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G81.9

⚠ Non-billable (Header)

Hemiplegia, unspecified

Diseases of the nervous system (G00-G99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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❌ Excludes1

inherited from G81

Rules from parent category G81: Hemiplegia and hemiparesis

  • • congenital cerebral palsy (G80.-)
  • • hemiplegia and hemiparesis due to sequela of cerebrovascular disease (I69.05-, I69.15-, I69.25-, I69.35-, I69.85-, I69.95-)

Child Codes (5)

G81.90Hemiplegia, unspecified affecting unspecified sideG81.91Hemiplegia, unspecified affecting right dominant sideG81.92Hemiplegia, unspecified affecting left dominant sideG81.93Hemiplegia, unspecified affecting right nondominant sideG81.94Hemiplegia, unspecified affecting left nondominant side

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Code Information

CodeG81.9
BillableNo — Header code
ParentG81
CategoryDiseases of the nervous system (G00-G99)
Excludes12 rule(s)
Excludes20 note(s)
Child codes5

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)