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I08.0

I08.0: Rheumatic disorders of both mitral and aortic valves

Billable / specific codeICD-10-CM

I08.0 is a billable, specific ICD-10-CM code for rheumatic disorders of both mitral and aortic valves. It is valid for submission on a claim.

Check I08.0 with the rest of the claim: free scrubber

Inclusion terms

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

  • Involvement of both mitral and aortic valves specified as rheumatic or unspecified

Excludes1 inherited from the categories above I08.0

A category’s note binds every code beneath it.

Written on I08: Multiple valve diseases

  • endocarditis, valve unspecified (I38)
  • rheumatic valve disease NOS (I09.1)

Excludes2 inherited from the categories above I08.0

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

Written on I08: Multiple valve diseases

Other codes that can never be billed with I08.0

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

  • I05Rheumatic mitral valve diseases
  • I07Rheumatic tricuspid valve diseases
  • I34Nonrheumatic mitral valve disorders
  • I36Nonrheumatic tricuspid valve disorders

Risk adjustment

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

Medicare coverage

I08.0 is named in 15 Medicare coverage policies: 15 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)
  • A56421Billing and Coding: CT of the Abdomen and Pelvis
  • A56423Billing and Coding: Cardiology Non-emergent Outpatient Stress Testing

Alphabetic index entries that lead here

  • Endocarditis›aortic›rheumatic›with mitral disease
  • Endocarditis›aortic›with›mitral disease
  • Endocarditis›mitral›with›aortic disease(valve)
  • Insufficiency, insufficient›aortic›with›mitral disease(valve)
  • Insufficiency, insufficient›mitral›with›aortic valve disease
  • Stenosis, stenotic›mitral›with›aortic valve disease
  • Insufficiency, insufficient›aortic›rheumatic›with›mitral disease(valve)
  • Insufficiency, insufficient›mitral›rheumatic›with›aortic valve disease
  • Insufficiency, insufficient›mitral›with›obstruction or stenosis›with aortic valve disease
  • Stenosis, stenotic›aortic›rheumatic›with›mitral disease(valve)
  • Fever›rheumatic›inactive or quiescent with›endocarditis›aortic›with mitral disease(valve)
  • Fever›rheumatic›inactive or quiescent with›endocarditis›mitral›with aortic disease(valve)

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under I08

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.