rheumatic heart disease acute disease acute rheumatic heart disease icd11.foundation:535094176 ICD9:391.8 ICD9:391.9 NCIT:C34985 UMLS:C0035440 MONDO:0021777 MEDGEN:19779 acute rheumatic carditis Pancarditis, involving inflammation of the endocardium, myocardium, and epicardium. It results from an autoimmune reaction following an infection with Streptococcus pyogenes (Group A Streptococci). acute rheumatic fever with heart involvement Active rheumatic fever with heart involvement SCTID:312591002 acute rheumatic heart disease