G20-G26
Extrapyramidal and movement disorders
- G20Parkinson's disease
- G21.0Malignant neuroleptic syndrome
- G21.1Other drug-induced secondary parkinsonism
- G21.2Secondary parkinsonism due to other external agents
- G21.3Postencephalitic parkinsonism
- G21.4Vascular parkinsonism
- G21.8Other secondary parkinsonism
- G21.9Secondary parkinsonism, unspecified
- G22Parkinsonism in diseases classified elsewhere
- G23.0Hallervorden-Spatz disease
- G23.1Progressive supranuclear ophthalmoplegia [Steele-Richardson-Olszewski]
- G23.2Striatonigral degeneration
- G23.8Other specified degenerative diseases of basal ganglia
- G23.9Degenerative disease of basal ganglia, unspecified
- G24.0Drug-induced dystonia
- G24.1Idiopathic familial dystonia
- G24.2Idiopathic nonfamilial dystonia
- G24.3Spasmodic torticollis
- G24.4Idiopathic orofacial dystonia
- G24.5Blepharospasm
- G24.8Other dystonia
- G24.9Dystonia, unspecified
- G25.0Essential tremor
- G25.1Drug-induced tremor
- G25.2Other specified forms of tremor
- G25.3Myoclonus
- G25.4Drug-induced chorea
- G25.5Other chorea
- G25.6Drug-induced tics and other tics of organic origin
- G25.8Other specified extrapyramidal and movement disorders
- G25.9Extrapyramidal and movement disorder, unspecified
- G26Extrapyramidal and movement disorders in diseases classified elsewhere