MCMCB Pro
I97.790

I97.790Other intraoperative cardiac functional disturbances during cardiac surgery

Billable / specific codeICD-10-CM

I97.790 is a billable, specific ICD-10-CM code for other intraoperative cardiac functional disturbances during cardiac surgery. It is valid for submission on a claim.

Risk adjustment

I97.790 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

I97.790 is named in 10 Medicare coverage policies 10 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A53986Billing and Coding: Percutaneous Ventricular Assist Device
  • A53988Billing and Coding: Percutaneous Ventricular Assist Device
  • A56505Billing and Coding: Transesophageal Echocardiography (TEE)
  • A56625Billing and Coding: Echocardiography

How I97.790 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 I97.790.

  • Complicationintraoperativecardiac functional disturbance NECduring cardiac surgery
  • Infarct, infarctionmyocardium, myocardialintraoperativeduring cardiac surgery

Related codes at this level

Codes that share I97.79. If I97.790 is not quite right, the correct code is usually one of these.

Questions about I97.790

Is I97.790 a billable ICD-10-CM code?
Yes. I97.790 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does I97.790 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).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.