2026 ICD-10-CM Diagnosis Code I08Multiple valve diseases

ICD-10-CM CodesI00–I99I05-I09I08

ICD-10-CM I08
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

I08 is a non-billable ICD-10-CM category code for multiple valve diseases, so it cannot be submitted on claims. Use a more specific code from this category instead, such as I08.0, I08.1, I08.2, and I08.3.

Code Identity

ICD-10-CM Code
I08
Billable Status
No — Non-Billable Category
Code Describes
Multiple valve diseases
Chapter
I05-I09
Chronic rheumatic heart diseases

Code Classification

ChapterI00–I99Diseases of the circulatory system
SectionI05-I09Chronic rheumatic heart diseases
CategoryI08Multiple valve diseases
This CodeI08Multiple valve diseases

Specific Coding for Multiple valve diseasesOverview

Non-specific codes like I08 require more characters. Use one of these billable codes instead:

  • Use I08.0 for Rheumatic disorders of both mitral and aortic valves

  • Use I08.1 for Rheumatic disorders of both mitral and tricuspid valves

  • Use I08.2 for Rheumatic disorders of both aortic and tricuspid valves

  • Use I08.3 for Combined rheumatic disorders of mitral, aortic and tricuspid valves

  • Use I08.8 for Other rheumatic multiple valve diseases

  • Use I08.9 for Rheumatic multiple valve disease, unspecified

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Includes

  • multiple valve diseases specified as rheumatic or unspecified

Type 1 Excludes

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

Type 2 Excludes

Patient EducationClinical

Heart Valve Diseases

Heart valve disease happens when one or more of your heart valves don't work well.

The full article covers:

  • What are heart valve diseases?
  • What are the types of heart valve diseases?
  • What causes heart valve diseases?
  • Who is more likely to develop heart valve diseases?
  • What are the symptoms of heart valve diseases?
  • What other problems can heart valve diseases cause?
  • How is heart valve disease diagnosed?
  • What are the treatments for heart valve diseases?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About I08Overview

Is I08 (Multiple valve diseases) a billable code?

No. This is a category header that groups the codes for multiple valve diseases, and headers cannot be submitted on claims. Claims for multiple valve diseases need a more specific code from this category, such as I08.0, I08.1, and I08.2.