I63Header code — not billable
Cerebral infarction
- Chapter
- 9. Diseases of the circulatory system
- Category
- I63
- Effective date
- October 1, 2026
Related codes in category I63
I63.0Cerebral infarction due to thrombosis of precerb arteriesI63.00Cerebral infarction due to thombos unsp precerebral arteryYesI63.01Cerebral infarction due to thrombosis of vertebral arteryI63.011Cerebral infarction due to thrombosis of r verteb artYesI63.012Cerebral infarction due to thrombosis of l verteb artYesI63.013Cerebral infrc due to thrombosis of bilateral verteb artYesI63.019Cerebral infarction due to thombos unsp vertebral arteryYesI63.02Cerebral infarction due to thrombosis of basilar arteryYesI63.03Cerebral infarction due to thrombosis of carotid arteryI63.031Cerebral infrc due to thrombosis of right carotid arteryYesI63.032Cerebral infarction due to thrombosis of left carotid arteryYesI63.033Cerebral infrc due to thombos of bilateral carotid arteriesYes
Frequently asked questions
What is ICD-10 code I63?
I63 is an ICD-10-CM diagnosis code for Cerebral infarction.
Is I63 a billable code?
No. I63 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is I63 in?
I63 falls under Chapter 9: Diseases of the circulatory system.
When did I63 become effective?
I63 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to I63?
I63 belongs to category I63, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.