I63.421
✓ BillableCerebral infarction due to embolism of right anterior cerebral artery
Diseases of the circulatory system (I00-I99)
✅ No additional coding notes for I63.421
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CodeI63.421
BillableYes
ParentI63.42
CategoryDiseases of the circulatory system (I00-I99)
Excludes10 rule(s)
Excludes20 note(s)
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)