ICD-10-CM code · FY2027
I40.0 Infective myocarditis
BillableValid for claims as a specific diagnosis code
About I40.0
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Coding notes for I40.0
Applicable to Other names for conditions reported with this code.
- Septic myocarditis
Use additional code Add a second code for the detail named here.
Also applies, from I40 Acute myocarditis
Includes Conditions this code covers.
- subacute myocarditis
Excludes1 Not coded here: never report these together with this code (use the code given instead).
- acute rheumatic myocarditis (I01.2)
Chapter 9 notes (apply to every code in it)
Excludes2 Not part of this condition, but a patient can have both: report both codes when both apply.
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- transient cerebral ischemic attacks and related syndromes (G45.-)
Related codes in I40
- I40.1 Isolated myocarditisBillable
- I40.8 Other acute myocarditisBillable
- I40.9 Acute myocarditis, unspecifiedBillable
Latest research on acute myocarditis
- Risk of myocarditis after receiving mRNA-based COVID-19 vaccines
- Interim analysis of rates of adverse events following COVID-19 mRNA vaccination
- Reports of myocarditis in healthy adolescents after Pfizer-BioNTech COVID-19 Vaccination
- #VisualAbstract: Retrospective study identifies common hospital complications associated with COVID-19
- Common hospital complications associated with COVID-19 identified in a retrospective cohort study
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See 2MM+ plansICD-10-CM FY2027 code set, as published by the CDC National Center for Health Statistics (NCHS) and CMS, effective October 1, 2026 to September 30, 2027. Codes, titles and notes are shown as published. Check payer rules and the official guidelines before billing. This page is not medical advice.
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