ICD10
ICD-10 Code I63.8: Other cerebral infarction
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Diseases of the circulatory system (I00-I99).
đź“‹Clinical overview
This ICD-10 code is commonly used when documentation describes another specified cerebral-infarction pattern that does not fit the named major-vessel thrombosis, embolic, venous-thrombosis, or unspecified branches. The most accurate code depends on whether the record clarifies a more specific mechanism or vessel pattern.
When is it used?
- May be used when a clinician documents other cerebral infarction in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code may act more like a grouping or parent code, so a more specific child code may be used in final documentation when available.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
- This entry may represent a broader category rather than the most specific billable code.
đź©şClinical context
When commonly used
- Stroke, neurology, inpatient, and utilization-review documentation where ischemic stroke is documented but does not fit the more common named-vessel families.
- Coding workflows where the chart identifies another specified cerebral-infarction pattern such as small-artery occlusion or stenosis.
Common management context
- Evaluation often includes neurologic examination, brain and vascular imaging review, acute-stroke assessment context, and follow-up of ischemic deficits or stroke-risk factors.
- Documentation usually becomes more specific when the chart names a particular small-vessel mechanism or clarifies another more specific arterial pattern.
- Specialist context already linked on this page includes Cardiologist, General Physician, Neurologist, Stroke Specialist.
🔍Key distinctions
Important notes
- This ICD-10 family captures residual specified cerebral-infarction patterns that do not fit the main thrombosis, embolic, venous-thrombosis, or unspecified branches.
- Small-artery occlusion or stenosis is separated here from the larger named precerebral and cerebral artery families.
- This parent page groups residual cerebral-infarction codes that do not fit the named arterial-thrombosis, arterial-embolism, cerebral-venous-thrombosis, or unspecified branches.
- This title reflects another specified cerebral-infarction pattern that does not fit the more common named-vessel branches, so clearer chart language about mechanism or vessel can change code specificity.
Related codes to consider
I63.81Other cerebral infarction due to occlusion or stenosis of small artery
Related cerebral-infarction ICD-10 code; documentation often becomes more specific when the chart identifies a named artery, a thrombotic versus embolic mechanism, or another better-defined stroke pattern.
I63.89Other cerebral infarction
Related cerebral-infarction ICD-10 code; documentation often becomes more specific when the chart identifies a named artery, a thrombotic versus embolic mechanism, or another better-defined stroke pattern.
Code hierarchy
chapter
9Diseases of the circulatory system (I00-I99)
block
I60-I69Cerebrovascular diseases
category
I63Cerebral infarction
currentI63
Where you may see this code
You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen.
Related specialists
CardiologistGeneral PhysicianNeurologistStroke Specialist
Related codes
Sibling codes
I63.0Cerebral infarction due to thrombosis of precerebral arteriesI63.1Cerebral infarction due to embolism of precerebral arteriesI63.2Cerebral infarction due to unspecified occlusion or stenosis of precerebral arteriesI63.3Cerebral infarction due to thrombosis of cerebral arteriesI63.4Cerebral infarction due to embolism of cerebral arteriesI63.5Cerebral infarction due to unspecified occlusion or stenosis of cerebral arteriesI63.6Cerebral infarction due to cerebral venous thrombosis, nonpyogenicbillableI63.9Cerebral infarction, unspecifiedbillable
Mapped diagnoses and classifications
SNOMED_CT 230707007high
Anterior cerebral circulation haemorrhagic infarction
Source: SNOMED International ICD-10 map
SNOMED_CT 788883008high
Cerebral ischaemic stroke due to hypercoagulable state
Source: SNOMED International ICD-10 map
SNOMED_CT 788881005high
Cerebral ischemic stroke due to aortic arch embolism
Source: SNOMED International ICD-10 map
SNOMED_CT 788880006high
Cerebral ischemic stroke due to dissection of artery
Source: SNOMED International ICD-10 map
SNOMED_CT 788882003high
Cerebral ischemic stroke due to global hypoperfusion with watershed infarct
Source: SNOMED International ICD-10 map
SNOMED_CT 724425005high
Cerebral ischemic stroke due to intracranial large artery atherosclerosis
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy code aligns to an official FY 2026 category. Frontend should resolve to the official category page and surface the billable child codes.
Legacy codes
I63.8
Replacement codes
I63.81 — Other cerebral infarction due to occlusion or stenosis of small arteryI63.89 — Other cerebral infarction
Common synonyms
Other cerebral infarction
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.