G21.3 - Postencephalitic parkinsonism

  • Applicable to Postencephalitic parkinsonism
  • The 2025 edition of ICD10-CM G21.3 became effective on October 1, 2024.
  • This is the American ICD10-CM version of G21.3 - other international versions of ICD10 G21.3 may differ.
  • G21.3 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

The following codes above G21.3 contain annotation back-references that may be applicable to G21.3:

Chapter: G00-G99 Diseases of the nervous system

Section: G20-G26 Extrapyramidal and movement disorders

Category: G21 Secondary parkinsonism

postencephalitic icd 10
 
parkinsonism icd 10
 
Billable/Specific Code

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