ICD-10-CM › I00-I99 › I60-I69 › I63 Cerebral infarction › I63.2
Cerebral infarction due to unspecified occlusion or stenosis of precerebral arteries
Not billableICD-10-CM diagnosis code.
This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.
Submit one of these 5 more specific codes instead:
- 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 (also a header)
- 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 (also a header)
- I63.29 Cerebral infarction due to unspecified occlusion or stenosis of other precerebral arteries
What has happened to this code
Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2012 Added to the draft code set draft Cerebral infarction due to unspecified occlusion or stenosis of precerebral arteries
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from I63 Cerebral infarction
Excludes1 - never coded here
- neonatal cerebral infarction (P91.82-)
Excludes2 - 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-)
Includes
- occlusion and stenosis of cerebral and precerebral arteries, resulting in cerebral infarction
Inherited from the I60-I69 section Cerebrovascular diseases (I60-I69)
Excludes1 - never coded here
- traumatic intracranial hemorrhage (S06.-)
Use additional code
- code to identify presence of:
- alcohol abuse and dependence (F10.-)
- exposure to environmental tobacco smoke (Z77.22)
- history of tobacco dependence (Z87.891)
- hypertension (I10-I1A)
- occupational exposure to environmental tobacco smoke (Z57.31)
- tobacco dependence (F17.-)
- tobacco use (Z72.0)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Stroke > cryptogenic
- Infarct, infarction > brain
- Paralysis, paralytic > stroke
- Infarct, infarction > cerebellar
- Infarct, infarction > cerebral > due to > stenosis NEC > precerebral arteries
- Infarct, infarction > cerebral > due to > occlusion NEC > precerebral arteries
Codes in the same group
| Code | Description | Status |
|---|---|---|
| I63.0 | Cerebral infarction due to thrombosis of precerebral arteries | Not billable |
| I63.1 | Cerebral infarction due to embolism of precerebral arteries | Not billable |
| I63.3 | Cerebral infarction due to thrombosis of cerebral arteries | Not billable |
| I63.4 | Cerebral infarction due to embolism of cerebral arteries | Not billable |
| I63.5 | Cerebral infarction due to unspecified occlusion or stenosis of cerebral arteries | Not billable |
| I63.6 | Cerebral infarction due to cerebral venous thrombosis, nonpyogenic | Valid |
| I63.8 | Other cerebral infarction | Not billable |
| I63.9 | Cerebral infarction, unspecified | Valid |