Tests and diagnosis

By Mayo Clinic Staff

Diverticulitis is usually diagnosed during an acute attack. Because abdominal pain can indicate a number of problems, your doctor will need to rule out other causes for your symptoms.

Your doctor will likely start with a physical examination, including checking your abdomen for tenderness. Women, in addition, generally have a pelvic examination to rule out pelvic disease.

After that, your doctor will likely recommend:

  • Blood and urine tests, to check for signs of infection.
  • Pregnancy test for women of childbearing age, to rule out pregnancy as a cause of abdominal pain.
  • Liver function tests, to rule out other causes of abdominal pain.
  • Stool test, to rule out infection in people who have diarrhea.
  • CT scan, which can indicate inflamed or infected pouches and confirm a diagnosis of diverticulitis. CT can also indicate the severity of diverticulitis and guide treatment.
Aug. 07, 2014

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