A faecal occult blood test (FOB) checks for hidden (occult) blood in the stool (faeces). Newer tests look for globin, DNA, or other blood factors including transferrin, while conventional stool guaiac tests look for heme.
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A faecal occult blood test (FOB) checks for hidden (occult) blood in the stool (faeces). Newer tests look for globin, DNA, or other blood factors including transferrin, while conventional stool guaiac tests look for heme.