A na-eji ngwa a maka nchọpụta qualitative in vitro nke helicobacter pylori nucleic acid na gastric mucosal biopsy tissue sample ma ọ bụ ihe atụ nke mmiri nke ndị ọrịa a na-enyo enyo na ha nwere helicobacter pylori, ma na-enye ụzọ enyemaka maka nyocha nke ndị ọrịa nwere ọrịa helicobacter pylori.