MONDO_0018912 (Cushing syndrome) is cushing's syndrome (CS) encompasses a group of hormonal disorders caused by prolonged and high exposure levels to glucocorticoids that can be of either endogenous (adrenal cortex production) or exogenous (iatrogenic) origin. Also known as: Cushing's syndrome, cortisol Excess, hyperadrenocorticism, pituitary basophilism, suprarenogenic syndrome.