The evaluation of appendicitis begins with a medical history and physical examination.

Physical findings in those with appendicitis include:

• Tenderness in the right lower part of the abdomen
• Fever

Testing may be used to confirm the diagnosis of appendicitis.

Tests that may be used to evaluate appendicitis include:

• Complete blood count
• White blood cell count
• Urinalysis
• Abdominal x-ray
• CT scan of the abdomen:
• Very good test for diagnosing appendicitis
• Ultrasound of the abdomen