what tests to run for colitis
DIAGNOSING CROHNâS DISEASE AND ULCERATIVE COLITIS. A variety of tests are used to diagnose and monitor Crohnâs disease and ulcerative colitis, the two main types of. inflammatory bowel disease (IBD). Procedures range from simple blood tests to barium x-rays and colonoscopy, which. require preparation the day before the tests. A proper diagnosis of IBD involves determining the disease type (Crohnâs. disease or ulcerative colitis), extent and severity of disease, and any related complications.