U.S. ICD-10-CM · FY 2027

I05 ICD-10-CM Code: Rheumatic mitral valve diseases

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

I05

Rheumatic mitral valve diseases

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

Classification

Where I05 sits

  1. 1

    Chapter 9

    Diseases of the circulatory system (I00-I99)

  2. 2

    Section

    Chronic rheumatic heart diseases (I05-I09)

  3. 3

    Category I05

    Rheumatic mitral valve diseases

  4. 4

    Code I05

    Rheumatic mitral valve diseases

More specific choices

Codes under I05

I05 is a non-billable category. Choose the child code that best matches the documented diagnosis.

I05.0

Rheumatic mitral stenosis

I05.1

Rheumatic mitral insufficiency

I05.2

Rheumatic mitral stenosis with insufficiency

I05.8

Other rheumatic mitral valve diseases

I05.9

Rheumatic mitral valve disease, unspecified

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for I05.

Code first

No “code first” instruction is listed for I05.

Use additional code

No “use additional code” instruction is listed for I05.

Excludes1

Conditions that should not be reported together with this code.

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

Excludes2

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

No Excludes2 note is listed for I05.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

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.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code I05 mean?

I05 is the FY 2027 U.S. ICD-10-CM code for “Rheumatic mitral valve diseases.”

Is I05 a billable or specific ICD-10-CM code?

No. I05 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is I05 located in ICD-10-CM?

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

What coding notes are listed for I05?

No inclusion terms are listed for I05 in this reference record. No code-first instruction is listed. Excludes1 notes: mitral valve disease specified as nonrheumatic (I34.-); mitral valve disease with aortic and/or tricuspid valve involvement (I08.-). No Excludes2 note is listed.

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