How is diabetic polyneuropathy staged?

Updated: Jan 17, 2020
  • Author: Dianna Quan, MD; Chief Editor: Romesh Khardori, MD, PhD, FACP  more...
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Diabetic polyneuropathy is commonly staged as follows:

  • NO - No neuropathy

  • N1a - Signs but no symptoms of neuropathy

  • N2a - Symptomatic mild diabetic polyneuropathy; sensory, motor, or autonomic symptoms; patient is able to heel-walk

  • N2b - Severe symptomatic diabetic polyneuropathy; patient is unable to heel-walk)

  • N3 - Disabling diabetic polyneuropathy

See Clinical Presentation for more detail.

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