ICD-10-CM category
I63: Cerebral infarction
Codes under I63 (Cerebral infarction). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| I63.0 | Cerebral infarction due to thrombosis of precerebral arteries | — |
| I63.0 | Cerebral infarction due to thrombosis of precerebral arteries | — |
| I63.00 | Cerebral infarction due to thrombosis of unspecified precerebral artery | ✓ |
| I63.00 | Cerebral infarction due to thrombosis of unspecified precerebral artery | ✓ |
| I63.01 | Cerebral infarction due to thrombosis of vertebral artery | — |
| I63.01 | Cerebral infarction due to thrombosis of vertebral artery | — |
| I63.1 | Cerebral infarction due to embolism of precerebral arteries | — |
| I63.1 | Cerebral infarction due to embolism of precerebral arteries | — |
| I63.02 | Cerebral infarction due to thrombosis of basilar artery | ✓ |
| I63.02 | Cerebral infarction due to thrombosis of basilar artery | ✓ |
| I63.2 | Cerebral infarction due to unspecified occlusion or stenosis of precerebral arteries | — |
| I63.2 | Cerebral infarction due to unspecified occlusion or stenosis of precerebral arteries | — |
| I63.03 | Cerebral infarction due to thrombosis of carotid artery | — |
| I63.03 | Cerebral infarction due to thrombosis of carotid artery | — |
| I63.3 | Cerebral infarction due to thrombosis of cerebral arteries | — |
| I63.3 | Cerebral infarction due to thrombosis of cerebral arteries | — |
| I63.4 | Cerebral infarction due to embolism of cerebral arteries | — |
| I63.4 | Cerebral infarction due to embolism of cerebral arteries | — |
| I63.5 | Cerebral infarction due to unspecified occlusion or stenosis of cerebral arteries | — |
| I63.5 | Cerebral infarction due to unspecified occlusion or stenosis of cerebral arteries | — |
| I63.6 | Cerebral infarction due to cerebral venous thrombosis, nonpyogenic | ✓ |
| I63.6 | Cerebral infarction due to cerebral venous thrombosis, nonpyogenic | ✓ |
| I63.8 | Other cerebral infarction | — |
| I63.8 | Other cerebral infarction | — |
| I63.09 | Cerebral infarction due to thrombosis of other precerebral artery | ✓ |
| I63.09 | Cerebral infarction due to thrombosis of other precerebral artery | ✓ |
| I63.9 | Cerebral infarction, unspecified | ✓ |
| I63.9 | Cerebral infarction, unspecified | ✓ |
| I63.10 | Cerebral infarction due to embolism of unspecified precerebral artery | ✓ |
| I63.10 | Cerebral infarction due to embolism of unspecified precerebral artery | ✓ |
| I63.011 | Cerebral infarction due to thrombosis of right vertebral artery | ✓ |
| I63.011 | Cerebral infarction due to thrombosis of right vertebral artery | ✓ |
| I63.11 | Cerebral infarction due to embolism of vertebral artery | — |
| I63.11 | Cerebral infarction due to embolism of vertebral artery | — |
| I63.012 | Cerebral infarction due to thrombosis of left vertebral artery | ✓ |
| I63.012 | Cerebral infarction due to thrombosis of left vertebral artery | ✓ |
| I63.12 | Cerebral infarction due to embolism of basilar artery | ✓ |
| I63.12 | Cerebral infarction due to embolism of basilar artery | ✓ |
| I63.013 | Cerebral infarction due to thrombosis of bilateral vertebral arteries | ✓ |
| I63.013 | Cerebral infarction due to thrombosis of bilateral vertebral arteries | ✓ |
| I63.13 | Cerebral infarction due to embolism of carotid artery | — |
| I63.13 | Cerebral infarction due to embolism of carotid artery | — |
| I63.019 | Cerebral infarction due to thrombosis of unspecified vertebral artery | ✓ |
| I63.019 | Cerebral infarction due to thrombosis of unspecified vertebral artery | ✓ |
| I63.19 | Cerebral infarction due to embolism of other precerebral artery | ✓ |
| I63.19 | Cerebral infarction due to embolism of other precerebral artery | ✓ |
| I63.20 | Cerebral infarction due to unspecified occlusion or stenosis of unspecified 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 | — |
| I63.21 | Cerebral infarction due to unspecified occlusion or stenosis of vertebral arteries | — |
| I63.22 | Cerebral infarction due to unspecified occlusion or stenosis of basilar 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 | — |
| I63.23 | Cerebral infarction due to unspecified occlusion or stenosis of carotid arteries | — |
| I63.29 | Cerebral infarction due to unspecified occlusion or stenosis of other precerebral arteries | ✓ |
| I63.29 | Cerebral infarction due to unspecified occlusion or stenosis of other precerebral arteries | ✓ |
| I63.30 | Cerebral infarction due to thrombosis of unspecified cerebral artery | ✓ |
| I63.30 | Cerebral infarction due to thrombosis of unspecified cerebral artery | ✓ |
| I63.031 | Cerebral infarction due to thrombosis of right carotid artery | ✓ |
| I63.031 | Cerebral infarction due to thrombosis of right carotid artery | ✓ |
| I63.31 | Cerebral infarction due to thrombosis of middle cerebral artery | — |
| I63.31 | Cerebral infarction due to thrombosis of middle cerebral artery | — |
| I63.032 | Cerebral infarction due to thrombosis of left carotid artery | ✓ |
| I63.032 | Cerebral infarction due to thrombosis of left carotid artery | ✓ |
| I63.32 | Cerebral infarction due to thrombosis of anterior cerebral artery | — |
| I63.32 | Cerebral infarction due to thrombosis of anterior cerebral artery | — |
| I63.033 | Cerebral infarction due to thrombosis of bilateral carotid arteries | ✓ |
| I63.033 | Cerebral infarction due to thrombosis of bilateral carotid arteries | ✓ |
| I63.33 | Cerebral infarction due to thrombosis of posterior cerebral artery | — |
| I63.33 | Cerebral infarction due to thrombosis of posterior cerebral artery | — |
| I63.34 | Cerebral infarction due to thrombosis of cerebellar artery | — |
| I63.34 | Cerebral infarction due to thrombosis of cerebellar artery | — |
| I63.039 | Cerebral infarction due to thrombosis of unspecified carotid artery | ✓ |
| I63.039 | Cerebral infarction due to thrombosis of unspecified carotid artery | ✓ |
| I63.39 | Cerebral infarction due to thrombosis of other cerebral artery | ✓ |
| I63.39 | Cerebral infarction due to thrombosis of other cerebral artery | ✓ |
| I63.40 | Cerebral infarction due to embolism of unspecified cerebral artery | ✓ |
| I63.40 | Cerebral infarction due to embolism of unspecified cerebral artery | ✓ |
| I63.41 | Cerebral infarction due to embolism of middle cerebral artery | — |
| I63.41 | Cerebral infarction due to embolism of middle cerebral artery | — |
| I63.42 | Cerebral infarction due to embolism of anterior cerebral artery | — |
| I63.42 | Cerebral infarction due to embolism of anterior cerebral artery | — |
| I63.43 | Cerebral infarction due to embolism of posterior cerebral artery | — |
| I63.43 | Cerebral infarction due to embolism of posterior cerebral artery | — |
| I63.44 | Cerebral infarction due to embolism of cerebellar artery | — |
| I63.44 | Cerebral infarction due to embolism of cerebellar artery | — |
| I63.49 | Cerebral infarction due to embolism of other cerebral artery | ✓ |
| I63.49 | Cerebral infarction due to embolism of other cerebral artery | ✓ |
| I63.50 | Cerebral infarction due to unspecified occlusion or stenosis of unspecified cerebral artery | ✓ |
| 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 | — |
| I63.51 | Cerebral infarction due to unspecified occlusion or stenosis of middle cerebral artery | — |
| I63.52 | Cerebral infarction due to unspecified occlusion or stenosis of anterior cerebral artery | — |
| I63.52 | Cerebral infarction due to unspecified occlusion or stenosis of anterior cerebral artery | — |
| I63.53 | Cerebral infarction due to unspecified occlusion or stenosis of posterior cerebral artery | — |
| I63.53 | Cerebral infarction due to unspecified occlusion or stenosis of posterior cerebral artery | — |
| I63.54 | Cerebral infarction due to unspecified occlusion or stenosis of cerebellar artery | — |
| I63.54 | Cerebral infarction due to unspecified occlusion or stenosis of cerebellar artery | — |
| I63.59 | Cerebral infarction due to unspecified occlusion or stenosis of other cerebral artery | ✓ |
| I63.59 | Cerebral infarction due to unspecified occlusion or stenosis of other cerebral artery | ✓ |
| I63.81 | Other cerebral infarction due to occlusion or stenosis of small artery | ✓ |
| I63.81 | Other cerebral infarction due to occlusion or stenosis of small artery | ✓ |
| I63.89 | Other cerebral infarction | ✓ |
| I63.89 | Other cerebral infarction | ✓ |
| I63.111 | Cerebral infarction due to embolism of right vertebral artery | ✓ |
| I63.111 | Cerebral infarction due to embolism of right vertebral artery | ✓ |
| I63.112 | Cerebral infarction due to embolism of left vertebral artery | ✓ |
| I63.112 | Cerebral infarction due to embolism of left vertebral artery | ✓ |
| I63.113 | Cerebral infarction due to embolism of bilateral vertebral arteries | ✓ |
| I63.113 | Cerebral infarction due to embolism of bilateral vertebral arteries | ✓ |
| I63.119 | Cerebral infarction due to embolism of unspecified vertebral artery | ✓ |
| I63.119 | Cerebral infarction due to embolism of unspecified vertebral artery | ✓ |
| I63.131 | Cerebral infarction due to embolism of right carotid artery | ✓ |
| I63.131 | Cerebral infarction due to embolism of right carotid artery | ✓ |
| I63.132 | Cerebral infarction due to embolism of left carotid artery | ✓ |
| I63.132 | Cerebral infarction due to embolism of left carotid artery | ✓ |
| I63.133 | Cerebral infarction due to embolism of bilateral carotid arteries | ✓ |
| I63.133 | Cerebral infarction due to embolism of bilateral carotid arteries | ✓ |
| I63.139 | Cerebral infarction due to embolism of unspecified carotid artery | ✓ |
| I63.139 | Cerebral infarction due to embolism of unspecified carotid artery | ✓ |
| I63.211 | Cerebral infarction due to unspecified occlusion or stenosis of right vertebral artery | ✓ |
| 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 | ✓ |
| I63.212 | 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 | ✓ |
| I63.213 | 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 | ✓ |
| I63.219 | Cerebral infarction due to unspecified occlusion or stenosis of unspecified vertebral artery | ✓ |
| I63.231 | Cerebral infarction due to unspecified occlusion or stenosis of right 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 | ✓ |
| I63.232 | 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 | ✓ |
| I63.233 | 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 | ✓ |
| I63.239 | Cerebral infarction due to unspecified occlusion or stenosis of unspecified carotid artery | ✓ |
| I63.311 | Cerebral infarction due to thrombosis of right 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 | ✓ |
| I63.312 | Cerebral infarction due to thrombosis of left middle cerebral artery | ✓ |
| I63.313 | Cerebral infarction due to thrombosis of bilateral middle cerebral arteries | ✓ |
| I63.313 | Cerebral infarction due to thrombosis of bilateral middle cerebral arteries | ✓ |
| I63.319 | Cerebral infarction due to thrombosis of unspecified middle cerebral artery | ✓ |
| I63.319 | Cerebral infarction due to thrombosis of unspecified middle cerebral artery | ✓ |
| I63.321 | Cerebral infarction due to thrombosis of right 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 | ✓ |
| I63.322 | Cerebral infarction due to thrombosis of left anterior cerebral artery | ✓ |
| I63.323 | Cerebral infarction due to thrombosis of bilateral anterior cerebral arteries | ✓ |
| I63.323 | Cerebral infarction due to thrombosis of bilateral anterior cerebral arteries | ✓ |
| I63.329 | Cerebral infarction due to thrombosis of unspecified anterior cerebral artery | ✓ |
| I63.329 | Cerebral infarction due to thrombosis of unspecified anterior cerebral artery | ✓ |
| I63.331 | Cerebral infarction due to thrombosis of right 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 | ✓ |
| I63.332 | Cerebral infarction due to thrombosis of left posterior cerebral artery | ✓ |
| I63.333 | Cerebral infarction due to thrombosis of bilateral posterior cerebral arteries | ✓ |
| I63.333 | Cerebral infarction due to thrombosis of bilateral posterior cerebral arteries | ✓ |
| I63.339 | Cerebral infarction due to thrombosis of unspecified posterior cerebral artery | ✓ |
| I63.339 | Cerebral infarction due to thrombosis of unspecified posterior cerebral artery | ✓ |
| I63.341 | Cerebral infarction due to thrombosis of right cerebellar artery | ✓ |
| I63.341 | Cerebral infarction due to thrombosis of right cerebellar artery | ✓ |
| I63.342 | Cerebral infarction due to thrombosis of left cerebellar artery | ✓ |
| I63.342 | Cerebral infarction due to thrombosis of left cerebellar artery | ✓ |
| I63.343 | Cerebral infarction due to thrombosis of bilateral cerebellar arteries | ✓ |
| I63.343 | Cerebral infarction due to thrombosis of bilateral cerebellar arteries | ✓ |
| I63.349 | Cerebral infarction due to thrombosis of unspecified cerebellar artery | ✓ |
| I63.349 | Cerebral infarction due to thrombosis of unspecified cerebellar artery | ✓ |
| I63.411 | Cerebral infarction due to embolism of right 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 | ✓ |
| I63.412 | Cerebral infarction due to embolism of left middle cerebral artery | ✓ |
| I63.413 | Cerebral infarction due to embolism of bilateral middle cerebral arteries | ✓ |
| I63.413 | Cerebral infarction due to embolism of bilateral middle cerebral arteries | ✓ |
| I63.419 | Cerebral infarction due to embolism of unspecified middle cerebral artery | ✓ |
| I63.419 | Cerebral infarction due to embolism of unspecified middle cerebral artery | ✓ |
| I63.421 | Cerebral infarction due to embolism of right 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 | ✓ |
| I63.422 | Cerebral infarction due to embolism of left anterior cerebral artery | ✓ |
| I63.423 | Cerebral infarction due to embolism of bilateral anterior cerebral arteries | ✓ |
| I63.423 | Cerebral infarction due to embolism of bilateral anterior cerebral arteries | ✓ |
| I63.429 | Cerebral infarction due to embolism of unspecified anterior cerebral artery | ✓ |
| I63.429 | Cerebral infarction due to embolism of unspecified anterior cerebral artery | ✓ |
| I63.431 | Cerebral infarction due to embolism of right 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 | ✓ |
| I63.432 | Cerebral infarction due to embolism of left posterior cerebral artery | ✓ |
| I63.433 | Cerebral infarction due to embolism of bilateral posterior cerebral arteries | ✓ |
| I63.433 | Cerebral infarction due to embolism of bilateral posterior cerebral arteries | ✓ |
| I63.439 | Cerebral infarction due to embolism of unspecified posterior cerebral artery | ✓ |
| I63.439 | Cerebral infarction due to embolism of unspecified posterior cerebral artery | ✓ |
| I63.441 | Cerebral infarction due to embolism of right cerebellar artery | ✓ |
| I63.441 | Cerebral infarction due to embolism of right cerebellar artery | ✓ |
| I63.442 | Cerebral infarction due to embolism of left cerebellar artery | ✓ |
| I63.442 | Cerebral infarction due to embolism of left cerebellar artery | ✓ |
| I63.443 | Cerebral infarction due to embolism of bilateral cerebellar arteries | ✓ |
| I63.443 | Cerebral infarction due to embolism of bilateral cerebellar arteries | ✓ |
| I63.449 | Cerebral infarction due to embolism of unspecified cerebellar artery | ✓ |
| I63.449 | Cerebral infarction due to embolism of unspecified cerebellar artery | ✓ |
| I63.511 | Cerebral infarction due to unspecified occlusion or stenosis of right 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 | ✓ |
| I63.512 | 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 | ✓ |
| I63.513 | 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 | ✓ |
| I63.519 | Cerebral infarction due to unspecified occlusion or stenosis of unspecified middle cerebral artery | ✓ |
| I63.521 | Cerebral infarction due to unspecified occlusion or stenosis of right 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 | ✓ |
| I63.522 | 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 | ✓ |
| I63.523 | 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 | ✓ |
| I63.529 | Cerebral infarction due to unspecified occlusion or stenosis of unspecified anterior cerebral artery | ✓ |
| I63.531 | Cerebral infarction due to unspecified occlusion or stenosis of right 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 | ✓ |
| I63.532 | 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 | ✓ |
| I63.533 | 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 | ✓ |
| I63.539 | Cerebral infarction due to unspecified occlusion or stenosis of unspecified posterior cerebral artery | ✓ |
| I63.541 | Cerebral infarction due to unspecified occlusion or stenosis of right 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 | ✓ |
| I63.542 | 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 | ✓ |
| I63.543 | 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 | ✓ |
| I63.549 | Cerebral infarction due to unspecified occlusion or stenosis of unspecified cerebellar artery | ✓ |
Frequently asked questions
What is ICD-10-CM code I63?
I63 is an ICD-10-CM category covering Cerebral infarction. It contains 232 more specific diagnosis codes, 182 of which are billable.
Is I63 a billable code?
No — I63 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example I63.0 — Cerebral infarction due to thrombosis of precerebral arteries). 182 of the 232 codes under I63 are billable.
What codes fall under I63?
I63 includes I63.0, I63.0, I63.00, I63.00, I63.01, plus 227 more. See the full list with descriptions and billable status above.
More free billing tools: all ICD-10 categories · ICD-10 search · denial codes · Medicare fees
Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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