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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 Details

Code
I63.9
Category
Diseases of the circulatory system
Billable Status
Billable

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