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Table of Contents > Health Dictionary > Immunoassay fecal occult blood test

Immunoassay fecal occult blood test

Abbreviated IFOBT, this assay is used to test for blood in the stool by gathering water droplets on the stool with a brush while the stool is in the toilet. Blood in the stool may be indicative of colorectal cancer. Also known as immunologic fecal occult blood test and immunochemical fecal occult blood test.