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G202026

Non-billable

Parkinson's disease

G20 is a non-billable ICD-10-CM category (header) code for Parkinson's disease; a more specific code below it is required for claims in the FY2026 code set.

Clinical Notes

Frequently Asked Questions

Code Hierarchy
G20
Parkinson's disease
...without dyskinesia
...dyskinesia
Parkinsonism, unspecified

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Related MS-DRGs
204,225 Medicare hospitalizations across 2 DRGs for codes in G20

Top DRGs associated with codes in this category:

057DEGENERATIVE NERVOUS SYSTEM DISORDERS WITHOUT MCC132,325
056DEGENERATIVE NERVOUS SYSTEM DISORDERS WITH MCC71,900
Official Guidelines
Chapter 6: Diseases of the Nervous System

Official coding guidelines for G00-G99

Parkinson's disease - ICD-10-CM Code G20 2026 | FindICD10