I63.9
ICD-10BillableCerebral infarction, unspecified
Official ICD-10-CM descriptor (FY2026)
Cerebral infarction, unspecified
I63.9 is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Stroke NOS
Excludes2
Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.
- transient cerebral ischemic attacks and related syndromes (G45.-)
Related codes in I63
- I63.0Cerebral infarction due to thrombosis of precerb arteriescategory
- I63.1Cerebral infarction due to embolism of precerebral arteriescategory
- I63.2Cerebral infrc due to unsp occls or stenosis of precerb artcategory
- I63.3Cerebral infarction due to thrombosis of cerebral arteriescategory
- I63.4Cerebral infarction due to embolism of cerebral arteriescategory
- I63.5Cerebral infrc due to unsp occls or stenosis of cerebral artcategory
- I63.6Cerebral infrc due to cerebral venous thombos, nonpyogenic
- I63.8Other cerebral infarctioncategory
Where this code sits
- Parent code
- I63
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.