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G25.3

✓ Billable

Myoclonus

Diseases of the nervous system (G00-G99)

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Also Known As

Drug-induced myoclonusPalatal myoclonus

📋 Code Instructions

  • • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

❌ Excludes1

direct

Cannot be coded with G25.3

  • • facial myokymia (G51.4)
  • • myoclonic epilepsy (G40.-)

⚠️ Excludes2

inherited from G25

Rules from parent category G25: Other extrapyramidal and movement disorders

  • • sleep related movement disorders (G47.6-)

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Code Information

CodeG25.3
BillableYes
ParentG25
CategoryDiseases of the nervous system (G00-G99)
Excludes12 rule(s)
Excludes21 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)