1) Nciphisa ukuwohloka kwamangqamuzana egazi amhlophe namaseli abomvu egazi futhi unikeze ubuqotho besampula ngesikhathi sokugcinwa, ukuthuthwa kanye nokucutshungulwa kwamasampula egazi.
2) Uma kuqhathaniswa neminye imithambo yokuqoqa igazi, kunciphisa i-hemolysis futhi kwandisa ukukhiqizwa kwe-plasma ngemva kokugcinwa.
I-3) Ukugcinwa kwezinga lokushisa kwegumbi kunciphisa izindleko nobunzima obuhambisana nokuhamba ngamaketanga abandayo.
I-4) Akukho ukulungiswa kwe-plasma okusheshayo okudingekayo.
Amashubhu okuqoqa igazi asetshenziselwa ukuqoqa nokugcina amasampula egazi isikhathi eside.Lawa mashubhu ahlinzeka ngokunemba, ukunemba, isivinini, ukuphepha kanye nokusebenziseka kalula phakathi nezinqubo zokuxilonga ezifana ne-liquid biopsy.I-Liquid biopsy iyindlela engavaleli noma ehlasela kancane kune-biopsy yokuhlinzwa, evumela odokotela ukuthi bathole ukuqonda ngamathumba ngokwenza ezinye izivivinyo kumasampula egazi.