Unfortunately, it is new and its only available in Australia and still ... new ...
"PEDIATRICIANS at a Sydney hospital have developed a world-first non-invasive test for inflammatory bowel disease ..."
They've developed a test which measures a protein called S100A12 in faeces and can indicate whether a patient needs to have further invasive tests or not.
http://www.smh.com.au/news/national/doctors-out-of-a-tight-spot/2008/06/27/1214472770894.html