Another option is also the dexamethasone suppression test, which is when a person is given a low dose of dexamethasone, which is an exogenous steroid that suppresses ACTH production in the pituitary gland.

另一种方法是地塞米松抑制试验，给被试低剂量的地塞米松，一种外源性类固醇，抑制垂体生成ACTH。