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ICDMine.com › Browse ICD-10-CM Codes › Ch. 6: Diseases of the nervous system (G00-G99) › Extrapyramidal and movement disorders (G20-G26) › G21 Secondary parkinsonism › G21.0

G21.0Malignant neuroleptic syndrome

ICD-10-CM billable/specific code — part of Extrapyramidal and movement disorders (G20-G26)

Code Details

BillableYes
ChapterChapter 6: Diseases of the nervous system (G00-G99)
SectionExtrapyramidal and movement disorders (G20-G26)
Parent codeG21 — Secondary parkinsonism

Coding Notes

Excludes1 (never code both together)

  • neuroleptic induced parkinsonism (G21.11)

Use Additional Code

  • code for adverse effect, if applicable, to identify drug (T43.3X5, T43.4X5, T43.505, T43.595)
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