To diagnosis your child's condition, your doctor is likely to:

  • Perform an exam and take your child's medical history. Your doctor will give your child a physical exam and gather details about his or her signs and symptoms. Your doctor likely will ask about any other medical conditions for which your child has been treated.
  • Request laboratory tests. Certain blood tests can help determine whether your child has an infection and what type of infection it is.
  • Order imaging studies. A computerized tomography (CT) scan of your child's abdomen can help differentiate between appendicitis and mesenteric lymphadenitis. Abdominal ultrasound also may be used.