I97.811 — Intraoperative cerebrovascular infarction during other surgery
I97.811 is a billable, specific ICD-10-CM code for intraoperative cerebrovascular infarction during other surgery. It is valid for submission on a claim.
Risk adjustment
I97.811 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
I97.811 is named in 6 Medicare coverage policies — 6 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56631Billing and Coding: Thoracic Aortography and Carotid, Vertebral, and Subclavian Angiography
- A56697Billing and Coding: Non-Invasive Vascular Studies
- A56758Billing and Coding: Non-Invasive Vascular Studies
- A57056Billing and Coding: Aortography and Peripheral Angiography
How I97.811 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 I97.811.
- Stroke›intraoperative›during other surgery
- Infarct, infarction›cerebral›intraoperative›during other surgery
Related codes at this level
Codes that share I97.81. If I97.811 is not quite right, the correct code is usually one of these.
Questions about I97.811
- Is I97.811 a billable ICD-10-CM code?
- Yes. I97.811 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does I97.811 sit in the tabular list?
- Diseases of the circulatory system (I00-I99), in the block Other and unspecified disorders of the circulatory system (I95-I99).