Fecal Occult Blood/Transferrin Test Kit(colloidal gold method) is a coloured chromatographic immunoassay (cut-off qualitative test) for the simultaneous qualitative determination of human haemoglobin (hHb) and human transferrin (hTf) in stool samples. Fecal Occult Blood/Transferrin Test Kit(colloidal gold method)offers a simple, a highly sensitive and non-invasive screening assay to make a presumptive diagnosis of gastrointestinal bleeding.