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I06.2

I06.2Rheumatic aortic stenosis with insufficiency

Billable / specific codeICD-10-CM

I06.2 is a billable, specific ICD-10-CM code for rheumatic aortic stenosis with insufficiency. It is valid for submission on a claim.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Rheumatic aortic stenosis with incompetence or regurgitation

Risk adjustment

I06.2 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

I06.2 is named in 19 Medicare coverage policies 19 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
  • A56423Billing and Coding: Cardiology Non-emergent Outpatient Stress Testing
  • A56476Billing and Coding: Cardiac Radionuclide Imaging

How I06.2 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 I06.2.

  • Insufficiency, insufficientaorticrheumaticwithstenosis
  • Stenosis, stenoticaorticrheumaticwithincompetency, insufficiency or regurgitation

Related codes at this level

Codes that share I06. If I06.2 is not quite right, the correct code is usually one of these.

Questions about I06.2

Is I06.2 a billable ICD-10-CM code?
Yes. I06.2 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does I06.2 sit in the tabular list?
Diseases of the circulatory system (I00-I99), in the block Chronic rheumatic heart diseases (I05-I09).
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.