U.S. ICD-10-CM · FY 2027

I39 ICD-10-CM Code: Endocarditis and heart valve disorders in diseases classified elsewhere

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

Code definition

Official description

I39

Endocarditis and heart valve disorders in diseases classified elsewhere

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

Classification

Where I39 sits

  1. 1

    Chapter 9

    Diseases of the circulatory system (I00-I99)

  2. 2

    Section

    Other forms of heart disease (I30-I5A)

  3. 3

    Category I39

    Endocarditis and heart valve disorders in diseases classified elsewhere

  4. 4

    Code I39

    Endocarditis and heart valve disorders in diseases classified elsewhere

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for I39.

Code first

  • underlying disease, such as:
  • Q fever (A78)

Use additional code

No “use additional code” instruction is listed for I39.

Excludes1

Conditions that should not be reported together with this code.

  • endocardial involvement in:
  • candidiasis (B37.6)
  • gonococcal infection (A54.83)
  • Libman-Sacks disease (M32.11)
  • listerosis (A32.82)
  • meningococcal infection (A39.51)
  • rheumatoid arthritis (M05.31)
  • syphilis (A52.03)
  • tuberculosis (A18.84)
  • typhoid fever (A01.02)

Excludes2

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

No Excludes2 note is listed for I39.

Transparency

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.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code I39 mean?

I39 is the FY 2027 U.S. ICD-10-CM code for “Endocarditis and heart valve disorders in diseases classified elsewhere.”

Is I39 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, I39 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 I39 located in ICD-10-CM?

I39 is listed in Chapter 9, Diseases of the circulatory system (I00-I99), within Other forms of heart disease (I30-I5A) (I30–I5A), under category I39, Endocarditis and heart valve disorders in diseases classified elsewhere.

What coding notes are listed for I39?

No inclusion terms are listed for I39 in this reference record. Code-first instructions: underlying disease, such as:; Q fever (A78). Excludes1 notes: endocardial involvement in:; candidiasis (B37.6); gonococcal infection (A54.83); Libman-Sacks disease (M32.11); listerosis (A32.82); meningococcal infection (A39.51); rheumatoid arthritis (M05.31); syphilis (A52.03); tuberculosis (A18.84); typhoid fever (A01.02). No Excludes2 note is listed.

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