8A00.2

ICD-11 MMS 2026-01

Secondary parkinsonism

Description

Secondary parkinsonism is a term used to describe Parkinsonism due to a known agent such as drugs, infections, toxins or structural lesions.

Exclusions from above levels

  • http://id.who.int/icd/entity/1425591047 – Myasthenia gravis or certain specified neuromuscular junction disorders
  • http://id.who.int/icd/entity/1525792972 – Arthropathies
  • 6A06 – Stereotyped movement disorder
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  • 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

  • 8A00.20 – Parkinsonism due to heredodegenerative disorders
  • 8A00.21 – Hemiparkinsonism hemiatrophy syndrome
  • 8A00.22 – Infectious or postinfectious parkinsonism
  • 8A00.23 – Vascular parkinsonism
  • 8A00.24 – Drug-induced parkinsonism
  • 8A00.25 – Post traumatic Parkinsonism
  • 8A00.26 – Parkinsonism due to structural lesions
  • 8A00.2Y – Other specified secondary parkinsonism
  • 8A00.2Z – Secondary parkinsonism, unspecified

Sibling codes

  • 8A00.0 – Parkinson disease
  • 8A00.1 – Atypical parkinsonism
  • 8A00.3 – Functional parkinsonism
  • 8A00.Y – Other specified parkinsonism
  • 8A00.Z – Parkinsonism, unspecified

Foundation entity

Secondary parkinsonism – http://id.who.int/icd/entity/502110033

Allowed postcoordination axes

Part of: 8A00: Parkinsonism › 08: Diseases of the nervous system