@madman Thanks for your reply.
I did the different labs because of the fundamental question about decision points for the doctor prescribing such treatments. I hope it provides some perspective for others. So, yes, it was basic scientific curiosity on my part to compare labs. This is why I wanted to get them done as close to the same time as possible. I use the cream from Empower. 200mg/ml. 1 click to scrotum, 2 clicks to shoulder. As I mentioned I applied the cream that day at 6am, then LabCorp test at 8am, then Quest (Discount Lab) dialysis test at 9am.
Could there have been an extreme peak in absorption at that last hour accounting for the wide difference in results?
I'm thinking of cutting back on dose until my consult with MD which, unfortunately is booked out due to his schedule about three weeks.