Fecal Occult Blood (FOB, Stool for Occult Blood)

Negative
. Stool sample
■ Used to detect microscopic bleeding into the GI tract.
■ Routine screening test for patients over 50 years old.
■ Positive in ulcers, polyps, hemorrhoids, tumors,
inflammatory bowel disease, diverticulosis, and other
disorders of the GI tract.