It has to be noted that similar to donor selection, more stringent testing requirements introduced by some Member States are sometimes perceived by healthcare professionals ordering tissues or cells from other Member States as barriers hampering development and the cross-border movement of tissues and cells between Member States.
Važno je istaknuti da, slično kao u slučaju odabira darivatelja, zdravstveni djelatnici koji naručuju tkiva ili stanice iz drugih država članica ponekad strože zahtjeve u pogledu testiranja koje su uvele pojedine države članice smatraju preprekama razvoju i prekograničnom kretanju tkiva i stanica između država članica.