Cikakken bayanin
Gwajin jinin haila kuma ana kiransa gwajin jinin najasa.Gwaji ne da ake amfani da shi don bincika ɓoye ƙwayoyin jajayen jini ko haemoglobin a cikin stool, transferrin.Wannan alamar bincike ce mai fa'ida sosai ga zubar jini na GI.
Jini na ɓoyayyiyar haɓɓaka, gargaɗin farko ne game da rashin daidaituwar tsarin narkewar abinci, lokacin da yawan zubar jini na gastrointestinal ya ƙanƙanta, bayyanar najasa ba zai iya zama wani canji mara kyau ba, wanda ido tsirara ba a iya gane shi.Don haka, ya kamata a yi gwajin jini na ɓoyayyiyar fecal ga marasa lafiya da ake zargi da zub da jini na gastrointestinal na yau da kullun, wanda ke da mahimmanci ga farkon tantance cututtukan cututtukan gastrointestinal (kamar ciwon daji na ciki, ciwon daji, polyps, adenomas).