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I63

⚠ Non-billable (Header)

Cerebral infarction

Diseases of the circulatory system (I00-I99)

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

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✅ Includes

  • • occlusion and stenosis of cerebral and precerebral arteries, resulting in cerebral infarction

❌ Excludes1

direct

Cannot be coded with I63

  • • neonatal cerebral infarction (P91.82-)

⚠️ Excludes2

direct

May be coded together if both conditions coexist

  • • chronic, without residual deficits (sequelae) (Z86.73)
  • • sequelae of cerebral infarction (I69.3-)

Child Codes (9)

I63.0Cerebral infarction due to thrombosis of precerebral arteriesI63.1Cerebral infarction due to embolism of precerebral arteriesI63.2Cerebral infarction due to unspecified occlusion or stenosis of precerebral arteriesI63.3Cerebral infarction due to thrombosis of cerebral arteriesI63.4Cerebral infarction due to embolism of cerebral arteriesI63.5Cerebral infarction due to unspecified occlusion or stenosis of cerebral arteriesI63.6Cerebral infarction due to cerebral venous thrombosis, nonpyogenicI63.8Other cerebral infarctionI63.9Cerebral infarction, unspecified

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Code Information

CodeI63
BillableNo — Header code
CategoryDiseases of the circulatory system (I00-I99)
Excludes11 rule(s)
Excludes22 note(s)
Child codes9

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)