Faecal Occult Blood Test Many people have never heard of the FOBT (faecal occult blood test) before, but it's an important blood test that can save your life! A faecal occult blood test (FOBT) is also known as a stool occult blood test, hemoccult II test, or FIT (faecal immunochemical test). If you're unfamiliar with this test and don't…