Electrodiagnostics, Lower Extremity - ncs setups, NCS Setups, Sural

Setup – Sural Sensory NCS

Electrode placement (use the bar electrode)

14-cm distance (black to black)
  • E1 (black):  Behind the lateral malleolus
  • E2 (red):  Distally
  • Ground:  Lateral leg (between stimulation and pickup sites)

Stimulation site

  • (-) Cathode (black):  14-cm proximal to E1 (posterolateral calf)
  • (+) Anode (red):  proximal

Additional Information

  • Type of stimulation = Antidromic
  • CPT codes for nerve conduction studies
    • 95900 Nerve conduction, amplitude and latency/velocity study, each nerve; motor, without F-wave study
    • 95903 Nerve conduction, amplitude and latency/velocity study, each nerve; motor with F-wave study
    • 95904 Nerve conduction, amplitude and latency/velocity study, each nerve; motor with F-wave study, each nerve; sensory
    • 95934 H-reflex, amplitude and latency study; record gastrocnemius/soleus muscle
    • 95936 Record muscle other than gastrocnemius/soleus muscle

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