I63.5
Non-Billable
ChapterI00–I99
Ranksubcategory
Official Description
Cerebral infarction due to unspecified occlusion or stenosis of cerebral arteries
Metadata & Insights
- •2026 ICD-10-CM Edition - Effective October 1, 2025.
- •Non-billable category (requires more specific sub-code).
- •Chapter 9: Diseases of the Circulatory System (I00-I99).
General instructions are available for the parent sections:
Clinical Hierarchy
CH9Diseases of the circulatory system (I00-I99)
I60-I69Cerebrovascular diseases (I60-I69)
I63Cerebral infarction
I63.5Cerebral infarction due to unspecified occlusion or stenosis of cerebral arteries
I63.50Cerebral infarction due to unspecified occlusion or stenosis of unspecified cerebral artery
I63.51Cerebral infarction due to unspecified occlusion or stenosis of middle cerebral artery
I63.52Cerebral infarction due to unspecified occlusion or stenosis of anterior cerebral artery
I63.53Cerebral infarction due to unspecified occlusion or stenosis of posterior cerebral artery
I63.54Cerebral infarction due to unspecified occlusion or stenosis of cerebellar artery
I63.59Cerebral infarction due to unspecified occlusion or stenosis of other cerebral artery
Applicable Ancestor Context
The following parent sections contain instructions or notes that apply to I63.5:
Alphabetic Index Mentions
These are Diagnosis Index lookup paths that route to I63.5. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.
11 raw paths
Infarct, infarction2 unique routes
cerebral (acute)(2 variants)
due to(2 variants)
Occlusion, occluded8 unique routes
artery(7 variants)
Softening1 unique routes
MS-DRG Classification
No direct MS-DRG triggers identified.
Cross Reference
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