your test is quite typical of flat line cortisol curve seen in advance adrenal fatigue. the use of steriod is dependent on a lot of factors and not the lab alone. Many people with flat curve recover very well on proper supplementation alone and in fact can get a lot worse with steriods. I seldom find steroid useful, and in fact, is one of the 7 common mistakes people make if you read my paper on that topic. Talk to your doc more about it and proceed with a lot of care if you choose to do so.