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I63 ⚠ Non-billable

Cerebral infarction

ICD-10-CM · FY2026 · Diseases of the Circulatory System

Code
I63
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Diseases of the Circulatory System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
📖 In-depth coding guide ICD-10 Code for Stroke — I63.9, Z86.73 & I69 Guide →

Official coding notes

From CMS's ICD-10-CM Tabular List.

Includes
  • occlusion and stenosis of cerebral and precerebral arteries, resulting in cerebral infarction
Excludes1 — never code together
  • neonatal cerebral infarction (P91.82-)
Excludes2 — not included here, but may code together
  • 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)

Frequently asked questions

What is ICD-10 code I63?
ICD-10-CM code I63 represents Cerebral infarction. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Circulatory System chapter, effective October 1, 2025 – September 30, 2026.
Is I63 billable?
No. I63 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is I63 in?
I63 belongs to the Diseases of the Circulatory System chapter (I00–I99) of ICD-10-CM.

Related codes in the I63 category

I63.0 Cerebral infarction due to thrombosis of precerebral arteries Non-billable I63.1 Cerebral infarction due to embolism of precerebral arteries Non-billable I63.2 Cerebral infarction due to unspecified occlusion or stenosis of precerebral arteries Non-billable I63.3 Cerebral infarction due to thrombosis of cerebral arteries Non-billable I63.00 Cerebral infarction due to thrombosis of unspecified precerebral artery Billable I63.01 Cerebral infarction due to thrombosis of vertebral artery Non-billable I63.02 Cerebral infarction due to thrombosis of basilar artery Billable I63.03 Cerebral infarction due to thrombosis of carotid artery Non-billable

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