ICD-10-CM code "I40": Acute myocarditis (2024)

Excludes

1. Diseases of the circulatory system (I00-I99)

   Type 2certain conditions originating in the perinatal period (P04-P96)

   Type 2certain infectious and parasitic diseases (A00-B99)

   Type 2complications of pregnancy, childbirth and the puerperium (O00-O9A)

   Type 2congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)

   Type 2endocrine, nutritional and metabolic diseases (E00-E88)

   Type 2injury, poisoning and certain other consequences of external causes (S00-T88)

   Type 2neoplasms (C00-D49)

   Type 2symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

   Type 2systemic connective tissue disorders (M30-M36)

   Type 2transient cerebral ischemic attacks and related syndromes (G45.-)

2. Other forms of heart disease (I30-I5A)
3. Acute myocarditis (I40)

   Type 1acute rheumatic myocarditis (I01.2)

Includes

1. Diseases of the circulatory system (I00-I99)
2. Other forms of heart disease (I30-I5A)
3. Acute myocarditis (I40)

   Includessubacute myocarditis

Subcategories

• Infective myocarditis (I40.0)
• Isolated myocarditis (I40.1)
• Other acute myocarditis (I40.8)
• Acute myocarditis, unspecified (I40.9)