I67.841 — Reversible cerebrovascular vasoconstriction syndrome
I67.841 is a billable, specific ICD-10-CM code for reversible cerebrovascular vasoconstriction syndrome. It is valid for submission on a claim.
Risk adjustment
I67.841 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
I67.841 is named in 39 Medicare coverage policies — 39 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography
- A52868Billing and Coding: Transesophageal Echocardiography (TEE)
- A52992Billing and Coding: Non-Invasive Cerebrovascular Arterial Studies
- A52992Billing and Coding: Non-Invasive Cerebrovascular Arterial Studies
How I67.841 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 I67.841.
- Syndrome›Call-Fleming
- Syndrome›vasoconstriction, reversible cerebrovascular
- Vasospasm›cerebral›reversible
Related codes at this level
Codes that share I67.84. If I67.841 is not quite right, the correct code is usually one of these.
Questions about I67.841
- Is I67.841 a billable ICD-10-CM code?
- Yes. I67.841 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does I67.841 sit in the tabular list?
- Diseases of the circulatory system (I00-I99), in the block Cerebrovascular diseases (I60-I69).