ICD-10-CM · Chapter 9 · I00-I99
I63 Cerebral infarction
Includes
- occlusion and stenosis of cerebral and precerebral arteries, resulting in cerebral infarction
Excludes 1 (cannot be coded together)
- neonatal cerebral infarction (P91.82-)
Excludes 2 (not included here)
- chronic, without residual deficits (sequelae) (Z86.73)
- sequelae of cerebral infarction (I69.3-)
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)
- code, if known, to indicate National Institutes of Health Stroke Scale (NIHSS) score (R29.7-)
Subcodes
Each subcode links to a detail page with full clinical annotations.
| Code | Description | Billable |
|---|---|---|
| I63..0 | Cerebral infarction due to thrombosis of precerebral arteries | No |
| I63..00 | Cerebral infarction due to thrombosis of unspecified precerebral artery | Yes |
| I63..01 | Cerebral infarction due to thrombosis of vertebral artery | No |
| I63..011 | Cerebral infarction due to thrombosis of right vertebral artery | Yes |
| I63..012 | Cerebral infarction due to thrombosis of left vertebral artery | Yes |
| I63..013 | Cerebral infarction due to thrombosis of bilateral vertebral arteries | Yes |
| I63..019 | Cerebral infarction due to thrombosis of unspecified vertebral artery | Yes |
| I63..02 | Cerebral infarction due to thrombosis of basilar artery | Yes |
| I63..03 | Cerebral infarction due to thrombosis of carotid artery | No |
| I63..031 | Cerebral infarction due to thrombosis of right carotid artery | Yes |
| I63..032 | Cerebral infarction due to thrombosis of left carotid artery | Yes |
| I63..033 | Cerebral infarction due to thrombosis of bilateral carotid arteries | Yes |
| I63..039 | Cerebral infarction due to thrombosis of unspecified carotid artery | Yes |
| I63..09 | Cerebral infarction due to thrombosis of other precerebral artery | Yes |
| I63..1 | Cerebral infarction due to embolism of precerebral arteries | No |
| I63..10 | Cerebral infarction due to embolism of unspecified precerebral artery | Yes |
| I63..11 | Cerebral infarction due to embolism of vertebral artery | No |
| I63..111 | Cerebral infarction due to embolism of right vertebral artery | Yes |
| I63..112 | Cerebral infarction due to embolism of left vertebral artery | Yes |
| I63..113 | Cerebral infarction due to embolism of bilateral vertebral arteries | Yes |
| I63..119 | Cerebral infarction due to embolism of unspecified vertebral artery | Yes |
| I63..12 | Cerebral infarction due to embolism of basilar artery | Yes |
| I63..13 | Cerebral infarction due to embolism of carotid artery | No |
| I63..131 | Cerebral infarction due to embolism of right carotid artery | Yes |
| I63..132 | Cerebral infarction due to embolism of left carotid artery | Yes |
| I63..133 | Cerebral infarction due to embolism of bilateral carotid arteries | Yes |
| I63..139 | Cerebral infarction due to embolism of unspecified carotid artery | Yes |
| I63..19 | Cerebral infarction due to embolism of other precerebral artery | Yes |
| I63..2 | Cerebral infarction due to unspecified occlusion or stenosis of precerebral arteries | No |
| I63..20 | Cerebral infarction due to unspecified occlusion or stenosis of unspecified precerebral arteries | Yes |
| I63..21 | Cerebral infarction due to unspecified occlusion or stenosis of vertebral arteries | No |
| I63..211 | Cerebral infarction due to unspecified occlusion or stenosis of right vertebral artery | Yes |
| I63..212 | Cerebral infarction due to unspecified occlusion or stenosis of left vertebral artery | Yes |
| I63..213 | Cerebral infarction due to unspecified occlusion or stenosis of bilateral vertebral arteries | Yes |
| I63..219 | Cerebral infarction due to unspecified occlusion or stenosis of unspecified vertebral artery | Yes |
| I63..22 | Cerebral infarction due to unspecified occlusion or stenosis of basilar artery | Yes |
| I63..23 | Cerebral infarction due to unspecified occlusion or stenosis of carotid arteries | No |
| I63..231 | Cerebral infarction due to unspecified occlusion or stenosis of right carotid arteries | Yes |
| I63..232 | Cerebral infarction due to unspecified occlusion or stenosis of left carotid arteries | Yes |
| I63..233 | Cerebral infarction due to unspecified occlusion or stenosis of bilateral carotid arteries | Yes |
| I63..239 | Cerebral infarction due to unspecified occlusion or stenosis of unspecified carotid artery | Yes |
| I63..29 | Cerebral infarction due to unspecified occlusion or stenosis of other precerebral arteries | Yes |
| I63..3 | Cerebral infarction due to thrombosis of cerebral arteries | No |
| I63..30 | Cerebral infarction due to thrombosis of unspecified cerebral artery | Yes |
| I63..31 | Cerebral infarction due to thrombosis of middle cerebral artery | No |
| I63..311 | Cerebral infarction due to thrombosis of right middle cerebral artery | Yes |
| I63..312 | Cerebral infarction due to thrombosis of left middle cerebral artery | Yes |
| I63..313 | Cerebral infarction due to thrombosis of bilateral middle cerebral arteries | Yes |
| I63..319 | Cerebral infarction due to thrombosis of unspecified middle cerebral artery | Yes |
| I63..32 | Cerebral infarction due to thrombosis of anterior cerebral artery | No |
| I63..321 | Cerebral infarction due to thrombosis of right anterior cerebral artery | Yes |
| I63..322 | Cerebral infarction due to thrombosis of left anterior cerebral artery | Yes |
| I63..323 | Cerebral infarction due to thrombosis of bilateral anterior cerebral arteries | Yes |
| I63..329 | Cerebral infarction due to thrombosis of unspecified anterior cerebral artery | Yes |
| I63..33 | Cerebral infarction due to thrombosis of posterior cerebral artery | No |
| I63..331 | Cerebral infarction due to thrombosis of right posterior cerebral artery | Yes |
| I63..332 | Cerebral infarction due to thrombosis of left posterior cerebral artery | Yes |
| I63..333 | Cerebral infarction due to thrombosis of bilateral posterior cerebral arteries | Yes |
| I63..339 | Cerebral infarction due to thrombosis of unspecified posterior cerebral artery | Yes |
| I63..34 | Cerebral infarction due to thrombosis of cerebellar artery | No |
| I63..341 | Cerebral infarction due to thrombosis of right cerebellar artery | Yes |
| I63..342 | Cerebral infarction due to thrombosis of left cerebellar artery | Yes |
| I63..343 | Cerebral infarction due to thrombosis of bilateral cerebellar arteries | Yes |
| I63..349 | Cerebral infarction due to thrombosis of unspecified cerebellar artery | Yes |
| I63..39 | Cerebral infarction due to thrombosis of other cerebral artery | Yes |
| I63..4 | Cerebral infarction due to embolism of cerebral arteries | No |
| I63..40 | Cerebral infarction due to embolism of unspecified cerebral artery | Yes |
| I63..41 | Cerebral infarction due to embolism of middle cerebral artery | No |
| I63..411 | Cerebral infarction due to embolism of right middle cerebral artery | Yes |
| I63..412 | Cerebral infarction due to embolism of left middle cerebral artery | Yes |
| I63..413 | Cerebral infarction due to embolism of bilateral middle cerebral arteries | Yes |
| I63..419 | Cerebral infarction due to embolism of unspecified middle cerebral artery | Yes |
| I63..42 | Cerebral infarction due to embolism of anterior cerebral artery | No |
| I63..421 | Cerebral infarction due to embolism of right anterior cerebral artery | Yes |
| I63..422 | Cerebral infarction due to embolism of left anterior cerebral artery | Yes |
| I63..423 | Cerebral infarction due to embolism of bilateral anterior cerebral arteries | Yes |
| I63..429 | Cerebral infarction due to embolism of unspecified anterior cerebral artery | Yes |
| I63..43 | Cerebral infarction due to embolism of posterior cerebral artery | No |
| I63..431 | Cerebral infarction due to embolism of right posterior cerebral artery | Yes |
| I63..432 | Cerebral infarction due to embolism of left posterior cerebral artery | Yes |
| I63..433 | Cerebral infarction due to embolism of bilateral posterior cerebral arteries | Yes |
| I63..439 | Cerebral infarction due to embolism of unspecified posterior cerebral artery | Yes |
| I63..44 | Cerebral infarction due to embolism of cerebellar artery | No |
| I63..441 | Cerebral infarction due to embolism of right cerebellar artery | Yes |
| I63..442 | Cerebral infarction due to embolism of left cerebellar artery | Yes |
| I63..443 | Cerebral infarction due to embolism of bilateral cerebellar arteries | Yes |
| I63..449 | Cerebral infarction due to embolism of unspecified cerebellar artery | Yes |
| I63..49 | Cerebral infarction due to embolism of other cerebral artery | Yes |
| I63..5 | Cerebral infarction due to unspecified occlusion or stenosis of cerebral arteries | No |
| I63..50 | Cerebral infarction due to unspecified occlusion or stenosis of unspecified cerebral artery | Yes |
| I63..51 | Cerebral infarction due to unspecified occlusion or stenosis of middle cerebral artery | No |
| I63..511 | Cerebral infarction due to unspecified occlusion or stenosis of right middle cerebral artery | Yes |
| I63..512 | Cerebral infarction due to unspecified occlusion or stenosis of left middle cerebral artery | Yes |
| I63..513 | Cerebral infarction due to unspecified occlusion or stenosis of bilateral middle cerebral arteries | Yes |
| I63..519 | Cerebral infarction due to unspecified occlusion or stenosis of unspecified middle cerebral artery | Yes |
| I63..52 | Cerebral infarction due to unspecified occlusion or stenosis of anterior cerebral artery | No |
| I63..521 | Cerebral infarction due to unspecified occlusion or stenosis of right anterior cerebral artery | Yes |
| I63..522 | Cerebral infarction due to unspecified occlusion or stenosis of left anterior cerebral artery | Yes |
| I63..523 | Cerebral infarction due to unspecified occlusion or stenosis of bilateral anterior cerebral arteries | Yes |
| I63..529 | Cerebral infarction due to unspecified occlusion or stenosis of unspecified anterior cerebral artery | Yes |
| I63..53 | Cerebral infarction due to unspecified occlusion or stenosis of posterior cerebral artery | No |
| I63..531 | Cerebral infarction due to unspecified occlusion or stenosis of right posterior cerebral artery | Yes |
| I63..532 | Cerebral infarction due to unspecified occlusion or stenosis of left posterior cerebral artery | Yes |
| I63..533 | Cerebral infarction due to unspecified occlusion or stenosis of bilateral posterior cerebral arteries | Yes |
| I63..539 | Cerebral infarction due to unspecified occlusion or stenosis of unspecified posterior cerebral artery | Yes |
| I63..54 | Cerebral infarction due to unspecified occlusion or stenosis of cerebellar artery | No |
| I63..541 | Cerebral infarction due to unspecified occlusion or stenosis of right cerebellar artery | Yes |
| I63..542 | Cerebral infarction due to unspecified occlusion or stenosis of left cerebellar artery | Yes |
| I63..543 | Cerebral infarction due to unspecified occlusion or stenosis of bilateral cerebellar arteries | Yes |
| I63..549 | Cerebral infarction due to unspecified occlusion or stenosis of unspecified cerebellar artery | Yes |
| I63..59 | Cerebral infarction due to unspecified occlusion or stenosis of other cerebral artery | Yes |
| I63..6 | Cerebral infarction due to cerebral venous thrombosis, nonpyogenic | Yes |
| I63..8 | Other cerebral infarction | No |
| I63..81 | Other cerebral infarction due to occlusion or stenosis of small artery | Yes |
| I63..89 | Other cerebral infarction | Yes |
| I63..9 | Cerebral infarction, unspecified | Yes |
Plain-language term for this code
The following entry in the US Medical Glossary corresponds to ICD-10-CM category I63:
- Stroke — Accidente cerebrovascular
Last reviewed: September 2026