congenital heart disease hypoplastic left heart syndrome MESH:D018636 UMLS_CUI:C0152101 disease_ontology ORDO:2248 OMIM:614435 SNOMEDCT_US_2020_03_01:62067003 ICD9CM:746.7 Xref MGI. OMIM mapping confirmed by DO. [SN]. GARD:6739 NCI:C98894 A congenital heart disease characterized by abnormal development of the left-sided structures of the heart. ICD10CM:Q23.4 DOID:9955 OMIM:241550