8A00.0

ICD-11 MMS 2026-01

Parkinson disease

Description

Parkinson Disease is a gradual onset progressive degenerative disease whose cardinal manifestations include bradykinesia plus one of the following-tremor, rigidity or postural instability. Nonmotor manifestations include autonomic dysfunction and neuropsychiatric features.

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

  • 8A00.00 – Sporadic Parkinson disease
  • 8A00.01 – Familial Parkinson disease
  • 8A00.0Y – Other specified Parkinson disease
  • 8A00.0Z – Parkinson disease, unspecified

Sibling codes

  • 8A00.1 – Atypical parkinsonism
  • 8A00.2 – Secondary parkinsonism
  • 8A00.3 – Functional parkinsonism
  • 8A00.Y – Other specified parkinsonism
  • 8A00.Z – Parkinsonism, unspecified

Foundation entity

Parkinson disease – http://id.who.int/icd/entity/296066191

Allowed postcoordination axes

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