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ICD-10-CM · FY 2026 APRIL UPDATE

I63

Cerebral infarction

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
I63.0Cerebral infarction due to thrombosis of precerebral arteriesCategory
I63.00Cerebral infarction due to thrombosis of unspecified precerebral arteryBillable
I63.01Cerebral infarction due to thrombosis of vertebral arteryCategory
I63.011Cerebral infarction due to thrombosis of right vertebral arteryBillable
I63.012Cerebral infarction due to thrombosis of left vertebral arteryBillable
I63.013Cerebral infarction due to thrombosis of bilateral vertebral arteriesBillable
I63.019Cerebral infarction due to thrombosis of unspecified vertebral arteryBillable
I63.02Cerebral infarction due to thrombosis of basilar arteryBillable
I63.03Cerebral infarction due to thrombosis of carotid arteryCategory
I63.031Cerebral infarction due to thrombosis of right carotid arteryBillable
I63.032Cerebral infarction due to thrombosis of left carotid arteryBillable
I63.033Cerebral infarction due to thrombosis of bilateral carotid arteriesBillable
I63.039Cerebral infarction due to thrombosis of unspecified carotid arteryBillable
I63.09Cerebral infarction due to thrombosis of other precerebral arteryBillable
I63.1Cerebral infarction due to embolism of precerebral arteriesCategory
I63.10Cerebral infarction due to embolism of unspecified precerebral arteryBillable
I63.11Cerebral infarction due to embolism of vertebral arteryCategory
I63.111Cerebral infarction due to embolism of right vertebral arteryBillable
I63.112Cerebral infarction due to embolism of left vertebral arteryBillable
I63.113Cerebral infarction due to embolism of bilateral vertebral arteriesBillable
I63.119Cerebral infarction due to embolism of unspecified vertebral arteryBillable
I63.12Cerebral infarction due to embolism of basilar arteryBillable
I63.13Cerebral infarction due to embolism of carotid arteryCategory
I63.131Cerebral infarction due to embolism of right carotid arteryBillable
I63.132Cerebral infarction due to embolism of left carotid arteryBillable
I63.133Cerebral infarction due to embolism of bilateral carotid arteriesBillable
I63.139Cerebral infarction due to embolism of unspecified carotid arteryBillable
I63.19Cerebral infarction due to embolism of other precerebral arteryBillable
I63.2Cerebral infarction due to unspecified occlusion or stenosis of precerebral arteriesCategory
I63.20Cerebral infarction due to unspecified occlusion or stenosis of unspecified precerebral arteriesBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.