Maturity-Onset Diabetes of the Young, Type 13, also known as maturity-onset diabetes of the young type 13, is related to maturity-onset diabetes of the young and hypokalemia. An important gene associated with Maturity-Onset Diabetes of the Young, Type 13 is KCNJ11 (Potassium Inwardly Rectifying Channel Subfamily J Member 11), and among its related pathways/superpathways are Glucose / Energy Metabolism and Disorders of transmembrane transporters. Related phenotypes are maturity-onset diabetes of the young and elevated hemoglobin a1c