Several of those are more procedures than labs. Of course you can't get someone to do a procedure on you for free. Arterial sticks and biopsies may have nontriv

Several of those are more procedures than labs. Of course you can't get someone to do a procedure on you for free. Arterial sticks and biopsies may have nontrivial risks (and commensurate liability risk for the performing provider). PSA and troponin seem trivial to get. Did you look?