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I97.120

I97.120Postprocedural cardiac arrest following cardiac surgery

Billable / specific codeICD-10-CM

I97.120 is a billable, specific ICD-10-CM code for postprocedural cardiac arrest following cardiac surgery. It is valid for submission on a claim.

Risk adjustment

I97.120 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

I97.120 is named in 34 Medicare coverage policies 34 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 I97.120 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 I97.120.

  • Complicationpostproceduralcardiac arrestfollowing cardiac surgery

Related codes at this level

Codes that share I97.12. If I97.120 is not quite right, the correct code is usually one of these.

Questions about I97.120

Is I97.120 a billable ICD-10-CM code?
Yes. I97.120 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does I97.120 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.