ICD-10-CM · Chapter 9 · I00–I99
I63.521
Cerebral infarction due to unspecified occlusion or stenosis of right anterior cerebral artery
Diseases of the circulatory system
Quick facts
- Code
- I63.521
- Type
- Billable code
- ICD-10-CM chapter
- Chapter 9 — Diseases of the circulatory system
- Category
- I63 — Cerebral infarction
- Specificity
- 6 characters
How coders use this code
ICD-10-CM I63.521 is a billable, fully specified code, so it can be reported directly on a claim to document a diagnosis of cerebral infarction due to unspecified occlusion or stenosis of right anterior cerebral artery. Coders assign it when the chart documentation supports this level of detail, always matching to the most specific code available and verifying against the chapter-specific guidelines published annually by NCHS/CMS.
Related codes in I63
- I63Cerebral infarction
- I63.0Cerebral infarction due to thrombosis of precerebral arteries
- I63.00Cerebral infarction due to thrombosis of unspecified precerebral artery
- I63.01Cerebral infarction due to thrombosis of vertebral artery
- I63.011Cerebral infarction due to thrombosis of right vertebral artery
- I63.012Cerebral infarction due to thrombosis of left vertebral artery
- I63.013Cerebral infarction due to thrombosis of bilateral vertebral arteries
- I63.019Cerebral infarction due to thrombosis of unspecified vertebral artery
- I63.02Cerebral infarction due to thrombosis of basilar artery
- I63.03Cerebral infarction due to thrombosis of carotid artery
- I63.031Cerebral infarction due to thrombosis of right carotid artery
- I63.032Cerebral infarction due to thrombosis of left carotid artery
- I63.033Cerebral infarction due to thrombosis of bilateral carotid arteries
- I63.039Cerebral infarction due to thrombosis of unspecified carotid artery
- I63.09Cerebral infarction due to thrombosis of other precerebral artery
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