ICD-10-CM I63: Cerebral infarction

ICD-10-CM Diagnosis Code (2025)

Official Description for I63

Cerebral infarction

Coding Notes & Guidelines for I63

Includes Notes

occlusion and stenosis of cerebral and precerebral arteries, resulting in cerebral infarction

Excludes1: Not Coded Here

neonatal cerebral infarction (P91.82-)

Excludes2: Not Included Here
  • chronic, without residual deficits (sequelae) (Z86.73)
  • sequelae of cerebral infarction (I69.3-)
Excludes2: Not Included Here

transient cerebral ischemic attacks and related syndromes (G45.-)

Use Additional Code

code, if applicable, to identify status post administration of tPA (rtPA) in a different facility within the last 24 hours prior to admission to current facility (Z92.82)

Use Additional Code

code, if known, to indicate National Institutes of Health Stroke Scale (NIHSS) score (R29.7-)

Inclusion Terms

Lacunar infarction

Inclusion Terms

Stroke NOS

Child Codes (More Specific Codes for I63):

I63.0 - Cerebral infarction due to thrombosis of precerebral arteries I63.00 - Cerebral infarction due to thrombosis of unspecified precerebral artery I63.01 - Cerebral infarction due to thrombosis of vertebral artery I63.011 - Cerebral infarction due to thrombosis of right vertebral artery I63.012 - Cerebral infarction due to thrombosis of left vertebral artery I63.013 - Cerebral infarction due to thrombosis of bilateral vertebral arteries I63.019 - Cerebral infarction due to thrombosis of unspecified vertebral artery I63.02 - Cerebral infarction due to thrombosis of basilar artery I63.03 - Cerebral infarction due to thrombosis of carotid artery I63.031 - Cerebral infarction due to thrombosis of right carotid artery I63.032 - Cerebral infarction due to thrombosis of left carotid artery I63.033 - Cerebral infarction due to thrombosis of bilateral carotid arteries I63.039 - Cerebral infarction due to thrombosis of unspecified carotid artery I63.09 - Cerebral infarction due to thrombosis of other precerebral artery I63.1 - Cerebral infarction due to embolism of precerebral arteries I63.10 - Cerebral infarction due to embolism of unspecified precerebral artery I63.11 - Cerebral infarction due to embolism of vertebral artery I63.111 - Cerebral infarction due to embolism of right vertebral artery I63.112 - Cerebral infarction due to embolism of left vertebral artery I63.113 - Cerebral infarction due to embolism of bilateral vertebral arteries I63.119 - Cerebral infarction due to embolism of unspecified vertebral artery I63.12 - Cerebral infarction due to embolism of basilar artery I63.13 - Cerebral infarction due to embolism of carotid artery I63.131 - Cerebral infarction due to embolism of right carotid artery I63.132 - Cerebral infarction due to embolism of left carotid artery I63.133 - Cerebral infarction due to embolism of bilateral carotid arteries I63.139 - Cerebral infarction due to embolism of unspecified carotid artery I63.19 - Cerebral infarction due to embolism of other precerebral artery I63.2 - Cerebral infarction due to unspecified occlusion or stenosis of precerebral arteries I63.20 - Cerebral infarction due to unspecified occlusion or stenosis of unspecified precerebral arteries I63.21 - Cerebral infarction due to unspecified occlusion or stenosis of vertebral arteries I63.211 - Cerebral infarction due to unspecified occlusion or stenosis of right vertebral artery I63.212 - Cerebral infarction due to unspecified occlusion or stenosis of left vertebral artery I63.213 - Cerebral infarction due to unspecified occlusion or stenosis of bilateral vertebral arteries I63.219 - Cerebral infarction due to unspecified occlusion or stenosis of unspecified vertebral artery I63.22 - Cerebral infarction due to unspecified occlusion or stenosis of basilar artery I63.23 - Cerebral infarction due to unspecified occlusion or stenosis of carotid arteries I63.231 - Cerebral infarction due to unspecified occlusion or stenosis of right carotid arteries I63.232 - Cerebral infarction due to unspecified occlusion or stenosis of left carotid arteries I63.233 - Cerebral infarction due to unspecified occlusion or stenosis of bilateral carotid arteries I63.239 - Cerebral infarction due to unspecified occlusion or stenosis of unspecified carotid artery I63.29 - Cerebral infarction due to unspecified occlusion or stenosis of other precerebral arteries I63.3 - Cerebral infarction due to thrombosis of cerebral arteries I63.30 - Cerebral infarction due to thrombosis of unspecified cerebral artery I63.31 - Cerebral infarction due to thrombosis of middle cerebral artery I63.311 - Cerebral infarction due to thrombosis of right middle cerebral artery I63.312 - Cerebral infarction due to thrombosis of left middle cerebral artery I63.313 - Cerebral infarction due to thrombosis of bilateral middle cerebral arteries I63.319 - Cerebral infarction due to thrombosis of unspecified middle cerebral artery I63.32 - Cerebral infarction due to thrombosis of anterior cerebral artery I63.321 - Cerebral infarction due to thrombosis of right anterior cerebral artery I63.322 - Cerebral infarction due to thrombosis of left anterior cerebral artery I63.323 - Cerebral infarction due to thrombosis of bilateral anterior cerebral arteries I63.329 - Cerebral infarction due to thrombosis of unspecified anterior cerebral artery I63.33 - Cerebral infarction due to thrombosis of posterior cerebral artery I63.331 - Cerebral infarction due to thrombosis of right posterior cerebral artery I63.332 - Cerebral infarction due to thrombosis of left posterior cerebral artery I63.333 - Cerebral infarction due to thrombosis of bilateral posterior cerebral arteries I63.339 - Cerebral infarction due to thrombosis of unspecified posterior cerebral artery I63.34 - Cerebral infarction due to thrombosis of cerebellar artery I63.341 - Cerebral infarction due to thrombosis of right cerebellar artery I63.342 - Cerebral infarction due to thrombosis of left cerebellar artery I63.343 - Cerebral infarction due to thrombosis of bilateral cerebellar arteries I63.349 - Cerebral infarction due to thrombosis of unspecified cerebellar artery I63.39 - Cerebral infarction due to thrombosis of other cerebral artery I63.4 - Cerebral infarction due to embolism of cerebral arteries I63.40 - Cerebral infarction due to embolism of unspecified cerebral artery I63.41 - Cerebral infarction due to embolism of middle cerebral artery I63.411 - Cerebral infarction due to embolism of right middle cerebral artery I63.412 - Cerebral infarction due to embolism of left middle cerebral artery I63.413 - Cerebral infarction due to embolism of bilateral middle cerebral arteries I63.419 - Cerebral infarction due to embolism of unspecified middle cerebral artery I63.42 - Cerebral infarction due to embolism of anterior cerebral artery I63.421 - Cerebral infarction due to embolism of right anterior cerebral artery I63.422 - Cerebral infarction due to embolism of left anterior cerebral artery I63.423 - Cerebral infarction due to embolism of bilateral anterior cerebral arteries I63.429 - Cerebral infarction due to embolism of unspecified anterior cerebral artery I63.43 - Cerebral infarction due to embolism of posterior cerebral artery I63.431 - Cerebral infarction due to embolism of right posterior cerebral artery I63.432 - Cerebral infarction due to embolism of left posterior cerebral artery I63.433 - Cerebral infarction due to embolism of bilateral posterior cerebral arteries I63.439 - Cerebral infarction due to embolism of unspecified posterior cerebral artery I63.44 - Cerebral infarction due to embolism of cerebellar artery I63.441 - Cerebral infarction due to embolism of right cerebellar artery I63.442 - Cerebral infarction due to embolism of left cerebellar artery I63.443 - Cerebral infarction due to embolism of bilateral cerebellar arteries I63.449 - Cerebral infarction due to embolism of unspecified cerebellar artery I63.49 - Cerebral infarction due to embolism of other cerebral artery I63.5 - Cerebral infarction due to unspecified occlusion or stenosis of cerebral arteries I63.50 - Cerebral infarction due to unspecified occlusion or stenosis of unspecified cerebral artery I63.51 - Cerebral infarction due to unspecified occlusion or stenosis of middle cerebral artery I63.511 - Cerebral infarction due to unspecified occlusion or stenosis of right middle cerebral artery I63.512 - Cerebral infarction due to unspecified occlusion or stenosis of left middle cerebral artery I63.513 - Cerebral infarction due to unspecified occlusion or stenosis of bilateral middle cerebral arteries I63.519 - Cerebral infarction due to unspecified occlusion or stenosis of unspecified middle cerebral artery I63.52 - Cerebral infarction due to unspecified occlusion or stenosis of anterior cerebral artery I63.521 - Cerebral infarction due to unspecified occlusion or stenosis of right anterior cerebral artery I63.522 - Cerebral infarction due to unspecified occlusion or stenosis of left anterior cerebral artery I63.523 - Cerebral infarction due to unspecified occlusion or stenosis of bilateral anterior cerebral arteries I63.529 - Cerebral infarction due to unspecified occlusion or stenosis of unspecified anterior cerebral artery I63.53 - Cerebral infarction due to unspecified occlusion or stenosis of posterior cerebral artery I63.531 - Cerebral infarction due to unspecified occlusion or stenosis of right posterior cerebral artery I63.532 - Cerebral infarction due to unspecified occlusion or stenosis of left posterior cerebral artery I63.533 - Cerebral infarction due to unspecified occlusion or stenosis of bilateral posterior cerebral arteries I63.539 - Cerebral infarction due to unspecified occlusion or stenosis of unspecified posterior cerebral artery I63.54 - Cerebral infarction due to unspecified occlusion or stenosis of cerebellar artery I63.541 - Cerebral infarction due to unspecified occlusion or stenosis of right cerebellar artery I63.542 - Cerebral infarction due to unspecified occlusion or stenosis of left cerebellar artery I63.543 - Cerebral infarction due to unspecified occlusion or stenosis of bilateral cerebellar arteries I63.549 - Cerebral infarction due to unspecified occlusion or stenosis of unspecified cerebellar artery I63.59 - Cerebral infarction due to unspecified occlusion or stenosis of other cerebral artery I63.6 - Cerebral infarction due to cerebral venous thrombosis, nonpyogenic I63.8 - Other cerebral infarction I63.81 - Other cerebral infarction due to occlusion or stenosis of small artery I63.89 - Other cerebral infarction I63.9 - Cerebral infarction, unspecified

About ICD-10-CM Code I63 (Cerebral infarction)

ICD-10-CM code I63 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM I63 became effective on October 1, 2024.

This page provides detailed information about I63 - Cerebral infarction. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Cerebral infarction.