G20 Parkinson's disease
ICD-10-CM category G20 sits in Chapter 6 (Diseases of the nervous system, G00-G99). It contains 5 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.
Subcategories
G20.A Parkinson's disease without dyskinesiaG20.B Parkinson's disease with dyskinesia
Billable codes in G20
| Code | Description |
|---|---|
G20.A1 | Parkinson's disease without dyskinesia, without mention of fluctuations |
G20.A2 | Parkinson's disease without dyskinesia, with fluctuations |
G20.B1 | Parkinson's disease with dyskinesia, without mention of fluctuations |
G20.B2 | Parkinson's disease with dyskinesia, with fluctuations |
G20.C | Parkinsonism, unspecified |
Search within ICD-10-CM for G20 and related codes
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