ICD10BillableValid for clinical use

ICD-10 Code I63.40: Cerebral infarction due to embolism of unspecified cerebral artery

I63.40 is a billable ICD-10 diagnosis code used to classify Cerebral infarction due to embolism of unspecified cerebral artery in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the circulatory system (I00-I99).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the circulatory system (I00-I99).

When is it used?

  • May be used when a clinician documents cerebral infarction due to embolism of unspecified cerebral artery in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
9Diseases of the circulatory system (I00-I99)
block
I60-I69Cerebrovascular diseases
category
I63Cerebral infarction
category
I63.4Cerebral infarction due to embolism of cerebral arteries
currentI63.4

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

CardiologistGeneral PhysicianNeurologistStroke Specialist

Coverage-related procedures and services

CPT 93241high
EXTERNAL ELECTROCARDIOGRAPHIC RECORDING FOR MORE THAN 48 HOURS UP TO 7 DAYS BY CONTINUOUS RHYTHM RECORDING AND STORAGE; INCLUDES RECORDING, SCANNING ANALYSIS WITH REPORT, REVIEW AND INTERPRETATION
Source: CMS coverage guidance
CPT 93242high
EXTERNAL ELECTROCARDIOGRAPHIC RECORDING FOR MORE THAN 48 HOURS UP TO 7 DAYS BY CONTINUOUS RHYTHM RECORDING AND STORAGE; RECORDING (INCLUDES CONNECTION AND INITIAL RECORDING)
Source: CMS coverage guidance
CPT 93244high
EXTERNAL ELECTROCARDIOGRAPHIC RECORDING FOR MORE THAN 48 HOURS UP TO 7 DAYS BY CONTINUOUS RHYTHM RECORDING AND STORAGE; REVIEW AND INTERPRETATION
Source: CMS coverage guidance
CPT 93243high
EXTERNAL ELECTROCARDIOGRAPHIC RECORDING FOR MORE THAN 48 HOURS UP TO 7 DAYS BY CONTINUOUS RHYTHM RECORDING AND STORAGE; SCANNING ANALYSIS WITH REPORT
Source: CMS coverage guidance
CPT 93245high
EXTERNAL ELECTROCARDIOGRAPHIC RECORDING FOR MORE THAN 7 DAYS UP TO 15 DAYS BY CONTINUOUS RHYTHM RECORDING AND STORAGE; INCLUDES RECORDING, SCANNING ANALYSIS WITH REPORT, REVIEW AND INTERPRETATION
Source: CMS coverage guidance
CPT 93246high
EXTERNAL ELECTROCARDIOGRAPHIC RECORDING FOR MORE THAN 7 DAYS UP TO 15 DAYS BY CONTINUOUS RHYTHM RECORDING AND STORAGE; RECORDING (INCLUDES CONNECTION AND INITIAL RECORDING)
Source: CMS coverage guidance

Coding guidelines

Common synonyms

Cerebral infarction due to embolism of unspecified cerebral arteryCerebral infarction due to embolism of cerebral artery

Frequently asked questions

Code details

CodeI63.40
SystemICD10
Display nameCerebral infarction due to embolism of unspecified cerebral artery
ChapterDiseases of the circulatory system (I00-I99)
BlockCerebrovascular diseases

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Occlusion, occluded

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code I63.40 for Cerebral infarction due to embolism of unspecified cerebral artery | HealthAssure