I know it's a relatively new test and they will only test once every four weeks but I read that its so accurate in showing up bowel inflammation that often enables patients to avoid endoscopies, which is always a good thing!!
FC levels
I had a FC level of 1550 2 months ago....now it's 960 after 8 weeks on a liquid diet. I think normal is 50 so a long way to go but the trend is looking promising.