2027 ICD-10-CM Diagnosis Code I09Other rheumatic heart diseases

ICD-10-CM Codes›I00–I99›I05-I09›I09

ICD-10-CM I09
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

I09 is a non-billable ICD-10-CM category code for other rheumatic heart diseases, so it cannot be submitted on claims. Use a more specific code from this category instead, such as I09.0, I09.1, I09.2, and I09.81.

Code Identity

ICD-10-CM Code
I09
Billable Status
No — Non-Billable Category
Code Describes
Other rheumatic heart diseases
Short Description
Other rheumatic heart diseases
Same as the full description in the CMS dataset.
Chapter
I05-I09
Chronic rheumatic heart diseases

Code Classification

ChapterI00–I99Diseases of the circulatory system
SectionI05-I09Chronic rheumatic heart diseases
CategoryI09Other rheumatic heart diseases
This CodeI09Other rheumatic heart diseases

Specific Coding for Other rheumatic heart diseasesOverview

Non-specific codes like I09 require more characters. Use one of these billable codes instead:

  • Use I09.0 for Rheumatic myocarditis

  • Use I09.1 for Rheumatic diseases of endocardium, valve unspecified

  • Use I09.2 for Chronic rheumatic pericarditis

  • I09.8 for Other specified rheumatic heart diseases

  • Use I09.81 for Rheumatic heart failure

  • Use I09.89 for Other specified rheumatic heart diseases

  • Use I09.9 for Rheumatic heart disease, unspecified

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to I09: its own notes plus those printed at Chapter 9. A note printed at a category, block or chapter applies to every code under it.

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Chapter 9 (I00-I99) Diseases of the circulatory system applies to 1,433 codes
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • systemic connective tissue disorders (M30-M36)
  • transient cerebral ischemic attacks and related syndromes (G45.-)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name I09, its category, or a range that includes it.

Excludes1 1

These codes carry an Excludes1 note naming I09: they are not reported together with it, unless the two conditions are unrelated.

  • I01 Rheumatic fever with heart involvement
    chronic diseases of rheumatic origin (I05-I09) unless rheumatic fever is also present or there is evidence of reactivation or activity of the rheumatic process. names I05-I09, which includes this code

Excludes2 1

These codes carry an Excludes2 note naming I09: its condition is not part of those codes, and both may be reported when the patient has both.

  • I51 Complications and ill-defined descriptions of heart disease
    heart disease specified as rheumatic (I00-I09) names I00-I09, which includes this code

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 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About I09Overview

What is the ICD-10 code for other rheumatic heart diseases?

I09 is the ICD-10-CM category for other rheumatic heart diseases, but it is a non-billable header: claims need a more specific code from this category, listed on this page.

Is I09 (Other rheumatic heart diseases) a billable code?

No. This is a category header that groups the codes for other rheumatic heart diseases, and headers cannot be submitted on claims. Claims for other rheumatic heart diseases need a more specific code from this category, such as I09.0, I09.1, and I09.2.