G20.A2

Billable

Parkinson's disease without dyskinesia, with fluctuations

G20.A2 is the ICD-10-CM code for Parkinson's disease without dyskinesia, with fluctuations. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
G00-G99
Parent
G20.A
Edition
FY2026

G00-G99 Diseases of the nervous system

Includes

  • Parkinson's disease without dyskinesia, with OFF episodes

Frequently asked questions

What is ICD-10 code G20.A2?
G20.A2 is the ICD-10-CM code for "Parkinson's disease without dyskinesia, with fluctuations". It falls under G00-G99 Diseases of the nervous system.
Is G20.A2 a billable code?
Yes — G20.A2 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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