8A01.1

ICD-11 MMS 2026-01

Secondary Chorea

Description

Chorea consists of irregular, non-repetitive, brief, jerky, flowing movements that move randomly from one part of the body to another. Chorea can be seen in a variety of metabolic, immunological and other disorders and is termed secondary chorea.

Excludes

  • 8A01.0 – Benign hereditary chorea

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

Child codes

  • 8A01.10 – Huntington disease
  • 8A01.11 – Chorea due to Huntington disease-like conditions
  • 8A01.12 – Chorea due to Dentatorubral pallidoluysian atrophy
  • 8A01.13 – Chorea due to Wilson disease
  • 8A01.14 – Chorea due to infectious or para-infectious causes
  • 8A01.15 – Chorea due to systemic lupus erythematosus
  • 8A01.16 – Drug-induced chorea
  • 8A01.1Y – Other specified secondary chorea
  • 8A01.1Z – Secondary chorea, unspecified

Sibling codes

  • 8A01.0 – Benign hereditary chorea
  • 8A01.2 – Hemichorea or hemiballismus
  • 8A01.Y – Other specified choreiform disorders
  • 8A01.Z – Choreiform disorders, unspecified

Foundation entity

Secondary Chorea – http://id.who.int/icd/entity/527743894

Allowed postcoordination axes

Part of: 8A01: Choreiform disorders › 08: Diseases of the nervous system