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ICD-10-CM · FY 2026 APRIL UPDATE

I63.3

Cerebral infarction due to thrombosis of cerebral arteries

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
I63.30Cerebral infarction due to thrombosis of unspecified cerebral arteryBillable
I63.31Cerebral infarction due to thrombosis of middle cerebral arteryCategory
I63.311Cerebral infarction due to thrombosis of right middle cerebral arteryBillable
I63.312Cerebral infarction due to thrombosis of left middle cerebral arteryBillable
I63.313Cerebral infarction due to thrombosis of bilateral middle cerebral arteriesBillable
I63.319Cerebral infarction due to thrombosis of unspecified middle cerebral arteryBillable
I63.32Cerebral infarction due to thrombosis of anterior cerebral arteryCategory
I63.321Cerebral infarction due to thrombosis of right anterior cerebral arteryBillable
I63.322Cerebral infarction due to thrombosis of left anterior cerebral arteryBillable
I63.323Cerebral infarction due to thrombosis of bilateral anterior cerebral arteriesBillable
I63.329Cerebral infarction due to thrombosis of unspecified anterior cerebral arteryBillable
I63.33Cerebral infarction due to thrombosis of posterior cerebral arteryCategory
I63.331Cerebral infarction due to thrombosis of right posterior cerebral arteryBillable
I63.332Cerebral infarction due to thrombosis of left posterior cerebral arteryBillable
I63.333Cerebral infarction due to thrombosis of bilateral posterior cerebral arteriesBillable
I63.339Cerebral infarction due to thrombosis of unspecified posterior cerebral arteryBillable
I63.34Cerebral infarction due to thrombosis of cerebellar arteryCategory
I63.341Cerebral infarction due to thrombosis of right cerebellar arteryBillable
I63.342Cerebral infarction due to thrombosis of left cerebellar arteryBillable
I63.343Cerebral infarction due to thrombosis of bilateral cerebellar arteriesBillable
I63.349Cerebral infarction due to thrombosis of unspecified cerebellar arteryBillable
I63.39Cerebral infarction due to thrombosis of other cerebral arteryBillable

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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.

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