I09 ICD-10-CM Code: Other rheumatic heart diseases

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

Official description

I09

Other rheumatic heart diseases

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

Where I09 sits

  1. 1

    Chapter 9

    Diseases of the circulatory system (I00-I99)

  2. 2

    Section

    Chronic rheumatic heart diseases (I05-I09)

  3. 3

    Category I09

    Other rheumatic heart diseases

  4. 4

    Code I09

    Other rheumatic heart diseases

Codes under I09

I09 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Notes for this code

Inclusion terms

No inclusion terms are listed for I09.

Code first

No “code first” instruction is listed for I09.

Use additional code

No “use additional code” instruction is listed for I09.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for I09.

Excludes2

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

No Excludes2 note is listed for I09.

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 I09 mean?

I09 is the FY 2027 U.S. ICD-10-CM code for “Other rheumatic heart diseases.”

Is I09 a billable or specific ICD-10-CM code?

No. I09 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 I09 located in ICD-10-CM?

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

What coding notes are listed for I09?

No inclusion terms are listed for I09 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.