I63.03 ICD-10-CM Code: Cerebral infarction due to thrombosis of carotid artery
I63.03 isn’t billable on its own. Choose one of the 4 billable codes beneath it, the one the documentation supports.
Official description
I63.03Cerebral infarction due to thrombosis of carotid artery
ICD-10-CM diagnosis code · United States clinical modification
Billable codes under I63.03
I63.03 can’t be reported on its own. Choose the code below that matches what the note documents.
Where I63.03 sits
- 1
Chapter 9
Diseases of the circulatory system (I00-I99)
- 2
Section
Cerebrovascular diseases (I60-I69)
- 3
Category I63
Cerebral infarction
- 4
Subcategory I63.0
Cerebral infarction due to thrombosis of precerebral arteries
- 5
Code I63.03
Cerebral infarction due to thrombosis of carotid artery
Notes for this code
Inclusion terms
No inclusion terms are listed for I63.03.
Code first
No “code first” instruction is listed for I63.03.
Use additional code
No “use additional code” instruction is listed for I63.03.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for I63.03.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for I63.03.
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.
Frequently asked questions
What does ICD-10-CM code I63.03 mean?
I63.03 is the FY 2027 U.S. ICD-10-CM code for “Cerebral infarction due to thrombosis of carotid artery.”
Is I63.03 a billable or specific ICD-10-CM code?
No. I63.03 has 4 billable codes beneath it in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is I63.03 located in ICD-10-CM?
I63.03 is listed in Chapter 9, Diseases of the circulatory system (I00-I99), within Cerebrovascular diseases (I60-I69) (I60–I69), under category I63, Cerebral infarction and subcategory I63.0, Cerebral infarction due to thrombosis of precerebral arteries.
What coding notes are listed for I63.03?
No inclusion terms are listed for I63.03 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.