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I36.1

I36.1: Nonrheumatic tricuspid (valve) insufficiency

Billable / specific codeICD-10-CM

I36.1 is a billable, specific ICD-10-CM code for nonrheumatic tricuspid (valve) insufficiency. It is valid for submission on a claim.

Check I36.1 with the rest of the claim: free scrubber

Inclusion terms

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

  • Nonrheumatic tricuspid (valve) incompetence
  • Nonrheumatic tricuspid (valve) regurgitation

Excludes1 inherited from the categories above I36.1

A category’s note binds every code beneath it.

Written on I36: Nonrheumatic tricuspid valve disorders

  • tricuspid valve disorders of unspecified cause (I07.-)
  • tricuspid valve disorders specified as congenital (Q22.4, Q22.8, Q22.9)
  • tricuspid valve disorders specified as rheumatic (I07.-)
  • tricuspid valve disorders with aortic and/or mitral valve involvement (I08.-)

Other codes that can never be billed with I36.1

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • I07Rheumatic tricuspid valve diseases

Risk adjustment

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

Medicare coverage

I36.1 is named in 16 Medicare coverage policies: 16 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)
  • A56423Billing and Coding: Cardiology Non-emergent Outpatient Stress Testing
  • A56476Billing and Coding: Cardiac Radionuclide Imaging

Alphabetic index entries that lead here

  • Insufficiency, insufficient›tricuspid›nonrheumatic

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under I36

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.