24-hour Saliva Cortisol
The 24-hour Saliva Cortisol test is an at-home test used to determine your daily cyclic cortisol levels at 4-6 key times during a 24 hour period. Saliva is gathered in tubes by a patient then sent to a particular lab facility for analysis.
Cortisol, also called the stress hormone, is a long-acting steroid released by the adrenals in response to stress.
***To read what thyroid patients have learned in interpreting this test, go here.