ICD-10-CM

Diseases of the nervous system (G00-G99)

Extrapyramidal and movement disorders (G20-G26)

G20: Parkinson's disease

G21: Secondary parkinsonism

G23: Other degenerative diseases of basal ganglia

G25: Other extrapyramidal and movement disorders

G26: Extrapyramidal and movement disorders in diseases classified elsewhere