2024 ICD-10-CM Diagnosis Code G20.A2

Parkinson’s disease without dyskinesia, with fluctuations

• G20.A2 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• ICD-10-CM G20.A2 is a new 2024 ICD-10-CM code that became effective on October 1, 2023.
• This is the American ICD-10-CM version of G20.A2 – other international versions of ICD-10 G20.A2 may differ.

Applicable To

• Parkinson’s disease without dyskinesia, with OFF episodes

The following code(s) above G20.A2 contain annotation back-references

 that may be applicable to G20.A2:

• G00-G99  Diseases of the nervous system
• G20  Parkinson’s disease

ICD-10-CM G20.A2 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

• 056 Degenerative nervous system disorders with mcc
• 057 Degenerative nervous system disorders without mcc

Code History

• 2024 (effective 10/1/2023): New code

Diagnosis Index entries containing back-references to G20.A2:

• Disease, diseased – see also Syndrome
  • Parkinson’sG20.A1
    • without dyskinesia
      • with
        • fluctuations G20.A2
        • OFF episodes G20.A2