ICD-10-CM
I63.039: Cerebral infarction due to thrombosis of unspecified carotid artery
A billable ICD-10-CM diagnosis code.
Source: CDC ICD-10-CM FY2027 order file dated June 16, 2026. Publisher page
- Kind
- Billable code
- Category
- I63
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Nearby codes
A header groups codes and is not billed. A billable code is one you can report.
It's the public CDC file. Check the current ICD-10-CM guidelines before you code.
Use additional code
The CDC tabular list says to add the code named here after this one when it applies.
From I63. A note on a category applies to every code under it.
Use additional 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)
Use additional code, if known, to indicate National Institutes of Health Stroke Scale (NIHSS) score (R29.7-)
Excludes1
Excludes1 means these codes are not reported together.
From I63. A note on a category applies to every code under it.
Excludes2
Excludes2 means the other condition can be reported with this one when both are documented.
From I63. A note on a category applies to every code under it.
CMS-HCC, payment year 2027 (initial mapping)
A CMS-HCC group is a risk-adjustment category. This page does not decide payment.
- CMS-HCC category 249 (payment year 2027 model)