Acute myocarditis I40

The ICD10 code for the diagnosis "Acute myocarditis" is "I40". I40 is NOT a 'valid' or 'billable' ICD10 code. Please select a more specific diagnosis below.

  • I40 should not be used for reimbursement purposes. Please select a more specific diagnosis below.
  • The 2019 edition of ICD-10-CM I40 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of I40 - other international versions of ICD-10 I40 may differ.
Type 1 Excludes:
  • acute rheumatic myocarditis (I01.2)
Includes:
  • subacute myocarditis

Codes: = Billable

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.