Is I63.40 a billable ICD-10-CM code?

Yes. I63.40 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does I63.40 sit in the tabular list?

Diseases of the circulatory system (I00-I99), in the block Cerebrovascular diseases (I60-I69).

I63.40

I63.40 — Cerebral infarction due to embolism of unspecified cerebral artery

Billable / specific codeICD-10-CM

I63.40 is a billable, specific ICD-10-CM code for cerebral infarction due to embolism of unspecified cerebral artery. It is valid for submission on a claim.

Risk adjustment

I63.40 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

I63.40 is named in 19 Medicare coverage policies — 19 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)
A56631Billing and Coding: Thoracic Aortography and Carotid, Vertebral, and Subclavian Angiography
A56722Billing and Coding: Intraoperative Neurophysiological Testing
A56747Billing and Coding: Magnetic Resonance Angiography (MRA)

How I63.40 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to I63.40.

Occlusion, occluded›artery›cerebral›with infarction›due to›embolism

Related codes at this level

Codes that share I63.4. If I63.40 is not quite right, the correct code is usually one of these.

Questions about I63.40

Is I63.40 a billable ICD-10-CM code?: Yes. I63.40 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does I63.40 sit in the tabular list?: Diseases of the circulatory system (I00-I99), in the block Cerebrovascular diseases (I60-I69).