I63.00: Cerebral infarction due to thrombosis of unspecified precerebral artery
I63.00 is a billable, specific ICD-10-CM code for cerebral infarction due to thrombosis of unspecified precerebral artery. It is valid for submission on a claim.
Check I63.00 with the rest of the claim: free scrubberExcludes1 inherited from the categories above I63.00
A category’s note binds every code beneath it.
Excludes2 inherited from the categories above I63.00
Not part of this code, but both may be coded when both are present.
Other codes that can never be billed with I63.00
Their own Excludes1 notes name this code, so the conflict is not listed above.
- P91.82Neonatal cerebral infarction
Risk adjustment
I63.00 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 249 Ischemic or Unspecified Stroke0.239 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.
Medicare coverage
I63.00 is named in 18 Medicare coverage policies: 18 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A52992Billing and Coding: Non-Invasive Cerebrovascular Arterial Studies
- A56612Billing and Coding: CT of the Head
- A56697Billing and Coding: Non-Invasive Vascular Studies
- A56722Billing and Coding: Intraoperative Neurophysiological Testing
Alphabetic index entries that lead here
- Occlusion, occluded›artery›precerebral›with infarction›due to›thrombosis
Code history
Unchanged in every release from FY2024 to FY2027.