Current
I40 — Acute myocarditis
Part of Chapter 9: Diseases of the circulatory system , block Other forms of heart disease (I30-I5A) .
Official Notes
Includes
subacute myocarditis
Excludes1
acute rheumatic myocarditis ( I01.2 )
Child Codes
Referenced By
Official notes on these codes cite I40.
FY 2027 effective October 1, 2026 · CDC NCHS and CMS