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I97.0

I97.0Postcardiotomy syndrome

Billable / specific codeICD-10-CM

I97.0 is a billable, specific ICD-10-CM code for postcardiotomy syndrome. It is valid for submission on a claim.

Other codes that can never be billed with I97.0

These codes carry an Excludes1 note pointing at I97.0. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading I97.0 alone.

  • I31Other diseases of pericardium

Risk adjustment

I97.0 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

I97.0 is named in 26 Medicare coverage policies 26 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
  • A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography
  • A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography
  • A52868Billing and Coding: Transesophageal Echocardiography (TEE)

How I97.0 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 I97.0.

  • Postcardiotomy syndrome
  • Postcommissurotomy syndrome
  • Postvalvulotomy syndrome
  • Injurypostcardiac surgery(syndrome)
  • Syndromepostcardiotomy
  • Syndromepostcommissurotomy
  • Syndromepostvalvulotomy
  • Complicationsurgical procedurepostcardiotomy syndrome
  • Complicationsurgical procedurepostcommissurotomy syndrome
  • Complicationsurgical procedurepostvalvulotomy syndrome
  • SyndromeDressler'spostcardiotomy
  • Syndromepostcardiac injurypostcardiotomy

Related codes at this level

Codes that share I97. If I97.0 is not quite right, the correct code is usually one of these.

Questions about I97.0

Is I97.0 a billable ICD-10-CM code?
Yes. I97.0 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does I97.0 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.