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

What this means — in plain language

MedlinePlus · NIH

What is an ischemic stroke? A stroke happens when there is a loss of blood flow to part of the brain. Your brain cells cannot get the oxygen and nutrients they need from blood, and they start to die within a few minutes. This can cause lasting brain damage, long-term disability, or even death. There are two main types of strokes, ischemic and hemorrhagic . Ischemic stroke is the more common type. An ischemic stroke…

Read more about Ischemic Stroke at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

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-)

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

Conditions mapped to this code

MedlinePlus · NIH

Plain-language health-topic references grounded in MedlinePlus (NIH/NLM).

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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