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I63 Cerebral infarction

ICD-10-CM category I63 sits in Chapter 9 (Diseases of the circulatory system, I00-I99). It contains 91 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.

Subcategories

I63.0 Cerebral infarction due to thrombosis of precerb arteriesI63.01 Cerebral infarction due to thrombosis of vertebral arteryI63.03 Cerebral infarction due to thrombosis of carotid arteryI63.1 Cerebral infarction due to embolism of precerebral arteriesI63.11 Cerebral infarction due to embolism of vertebral arteryI63.13 Cerebral infarction due to embolism of carotid arteryI63.2 Cerebral infrc due to unsp occls or stenosis of precerb artI63.21 Cerebral infrc due to unsp occls or stenosis of verteb artI63.23 Cerebral infrc due to unsp occls or stenosis of carotid artI63.3 Cerebral infarction due to thrombosis of cerebral arteriesI63.31 Cerebral infrc due to thrombosis of middle cerebral arteryI63.32 Cerebral infrc due to thrombosis of anterior cerebral arteryI63.33 Cerebral infrc due to thombos of posterior cerebral arteryI63.34 Cerebral infarction due to thrombosis of cerebellar arteryI63.4 Cerebral infarction due to embolism of cerebral arteriesI63.41 Cerebral infrc due to embolism of middle cerebral arteryI63.42 Cerebral infrc due to embolism of anterior cerebral arteryI63.43 Cerebral infrc due to embolism of posterior cerebral arteryI63.44 Cerebral infarction due to embolism of cerebellar arteryI63.5 Cerebral infrc due to unsp occls or stenosis of cerebral artI63.51 Cereb infrc due to unsp occls or stenos of middle cereb artI63.52 Cereb infrc due to unsp occls or stenos of ant cereb arteryI63.53 Cereb infrc due to unsp occls or stenos of post cereb arteryI63.54 Cereb infrc due to unsp occls or stenosis of cereblr arteryI63.8 Other cerebral infarction

Billable codes in I63

CodeDescription
I63.00Cerebral infarction due to thrombosis of unspecified precerebral artery
I63.011Cerebral infarction due to thrombosis of right vertebral artery
I63.012Cerebral infarction due to thrombosis of left vertebral artery
I63.013Cerebral infarction due to thrombosis of bilateral vertebral arteries
I63.019Cerebral infarction due to thrombosis of unspecified vertebral artery
I63.02Cerebral infarction due to thrombosis of basilar artery
I63.031Cerebral infarction due to thrombosis of right carotid artery
I63.032Cerebral infarction due to thrombosis of left carotid artery
I63.033Cerebral infarction due to thrombosis of bilateral carotid arteries
I63.039Cerebral infarction due to thrombosis of unspecified carotid artery
I63.09Cerebral infarction due to thrombosis of other precerebral artery
I63.10Cerebral infarction due to embolism of unspecified precerebral artery
I63.111Cerebral infarction due to embolism of right vertebral artery
I63.112Cerebral infarction due to embolism of left vertebral artery
I63.113Cerebral infarction due to embolism of bilateral vertebral arteries
I63.119Cerebral infarction due to embolism of unspecified vertebral artery
I63.12Cerebral infarction due to embolism of basilar artery
I63.131Cerebral infarction due to embolism of right carotid artery
I63.132Cerebral infarction due to embolism of left carotid artery
I63.133Cerebral infarction due to embolism of bilateral carotid arteries
I63.139Cerebral infarction due to embolism of unspecified carotid artery
I63.19Cerebral infarction due to embolism of other precerebral artery
I63.20Cerebral infarction due to unspecified occlusion or stenosis of unspecified precerebral arteries
I63.211Cerebral infarction due to unspecified occlusion or stenosis of right vertebral artery
I63.212Cerebral infarction due to unspecified occlusion or stenosis of left vertebral artery
I63.213Cerebral infarction due to unspecified occlusion or stenosis of bilateral vertebral arteries
I63.219Cerebral infarction due to unspecified occlusion or stenosis of unspecified vertebral artery
I63.22Cerebral infarction due to unspecified occlusion or stenosis of basilar artery
I63.231Cerebral infarction due to unspecified occlusion or stenosis of right carotid arteries
I63.232Cerebral infarction due to unspecified occlusion or stenosis of left carotid arteries
I63.233Cerebral infarction due to unspecified occlusion or stenosis of bilateral carotid arteries
I63.239Cerebral infarction due to unspecified occlusion or stenosis of unspecified carotid artery
I63.29Cerebral infarction due to unspecified occlusion or stenosis of other precerebral arteries
I63.30Cerebral infarction due to thrombosis of unspecified cerebral artery
I63.311Cerebral infarction due to thrombosis of right middle cerebral artery
I63.312Cerebral infarction due to thrombosis of left middle cerebral artery
I63.313Cerebral infarction due to thrombosis of bilateral middle cerebral arteries
I63.319Cerebral infarction due to thrombosis of unspecified middle cerebral artery
I63.321Cerebral infarction due to thrombosis of right anterior cerebral artery
I63.322Cerebral infarction due to thrombosis of left anterior cerebral artery
I63.323Cerebral infarction due to thrombosis of bilateral anterior cerebral arteries
I63.329Cerebral infarction due to thrombosis of unspecified anterior cerebral artery
I63.331Cerebral infarction due to thrombosis of right posterior cerebral artery
I63.332Cerebral infarction due to thrombosis of left posterior cerebral artery
I63.333Cerebral infarction due to thrombosis of bilateral posterior cerebral arteries
I63.339Cerebral infarction due to thrombosis of unspecified posterior cerebral artery
I63.341Cerebral infarction due to thrombosis of right cerebellar artery
I63.342Cerebral infarction due to thrombosis of left cerebellar artery
I63.343Cerebral infarction due to thrombosis of bilateral cerebellar arteries
I63.349Cerebral infarction due to thrombosis of unspecified cerebellar artery
I63.39Cerebral infarction due to thrombosis of other cerebral artery
I63.40Cerebral infarction due to embolism of unspecified cerebral artery
I63.411Cerebral infarction due to embolism of right middle cerebral artery
I63.412Cerebral infarction due to embolism of left middle cerebral artery
I63.413Cerebral infarction due to embolism of bilateral middle cerebral arteries
I63.419Cerebral infarction due to embolism of unspecified middle cerebral artery
I63.421Cerebral infarction due to embolism of right anterior cerebral artery
I63.422Cerebral infarction due to embolism of left anterior cerebral artery
I63.423Cerebral infarction due to embolism of bilateral anterior cerebral arteries
I63.429Cerebral infarction due to embolism of unspecified anterior cerebral artery
I63.431Cerebral infarction due to embolism of right posterior cerebral artery
I63.432Cerebral infarction due to embolism of left posterior cerebral artery
I63.433Cerebral infarction due to embolism of bilateral posterior cerebral arteries
I63.439Cerebral infarction due to embolism of unspecified posterior cerebral artery
I63.441Cerebral infarction due to embolism of right cerebellar artery
I63.442Cerebral infarction due to embolism of left cerebellar artery
I63.443Cerebral infarction due to embolism of bilateral cerebellar arteries
I63.449Cerebral infarction due to embolism of unspecified cerebellar artery
I63.49Cerebral infarction due to embolism of other cerebral artery
I63.50Cerebral infarction due to unspecified occlusion or stenosis of unspecified cerebral artery
I63.511Cerebral infarction due to unspecified occlusion or stenosis of right middle cerebral artery
I63.512Cerebral infarction due to unspecified occlusion or stenosis of left middle cerebral artery
I63.513Cerebral infarction due to unspecified occlusion or stenosis of bilateral middle cerebral arteries
I63.519Cerebral infarction due to unspecified occlusion or stenosis of unspecified middle cerebral artery
I63.521Cerebral infarction due to unspecified occlusion or stenosis of right anterior cerebral artery
I63.522Cerebral infarction due to unspecified occlusion or stenosis of left anterior cerebral artery
I63.523Cerebral infarction due to unspecified occlusion or stenosis of bilateral anterior cerebral arteries
I63.529Cerebral infarction due to unspecified occlusion or stenosis of unspecified anterior cerebral artery
I63.531Cerebral infarction due to unspecified occlusion or stenosis of right posterior cerebral artery
I63.532Cerebral infarction due to unspecified occlusion or stenosis of left posterior cerebral artery
I63.533Cerebral infarction due to unspecified occlusion or stenosis of bilateral posterior cerebral arteries
I63.539Cerebral infarction due to unspecified occlusion or stenosis of unspecified posterior cerebral artery
I63.541Cerebral infarction due to unspecified occlusion or stenosis of right cerebellar artery
I63.542Cerebral infarction due to unspecified occlusion or stenosis of left cerebellar artery
I63.543Cerebral infarction due to unspecified occlusion or stenosis of bilateral cerebellar arteries
I63.549Cerebral infarction due to unspecified occlusion or stenosis of unspecified cerebellar artery
I63.59Cerebral infarction due to unspecified occlusion or stenosis of other cerebral artery
I63.6Cerebral infarction due to cerebral venous thrombosis, nonpyogenic
I63.81Other cerebral infarction due to occlusion or stenosis of small artery
I63.89Other cerebral infarction
I63.9Cerebral infarction, unspecified

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