G20.B
Non-billableParkinson's disease with dyskinesia
G20.B is the ICD-10-CM code for Parkinson's disease with dyskinesia. It is a non-billable category code — use a more specific child code such as G20.B1 for billing.
G00-G99 Diseases of the nervous system
Excludes1 — not coded here
- •drug induced dystonia (G24.0-)
Frequently asked questions
- What is ICD-10 code G20.B?
- G20.B is the ICD-10-CM code for "Parkinson's disease with dyskinesia". It falls under G00-G99 Diseases of the nervous system.
- Is G20.B a billable code?
- No — G20.B is a non-billable header code. Use a more specific child code (such as G20.B1) for billing.
- What is excluded from G20.B?
- Excludes1 (not coded here): drug induced dystonia (G24.0-).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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