G20 PARKINSON'S DISEASE

Code Information

  • Diagnosis Code: G20
  • Short Description: Parkinson's disease
  • Long Description: Parkinson's disease
  • Code Version: 2025 ICD-10-CM

The code G20 is NOT VALID for claim submission

Code Classification

References to Index of Diseases and Injuries

The code G20 has the following ICD-10-CM references to the Index of Diseases and Injuries

  • Inclusion Terms:
    • Hemiparkinsonism
    • Idiopathic Parkinsonism or Parkinson's disease
    • Paralysis agitans
    • Primary Parkinsonism or Parkinson's disease

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
G20 Right Arrow 332.0 Paralysis agitans
This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
G20.A Parkinson's disease without dyskinesia
G20.A1 Parkinson's disease without dyskinesia, without mention of fluctuations
G20.A2 Parkinson's disease without dyskinesia, with fluctuations
G20.B Parkinson's disease with dyskinesia
G20.B1 Parkinson's disease with dyskinesia, without mention of fluctuations
G20.B2 Parkinson's disease with dyskinesia, with fluctuations
G20.C Parkinsonism, unspecified
This page was last updated on: 10/1/2025
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