what is involved in a cortisol test
Guide. A cortisol test is done to measure the level of the hormone cortisol in the blood. The cortisol level may show problems with the adrenal glands or pituitary gland.Cortisol is made by the adrenal glands. Cortisol levels go up when the pituitary gland releases another hormone called adrenocorticotropic hormone (ACTH).uide. A cortisol test is done to measure the level of the hormone cortisol in the blood. The cortisol level may show problems with the adrenal glands or pituitary gland.
Cortisol is the main hormone involved in stress and the âfight or flightâ response. This response is a natural and protective response to a perceived threat or danger.ortisol is the main hormone involved in stress and the âfight or flightâ response. This response is a natural and protective response to a perceived threat or danger.