U.S. ICD-10-CM · FY 2027

I63 ICD-10-CM Code: Cerebral infarction

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

I63

Cerebral infarction

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where I63 sits

  1. 1

    Chapter 9

    Diseases of the circulatory system (I00-I99)

  2. 2

    Section

    Cerebrovascular diseases (I60-I69)

  3. 3

    Category I63

    Cerebral infarction

  4. 4

    Code I63

    Cerebral infarction

More specific choices

Codes under I63

I63 is a non-billable category. Choose the child code that best matches the documented diagnosis.

I63.0

Cerebral infarction due to thrombosis of precerebral arteries

I63.1

Cerebral infarction due to embolism of precerebral arteries

I63.2

Cerebral infarction due to unspecified occlusion or stenosis of precerebral arteries

I63.3

Cerebral infarction due to thrombosis of cerebral arteries

I63.4

Cerebral infarction due to embolism of cerebral arteries

I63.5

Cerebral infarction due to unspecified occlusion or stenosis of cerebral arteries

I63.6

Cerebral infarction due to cerebral venous thrombosis, nonpyogenic

I63.8

Other cerebral infarction

I63.9

Cerebral infarction, unspecified

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for I63.

Code first

No “code first” instruction is listed for I63.

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)

Excludes1

Conditions that should not be reported together with this code.

  • neonatal cerebral infarction (P91.82-)

Excludes2

Conditions not included here that may be reported separately when present.

  • chronic, without residual deficits (sequelae) (Z86.73)
  • sequelae of cerebral infarction (I69.3-)

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code I63 mean?

I63 is the FY 2027 U.S. ICD-10-CM code for “Cerebral infarction.”

Is I63 a billable or specific ICD-10-CM code?

No. I63 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is I63 located in ICD-10-CM?

I63 is listed in Chapter 9, Diseases of the circulatory system (I00-I99), within Cerebrovascular diseases (I60-I69) (I60–I69), under category I63, Cerebral infarction.

What coding notes are listed for I63?

No inclusion terms are listed for I63 in this reference record. No code-first instruction is listed. Additional-code instructions: 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). Excludes1 notes: neonatal cerebral infarction (P91.82-). Excludes2 notes: chronic, without residual deficits (sequelae) (Z86.73); sequelae of cerebral infarction (I69.3-).

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