Pinnacle BioLabs Second Generation FIT Colorectal Cancer Test is THE test used by physicians. The American College of Gastroenterologists recommend a FIT test annually to everyone over 45, and beginning at 45 for African Americans and American Indians. The FIT test is 98% sensitive, 96% specific -with Lab accurate results (for occult, or hidden, blood in the lower GI tract) NOTE: If this test comes back as positive, it DOES NOT necessarily mean you have colon cancer. It means you have blood in your stool, which should not be there, and you see a Gastroenterologist