I63.543
I63.543 — Cerebral infarction due to unspecified occlusion or stenosis of bilateral cerebellar arteries
Billable / specific codeICD-10-CMbilateral
I63.543 is a billable, specific ICD-10-CM code for cerebral infarction due to unspecified occlusion or stenosis of bilateral cerebellar arteries. It is valid for submission on a claim.
Risk adjustment
I63.543 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
I63.543 is named in 30 Medicare coverage policies — 30 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
- A56605Billing and Coding: B-type Natriuretic Peptide (BNP) Testing
Related codes at this level
Codes that share I63.54. If I63.543 is not quite right, the correct code is usually one of these.
Questions about I63.543
- Is I63.543 a billable ICD-10-CM code?
- Yes. I63.543 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does I63.543 sit in the tabular list?
- Diseases of the circulatory system (I00-I99), in the block Cerebrovascular diseases (I60-I69).