NCV Both Limbs

NCV both limbs test (nerve conduction velocity in both arms and legs) measures how fast and how strongly peripheral nerves transmit electrical signals to detect nerve injury or disease (e.g., neuropathy, carpal tunnel). Surface electrodes stimulate and record motor and sensory responses; it’s brief and may cause mild discomfort. Often paired with EMG. No special prep, but tell the clinician about medications, implants, or bleeding disorders.

Costs vary by country and facility. In India typical lab fees run about ₹500–3,000. In the UK the NCV test is free on the NHS; private clinics charge roughly £150–£400. In the US out‑of‑pocket prices are commonly $200–$1,500 (higher if combined with EMG). Insurance or public coverage often reduces or eliminates patient cost; ask the provider for estimates.

A nerve conduction velocity (NCV) test causes brief, mild to moderate discomfort—like quick electric shocks, tingling, or aching—when nerves are stimulated. Intensity varies by person and tested nerve; most people tolerate it well. You may feel temporary soreness or numbness afterward that clears in hours to days. The procedure is short, safe, and doesn’t cause lasting nerve damage.

Peripheral nerve conduction velocity (NCV) in the lower limb is generally lower than the upper limb. Normal motor NCV (tibial, peroneal) is about 40–45 m/s, while sensory NCV (sural) is roughly 40–50 m/s. A commonly used cutoff is >40 m/s for lower-limb nerves; slower velocities suggest demyelination, compression, or neuropathy and warrant further testing.

Yes. Nerve conduction studies (NCV) measure the speed and strength of electrical signals along peripheral nerves, helping identify nerve damage, focal entrapment, demyelinating disease (slowed conduction) and axonal loss (reduced amplitudes). NCV is often paired with EMG. It has limits: it poorly assesses small‑fiber neuropathy and proximal/central lesions, so normal results don’t entirely rule out nerve disease.

No — NCV (nerve conduction velocity) is not a blood test. It’s a neurophysiology test that measures electrical signals along peripheral nerves by stimulating a nerve with small electrical pulses and recording responses with surface electrodes. It helps diagnose neuropathies, entrapment syndromes (e.g., carpal tunnel) and nerve injuries. It’s often done with electromyography (EMG) and isn’t invasive like blood tests.