MCMCB Pro
I63.511

I63.511Cerebral infarction due to unspecified occlusion or stenosis of right middle cerebral artery

Billable / specific codeICD-10-CMright

I63.511 is a billable, specific ICD-10-CM code for cerebral infarction due to unspecified occlusion or stenosis of right middle cerebral artery. It is valid for submission on a claim.

Risk adjustment

I63.511 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.

Medicare coverage

I63.511 is named in 47 Medicare coverage policies 47 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A52868Billing and Coding: Transesophageal Echocardiography (TEE)
  • A52992Billing and Coding: Non-Invasive Cerebrovascular Arterial Studies
  • A52992Billing and Coding: Non-Invasive Cerebrovascular Arterial Studies
  • A56476Billing and Coding: Cardiac Radionuclide Imaging

Related codes at this level

Codes that share I63.51. If I63.511 is not quite right, the correct code is usually one of these.

Questions about I63.511

Is I63.511 a billable ICD-10-CM code?
Yes. I63.511 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does I63.511 sit in the tabular list?
Diseases of the circulatory system (I00-I99), in the block Cerebrovascular diseases (I60-I69).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.