I63.6 — Cerebral infarction due to cerebral venous thrombosis, nonpyogenic
I63.6 is a billable, specific ICD-10-CM code for cerebral infarction due to cerebral venous thrombosis, nonpyogenic. It is valid for submission on a claim.
Other codes that can never be billed with I63.6
These codes carry an Excludes1 note pointing at I63.6. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading I63.6 alone.
- I67.6Nonpyogenic thrombosis of intracranial venous system
Risk adjustment
I63.6 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
I63.6 is named in 45 Medicare coverage policies — 45 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
How I63.6 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 I63.6.
- Infarct, infarction›cerebral›due to›cerebral venous thrombosis, nonpyogenic
Related codes at this level
Codes that share I63. If I63.6 is not quite right, the correct code is usually one of these.
- I63.0Cerebral infarction due to thrombosis of precerebral arteries
- I63.1Cerebral infarction due to embolism of precerebral arteries
- I63.2Cerebral infarction due to unspecified occlusion or stenosis of precerebral arteries
- I63.3Cerebral infarction due to thrombosis of cerebral arteries
- I63.4Cerebral infarction due to embolism of cerebral arteries
- I63.5Cerebral infarction due to unspecified occlusion or stenosis of cerebral arteries
- I63.8Other cerebral infarction
- I63.9Cerebral infarction, unspecified
Questions about I63.6
- Is I63.6 a billable ICD-10-CM code?
- Yes. I63.6 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does I63.6 sit in the tabular list?
- Diseases of the circulatory system (I00-I99), in the block Cerebrovascular diseases (I60-I69).