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ICD-10-CM Codes G00-G99 G20-G26 G21 G21.3
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ICD-10-CM Diagnosis Code G21.3

Effective Date: 10/01/2015 To 09/30/2025

Postencephalitic parkinsonism

CMS-HCC-V24 CMS-HCC-V28 RxHCC Age Gender Maternity Acute or Chronic MCC
78 199 161 -- -- -- Acute No
Back-references to G21.3
  • Parkinsonism(idiopathic) (primary) G20.C
    • postencephalitic G21.3
      • secondary G21.9
        • due to
          • encephalitis G21.3
        • Related Medications for G21.3

        • scopolamine

        Chapter, Section and Diagnosis Prefix for G21.3
          G00-G99 :

          Diseases of the nervous system

          G20-G26 :

          Extrapyramidal and movement disorders

          G21 :

          Secondary parkinsonism