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ICD-10-CM/Diseases of the nervous system

G20-G26

Extrapyramidal and movement disorders (G20-G26)

G20-G26 contains 6 categories and 58 ICD-10-CM codes for FY2027.

G20Parkinson's disease5 billable
G21Secondary parkinsonism8 billable
G23Other degenerative diseases of basal ganglia6 billable
G24Dystonia10 billable
G25Other extrapyramidal and movement disorders16 billable
G26Extrapyramidal and movement disorders in diseases classified elsewhere1 billable

Every ICD-10-CM code, and whether you can actually bill it

Built directly from the official ICD-10-CM FY2027 release published by the CDC / National Center for Health Statistics and CMS.

FY2027 codes are valid for encounters from October 1, 2026 through September 30, 2027.

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