intrinsic cardiomyopathy restrictive cardiomyopathy An intrinsic cardiomyopathy characterized by impaired ventricular filling, with normal or decreased diastolic volume of either or both ventricles typically resulting from increased stiffness of the myocardium. Cardiomyopathy, constrictive Familial restrictive cardiomyopathy ORDO:75249 Xref MGI. OMIM mappings 115210, 612422 added from NeuroDevNet [WAK]. ICD10CM:I42.5 SNOMEDCT_US_2020_03_01:389996009 OMIM:PS115210 OMIM:115210 MESH:D002313 Familial restrictive cardiomyopathy UMLS_CUI:C0007196 disease_ontology NCI:C62798 DOID:397 Restrictive cardiomyopathy primary restrictive cardiomyopathy