8C20

ICD-11 MMS 2026-01

Hereditary motor and sensory neuropathy

Inclusions

  • Hereditary motor and sensory neuropathy, types I-IV

Exclusions from above levels

  • FB56 – neuritis NOS
  • http://id.who.int/icd/entity/114997967 – Injury of nerves or lumbar spinal cord at abdomen, lower back or pelvis level
  • http://id.who.int/icd/entity/1454363907 – Injury of nerves or spinal cord at neck level
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  • NA04 – Injury of cranial nerves
  • NC14 – Injury of nerves at shoulder or upper arm level
  • NC34 – Injury of nerves at forearm level
  • NC55 – Injury of nerves at wrist or hand level
  • NC74 – Injury of nerves at hip or thigh level
  • NC94 – Injury of nerves at lower leg level
  • ND15 – Injury of nerves at ankle or foot level
  • 05 – Endocrine, nutritional or metabolic diseases
  • 18 – Complications of pregnancy, childbirth and the puerperium
  • 19 – Certain conditions originating in the perinatal period
  • 22 – Injury, poisoning or certain other consequences of external causes

Child codes

  • 8C20.0 – Charcot-Marie-Tooth disease 1 demyelinating
  • 8C20.1 – Charcot-Marie-Tooth disease 2 axonal
  • 8C20.2 – Intermediate Charcot-Marie-Tooth disease
  • 8C20.Y – Other specified hereditary motor and sensory neuropathy
  • 8C20.Z – Hereditary motor and sensory neuropathy, unspecified

Sibling codes

  • 8C21 – Hereditary sensory or autonomic neuropathy
  • 8C2Y – Other specified hereditary neuropathy
  • 8C2Z – Hereditary neuropathy, unspecified

Foundation entity

Hereditary motor and sensory neuropathy – http://id.who.int/icd/entity/1538134578

Part of: 08: Diseases of the nervous system