Hypoadrenocorticism, Familial, also known as addison disease, is related to autoimmune polyendocrine syndrome type 1 and intrauterine growth retardation, metaphyseal dysplasia, adrenal hypoplasia congenita, and genital anomalies. An important gene associated with Hypoadrenocorticism, Familial is ABCD1 (ATP Binding Cassette Subfamily D Member 1), and among its related pathways/superpathways are Metabolism and Diseases of glycosylation. The drugs Hydrocortisone and Hydrocortisone acetate have been mentioned in the context of this disorder. Affiliated tissues include adrenal gland and adrenal cortex, and related phenotypes are primary adrenal insufficiency and decreased circulating cortisol level