Ishubhu lokuhlola elinsomi liyiqhawe lokuhlolwa kwesistimu ye-hematology, ngoba i-ethylenediaminetetraacetic acid (EDTA) ekuyo ingachela ngempumelelo i-calcium ions kusampula yegazi, isuse i-calcium endaweni yokusabela, ivimbe futhi imise inqubo ye-endogenous Noma yangaphandle ye-coagulation. ukuvimbela ukuhlangana kwesifanekiso, kodwa kungenza ama-lymphocyte avele ama-nuclei amise okwezimbali, futhi kungashukumisa nokuhlangana kwamaplatelet ancike ku-EDTA.Ngakho-ke, ayikwazi ukusetshenziselwa ukuhlolwa kwe-coagulation kanye nokuhlolwa kokusebenza kweplatelet.Ngokuvamile, siguqula futhi sixube igazi ngokushesha ngemva kokuqoqwa kwegazi, futhi isifanekiso sidinga ukuxutshwa ngaphambi kokuhlolwa, futhi asikwazi ukufakwa phakathi nendawo.