I41

ICD-10Billable

Myocarditis in diseases classified elsewhere

Official ICD-10-CM descriptor (FY2026)

Myocarditis in diseases classified elsewhere

I41 is valid for submission on a claim — CMS flags it as a billable, specific code.

Excludes1

Not coded here. An Excludes1 code should never be reported at the same time as the code above it.

  • 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)

Code first

Sequence the underlying condition before this code.

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

Where this code sits

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

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