U.S. ICD-10-CM · FY 2027

I38 ICD-10-CM Code: Endocarditis, valve unspecified

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

Code definition

Official description

I38

Endocarditis, valve unspecified

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

Classification

Where I38 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 I38

    Endocarditis, valve unspecified

  4. 4

    Code I38

    Endocarditis, valve unspecified

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for I38.

Code first

No “code first” instruction is listed for I38.

Use additional code

No “use additional code” instruction is listed for I38.

Excludes1

Conditions that should not be reported together with this code.

  • congenital insufficiency of cardiac valve NOS (Q24.8)
  • congenital stenosis of cardiac valve NOS (Q24.8)
  • endocardial fibroelastosis (I42.4)
  • endocarditis specified as rheumatic (I09.1)

Excludes2

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

No Excludes2 note is listed for I38.

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 I38 mean?

I38 is the FY 2027 U.S. ICD-10-CM code for “Endocarditis, valve unspecified.”

Is I38 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, I38 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 I38 located in ICD-10-CM?

I38 is listed in Chapter 9, Diseases of the circulatory system (I00-I99), within Other forms of heart disease (I30-I5A) (I30–I5A), under category I38, Endocarditis, valve unspecified.

What coding notes are listed for I38?

No inclusion terms are listed for I38 in this reference record. No code-first instruction is listed. Excludes1 notes: congenital insufficiency of cardiac valve NOS (Q24.8); congenital stenosis of cardiac valve NOS (Q24.8); endocardial fibroelastosis (I42.4); endocarditis specified as rheumatic (I09.1). No Excludes2 note is listed.

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