ICD-10 code lookup
ICD-10-CM
Diseases of the nervous system
Chapter 6, G00-G99. CDC FY2027 file dated June 16, 2026.
Ask Rivvi
Codes
- G20.A2Parkinson's disease without dyskinesia, with fluctuations
- G20.BParkinson's disease with dyskinesia
- G20.B1Parkinson's dis with dyskinesia, w/o mention of fluctuations
- G20.B2Parkinson's disease with dyskinesia, with fluctuations
- G20.CParkinsonism, unspecified
- G21Secondary parkinsonism
- G21.0Malignant neuroleptic syndrome
- G21.1Other drug-induced secondary parkinsonism
- G21.11Neuroleptic induced parkinsonism
- G21.19Other 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
- G23Other degenerative diseases of basal ganglia
- G23.0Hallervorden-Spatz disease
- G23.1Progressive supranuclear ophthalmoplegia
- G23.2Striatonigral degeneration
- G23.3Hypomyelination with atrophy of basal ganglia and cerebellum
- G23.8Other specified degenerative diseases of basal ganglia
- G23.9Degenerative disease of basal ganglia, unspecified
- G24Dystonia
- G24.0Drug induced dystonia
- G24.01Drug induced subacute dyskinesia
- G24.02Drug induced acute dystonia
- G24.09Other drug induced dystonia
- G24.1Genetic torsion dystonia
- G24.2Idiopathic nonfamilial dystonia
- G24.3Spasmodic torticollis
- G24.4Idiopathic orofacial dystonia
- G24.5Blepharospasm
- G24.8Other dystonia
- G24.9Dystonia, unspecified
- G25Other extrapyramidal and movement disorders
- G25.0Essential tremor
- G25.1Drug-induced tremor
- G25.2Other specified forms of tremor
- G25.3Myoclonus
- G25.4Drug-induced chorea