A blood draw is done twice during the day, once in the morning and another later in the day. Cortisol test: This test is used to look for signs of Cushing’s syndrome or Addison’s disease (when the adrenal glands make too much and too little cortisol, respectively).
Benign adrenal gland tumors are very common, while adrenal cancer is rare, affecting 1 or 3 per 1 million people. An aldosterone test can diagnose adrenal fatigue or insufficiency, or a possible tumor in the adrenal glands. Aldosterone test: With a sample of blood or urine, this test monitors how much aldosterone is in the body.A heel prick blood sample is analyzed for 17-hydroxyprogesterone, which is created when cortisol is produced by the adrenal glands. 17-Hydroxyprogesterone (or 17-OHP) test: This test is usually done as part of newborn screening in order to detect congenital adrenal hyperplasia.