MCMedicalCodingSoftware
I05

I05: Rheumatic mitral valve diseases

Non-billable headerICD-10-CM

I05 is a non-billable header ICD-10-CM code for rheumatic mitral valve diseases. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • mitral valve disease specified as nonrheumatic (I34.-)
  • mitral valve disease with aortic and/or tricuspid valve involvement (I08.-)

Includes

Conditions this code covers.

  • conditions classifiable to both I05.0 and I05.2-I05.9, whether specified as rheumatic or not

Other codes that can never be billed with I05

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

  • I01Rheumatic fever with heart involvement
  • I34Nonrheumatic mitral valve disorders

Risk adjustment

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

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead I05

5 child codes. Green means billable.

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.