One question I have for people who have taken the test - how many vials of blood gets taken? Hi Maria, My recollection is it is only one vial. If you are using their phlebotomist service, then no worries. If you are using your own phlebotomist (we did), then make sure they read the directions caref...

Hello, I have been lurking on and off, but seeing this project has galvanized me into action. I have ordered my test. One question I have for people who have taken the test - how many vials of blood gets taken? Asking because I have always had a slightly below average RBC count and taking took many ...