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I40 - Acute myocarditis


The ICD 10 Code for Acute myocarditis is listed as I40.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: I40
Description: Acute myocarditis
  • Includes: subacute myocarditis
  • Excludes1: acute rheumatic myocarditis (I01.2)
Chapter Diseases of the circulatory system (I00-I99)
ICD-10-CM Children (deeper level / typically more specific) of I40:
I40.0 - Infective myocarditis
I40.1 - Isolated myocarditis
I40.8 - Other acute myocarditis
I40.9 - Acute myocarditis, unspecified