8A01.20

ICD-11 MMS 2026-01

Hemichorea

Description

Hemichorea refers to hemibody chorea with brief non repetitive jerks affecting arm and leg on one side with or without involvement of the face.

Index terms

  • Hemichorea
  • Hemichorea due to a focal brain lesion
  • Hemichorea due to cerebral infarct
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  • Hemichorea due to cerebral haemorrhage
  • Hemichorea due to arteriovenous malformation
  • Hemichorea due to surgical lesion
  • Hemichorea due to multiple sclerosis plaque
  • Hemichorea due to tumour
  • Hemichorea due to abscess
  • Hemichorea due to injuries to the head
  • Hemichorea due to hyperosmolar nonketotic state
  • Hemichorea due to certain specified causes

Exclusions from above levels

  • 6A06 – Stereotyped movement disorder
  • 05 – Endocrine, nutritional or metabolic diseases
  • 18 – Complications of pregnancy, childbirth and the puerperium
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  • 19 – Certain conditions originating in the perinatal period
  • 22 – Injury, poisoning or certain other consequences of external causes

Sibling codes

Foundation entity

Hemichorea – http://id.who.int/icd/entity/460051733

Allowed postcoordination axes

Part of: 8A01.2: Hemichorea or hemiballismus › 8A01: Choreiform disorders › 08: Diseases of the nervous system