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I35.2

I35.2: Nonrheumatic aortic (valve) stenosis with insufficiency

Billable / specific codeICD-10-CM

I35.2 is a billable, specific ICD-10-CM code for nonrheumatic aortic (valve) stenosis with insufficiency. It is valid for submission on a claim.

Check I35.2 with the rest of the claim: free scrubber

Excludes2 inherited from the categories above I35.2

Not part of this code, but both may be coded when both are present.

Written on I35: Nonrheumatic aortic valve disorders

  • aortic valve disorder of unspecified cause but with diseases of mitral and/or tricuspid valve(s) (I08.-)
  • aortic valve disorder specified as congenital (Q23.0, Q23.1)
  • aortic valve disorder specified as rheumatic (I06.-)
  • hypertrophic subaortic stenosis (I42.1)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

I35.2 is named in 23 Medicare coverage policies: 23 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography
  • A52868Billing and Coding: Transesophageal Echocardiography (TEE)
  • A52992Billing and Coding: Non-Invasive Cerebrovascular Arterial Studies
  • A56421Billing and Coding: CT of the Abdomen and Pelvis

Alphabetic index entries that lead here

  • Stenosis, stenotic›aortic›with insufficiency
  • Insufficiency, insufficient›aortic›with›stenosis

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under I35

ICD-10-CMFY2027· effective October 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.