Hydroxycorticosteroids (OHCSs) are corticosteroids that have an additional hydroxy (-OH) 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 position 11-hydroxycorticosteroids (11-OHCSs) include: aldosterone corticosterone hydrocortisone At the 17 position 17-hydroxycorticosteroids (17-OHCSs) include: cortisone hydrocortisone External links Corticosteroids