I63.521Billable
Cerebral infarction due to unspecified occlusion or stenosis of right anterior cerebral artery
Short description: Cereb infrc d/t unsp occls or stenos of right ant cereb art
- Chapter
- 9. Diseases of the circulatory system
- Category
- I63
- Effective date
- October 1, 2026
Related codes in category I63
I63Cerebral infarctionI63.0Cerebral 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 arteryYes
Frequently asked questions
What is ICD-10 code I63.521?
I63.521 is an ICD-10-CM diagnosis code for Cerebral infarction due to unspecified occlusion or stenosis of right anterior cerebral artery.
Is I63.521 a billable code?
Yes. I63.521 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is I63.521 in?
I63.521 falls under Chapter 9: Diseases of the circulatory system.
When did I63.521 become effective?
I63.521 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to I63.521?
I63.521 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.