In most cases, diverticulitis is diagnosed when symptoms are currently flaring up (also known as a diverticulitis attack). In order to make an accurate diagnosis, the doctor will need to rule out other causes for the symptoms because abdominal pain can indicate a number of problems. Initially, the doctor will perform a physical examination, which will include checking the patient’s abdomen for tenderness. For women, a pelvic examination is typically performed as well to rule out pelvic disease. Doctors may perform the following tests: • Blood and urine tests • Pregnancy test for women of childbearing age • A liver enzyme test • A stool test • A CT scan