Detect Hidden Digestive Bleeding - Fecal Occult Blood Test (FOBT)

Test to detect presence of occult (invisible to naked eye) blood in stool sample. Based on chemical or immunological reaction that detects presence of hemoglobin or its components (heme or globin) in stool. Considered important screening test for diagnosing bleeding from any part of digestive system, especially large intestine (colon), which may be early sign of colon cancer, polyps, or other inflammatory diseases.