From what I understand a stimulation test cannot be given while on medication. (steroids) The only stimulation test I’ve had done is with cortrosyn(sp?)  testing acth without looking at everything can’t really tell much, because as in 17ohp can fluctuate with stress. I would assume that he would have to be injected with something to get a before and after result. Not sure what you are asking.

 I don’t know anything about renin, my daughter’s results came back low, and we don’t know why. She is not a sw, she has mild locah.