2024 ICD-10-CM Diagnosis Code G20.A

by

Parkinson’s disease without dyskinesia

  • G20.A should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • ICD-10-CM G20.A 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.A – other international versions of ICD-10 G20.A may differ.

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

 that may be applicable to G20.A:

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

Code History

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

Code annotations containing back-references to G20.A:

  • Type 1 Excludes: G20.C