I08.1 ICD-10-CM Code: Rheumatic disorders of both mitral and tricuspid valves

I08.1 is the billable ICD-10-CM code for “Rheumatic disorders of both mitral and tricuspid valves” in the FY 2027 U.S. code set, effective Oct 1, 2026.

Official description

I08.1

Rheumatic disorders of both mitral and tricuspid valves

ICD-10-CM diagnosis code · United States clinical modification

Where I08.1 sits

  1. 1

    Chapter 9

    Diseases of the circulatory system (I00-I99)

  2. 2

    Section

    Chronic rheumatic heart diseases (I05-I09)

  3. 3

    Category I08

    Multiple valve diseases

  4. 4

    Code I08.1

    Rheumatic disorders of both mitral and tricuspid valves

Notes for this code

Inclusion terms

No inclusion terms are listed for I08.1.

Code first

No “code first” instruction is listed for I08.1.

Use additional code

No “use additional code” instruction is listed for I08.1.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for I08.1.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for I08.1.

Source and release

Data release
U.S. ICD-10-CM · FY 2027
Effective date
Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Frequently asked questions

What does ICD-10-CM code I08.1 mean?

I08.1 is the FY 2027 U.S. ICD-10-CM code for “Rheumatic disorders of both mitral and tricuspid valves.”

Is I08.1 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, I08.1 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is I08.1 located in ICD-10-CM?

I08.1 is listed in Chapter 9, Diseases of the circulatory system (I00-I99), within Chronic rheumatic heart diseases (I05-I09) (I05–I09), under category I08, Multiple valve diseases.

What coding notes are listed for I08.1?

No inclusion terms are listed for I08.1 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.