His explanation, paraphrased, for the inaccuracies for the lab tests is: They took ten of the top labs in the country (didn't say which) and provided them all with identical specimens for them to run the same tests and they came back with ten very different results. So, based on this observation, they came up with a calculation based on a variety of variables in which I am not familiar with. I'm just stating what I was told.
From previous labs, I had my LH and FSH checked. Low end of normal range based on that labs standards but each lab has their own. Based on these levels he was concerned because typically, he said, low T produces high FSH and LH and vice versa. Reason for the MRI.
He allowed me to try clomiphene on my request but said "I hope it doesn't work so that you know this isn't an issue but I do not have a problem with you trying it yourself." I sort of told him that if he didn't let me try it I would try it somewhere else.
I am no doctor nor do I claim I know exactly what I'm saying or repeating what I interpreted correctly. I'm restating, to the best of my memory, my experience.