U.S. ICD-10-CM · FY 2027

I41 ICD-10-CM Code: Myocarditis 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

I41

Myocarditis in diseases classified elsewhere

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

Classification

Where I41 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 I41

    Myocarditis in diseases classified elsewhere

  4. 4

    Code I41

    Myocarditis in diseases classified elsewhere

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for I41.

Code first

  • underlying disease, such as:
  • typhus (A75.0-A75.9)

Use additional code

No “use additional code” instruction is listed for I41.

Excludes1

Conditions that should not be reported together with this code.

  • myocarditis (in):
  • Chagas' disease (chronic) (B57.2)
  • acute (B57.0)
  • coxsackie (virus) infection (B33.22)
  • diphtheritic (A36.81)
  • gonococcal (A54.83)
  • influenzal (J09.X9, J10.82, J11.82)
  • meningococcal (A39.52)
  • mumps (B26.82)
  • rheumatoid arthritis (M05.31)
  • sarcoid (D86.85)
  • syphilis (A52.06)
  • toxoplasmosis (B58.81)
  • tuberculous (A18.84)

Excludes2

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

No Excludes2 note is listed for I41.

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 I41 mean?

I41 is the FY 2027 U.S. ICD-10-CM code for “Myocarditis in diseases classified elsewhere.”

Is I41 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, I41 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 I41 located in ICD-10-CM?

I41 is listed in Chapter 9, Diseases of the circulatory system (I00-I99), within Other forms of heart disease (I30-I5A) (I30–I5A), under category I41, Myocarditis in diseases classified elsewhere.

What coding notes are listed for I41?

No inclusion terms are listed for I41 in this reference record. Code-first instructions: underlying disease, such as:; typhus (A75.0-A75.9). Excludes1 notes: myocarditis (in):; Chagas' disease (chronic) (B57.2); acute (B57.0); coxsackie (virus) infection (B33.22); diphtheritic (A36.81); gonococcal (A54.83); influenzal (J09.X9, J10.82, J11.82); meningococcal (A39.52); mumps (B26.82); rheumatoid arthritis (M05.31); sarcoid (D86.85); syphilis (A52.06); toxoplasmosis (B58.81); tuberculous (A18.84). No Excludes2 note is listed.

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