type 1 diabetes mellitus type 1 diabetes mellitus 1 https://github.com/monarch-initiative/mondo/issues/4521 https://github.com/monarch-initiative/mondo/issues/5033 diabetes mellitus, insulin-dependent-1 type 1 diabetes mellitus UMLS:C5435660 IDDM MONDO:0009100 An inherited susceptibility or predisposition to developing 1 diabetes mellitus that is caused by variation in genes located in the MHC complex on chromosome 6p21.3. MEDGEN:1734436 diabetes mellitus, type 1 diabetes mellitus, insulin-dependent, 1 diabetes mellitus, insulin-dependent IDDM1 insulin-dependent diabetes mellitus 1 juvenile-onset diabetes diabetes mellitus, insulin-dependent, X-linked, susceptibility to