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I63

Non-billable

Cerebral infarction

I63 is the ICD-10-CM code for Cerebral infarction. It is a non-billable category code — use a more specific child code such as I63.0 for billing.

Status
Header (non-billable)
Chapter
I00-I99
Subcodes
9
Edition
FY2026

I00-I99 Diseases of the circulatory system

Includes

  • •occlusion and stenosis of cerebral and precerebral arteries, resulting in cerebral infarction

Excludes1 — not 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-)

Frequently asked questions

What is ICD-10 code I63?
I63 is the ICD-10-CM code for "Cerebral infarction". It falls under I00-I99 Diseases of the circulatory system.
Is I63 a billable code?
No — I63 is a non-billable header code. Use a more specific child code (such as I63.0) for billing.
What are the subcodes of I63?
I63 has 9 more specific child codes, including I63.0, I63.1, I63.2.
What is excluded from I63?
Excludes1 (not coded here): neonatal cerebral infarction (P91.82-).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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