


In this test, a health care professional will give you an intravenous (IV) injection of man-made ACTH, which is just like the ACTH your body makes. The ACTH stimulation test is the test used most often to diagnose adrenal insufficiency. The next step is blood testing to see if your cortisol levels are too low and to help find the cause. Your health care professional may suspect it after reviewing your medical history and symptoms.

In its early stages, adrenal insufficiency can be hard to diagnose since symptoms come on slowly. Your doctor will review your symptoms and run tests to confirm that your cortisol levels are low. How do doctors diagnose adrenal insufficiency?
