I63.9
Cerebral infarction, unspecified
Diseases of the circulatory system Billable
Quick Reference
Acute stroke or established CVA without specification of vessel or mechanism
Clinical Information
When to Use This Code
Acute stroke or established CVA without specification of vessel or mechanism
Common Clinical Scenarios
- Acute ischemic stroke
- CVA with persistent deficits
- Stroke rehabilitation
- Post-stroke management
Documentation Requirements
- Document time of symptom onset for acute stroke
- Record NIH Stroke Scale score
- Note imaging findings (CT or MRI showing infarct)
- Specify deficits: hemiplegia, aphasia, neglect
- Document if tPA administered
Coding Guidelines
Inclusion Terms
These terms are included in this code:
Ischemic strokeCVA (cerebrovascular accident)Brain infarctionCerebral thrombosis
Exclusion Terms
Do NOT use this code for:
- Hemorrhagic stroke (I61.-)
- TIA (G45.9)
- Sequelae of stroke (I69.-)
Coding Notes
Use more specific I63.- codes when vessel identified
For stroke sequelae/late effects, use I69.- codes
Code deficits separately (hemiplegia, aphasia)
Related ICD-10 Codes
Consider these related codes based on patient presentation:
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Code
I63.9
Category
Diseases of the circulatory system
Billable Status
Billable
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