HydroxycorticosteroidsHydroxycorticosteroids are corticosteroids that have an additional hydroxy group.There are two main positions where the hydroxy group may be added: at carbon atom 11, and at carbon atom 17.At the 11 position11-hydroxycorticosteroids include: aldosterone corticosterone hydrocortisoneAt the 17 position17-hydroxycorticosteroids include: cortisone hydrocortisone