NCIthesaurus has symptom Loeffler endocarditis DOID:396 Eosinophilic Endomyocardial disease NCI:C27044 UMLS_CUI:C0264834 ICD10CM:I42.3 SNOMEDCT_US_2025_09_01:33258008 A restrictive cardiomyopathy that affects the endocardium and occurs with white blood cell proliferation, specifically of eosinophils. disease_ontology restrictive cardiomyopathy endocarditis