Occult Blood Test

Faecal Occult Blood Test (FOBT) also called Guaiac smear test or Stool Guaiac test, is used to screen stool samples for hidden (occult) blood that is not visible with the eyes. Bleeding in the digestive tract may be as a result of a slight irritation or a serious cancer. Occult Blood test helps to indicates ulcers, polyps, colon cancer or hemorrhoids.