Type 1 Diabetes Mellitus 15, also known as diabetes mellitus, insulin-dependent, 15, is related to diabetes mellitus and type 1 diabetes mellitus. An important gene associated with Type 1 Diabetes Mellitus 15 is IDDM15 (Insulin Dependent Diabetes Mellitus 15), and among its related pathways/superpathways are CD28 co-stimulation and Peptide hormone metabolism. Related phenotypes are diabetes mellitus and type i diabetes mellitus