If anything is out of ordinary, if they (read AFCME or IAM ) suspect anything, then ANYTHING & everything is fair game.
This forum is not the right place to ask such serious questions like which blood tests to expect...
First of all , No one is a doctor here & even most of the regular doctors don't even know what is acceptable in Civil Aviation.
Like I said, Find & consult a doctor who specialises in Aviation Medicine........
Saving a few hundred or a couple of thousand may cost you a lot more.....