G20.A
Parkinson's disease without dyskinesia
- Release
- FY 2027
- Effective
Hierarchy
Where G20.A sits in the official hierarchy. Each level is the code it is classified under.
- G20 Parent Parkinson's disease
- G20.A This code Parkinson's disease without dyskinesia
Official Coding Notes
Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.
Use Additional Code
dementia with anxiety ( F02.84 , F02.A4 , F02.B4 , F02.C4 )
Inherited from G20 — Parkinson's disease
Use Additional Code
dementia with behavioral disturbance ( F02.81- , F02.A1- , F02.B1- , F02.C1- )
Inherited from G20 — Parkinson's disease
Use Additional Code
dementia with mood disturbance ( F02.83 , F02.A3 , F02.B3 , F02.C3 )
Inherited from G20 — Parkinson's disease
Use Additional Code
dementia with psychotic disturbance ( F02.82 , F02.A2 , F02.B2 , F02.C2 )
Inherited from G20 — Parkinson's disease
More Specific Codes
2 codes under G20.A
Version History
How G20.A appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentParkinson's disease without dyskinesia
-
FY 2026 Effective
UnchangedParkinson's disease without dyskinesia
Related Codes
Other codes under G20
Codes whose official notes reference G20.A
Data Source
Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.
- Release
- FY 2027
- Effective
- Source file
- icd10cm-code-descriptions-2027.zip
Official ICD-10-CM source files (opens in a new tab)
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