diabetes exhibits signs of peripheral neuropathy. The physician performs nerve conduction studies on multiple nerves in the patient’s legs and feet to assess the extent of nerve damage and monitor disease progression.
Documentation should include the medical necessity for the study, the patient's symptoms and relevant history, the nerves studied, the stimulation and recording sites, the type of study performed for each nerve (sensory, motor, F-wave, or H-reflex), the measured parameters (latency, amplitude, conduction velocity), the interpretation of the results, and the physician's or other qualified healthcare professional's conclusion or diagnosis.
- Revenue Code: T2D - OTHER TESTS - OTHER
- Modifier TC rule: Modifier TC (technical component) applies when only the technical component of the service is being billed. Modifier 26 (professional component) applies if only the professional component (interpretation and report) is being billed.
- Specialties:Neurology, Physiatry, Clinical Neurophysiology
- Place of Service:Office, Outpatient Hospital, Independent Clinic