Introduction Abdominal pain is one of the most common complaints in healthcare, ranging from mild discomfort to severe, urgent conditions. Because the abdomen contains many vital organs—the stomach, intestines, liver, gallbladder, pancreas, kidneys, and reproductive organs—pinpointing the exact cause is not always simple. When the cause of pain isn’t obvious through history and physical examination alone, doctors may order diagnostic tests. These include laboratory studies, imaging scans, and endoscopic procedures (scopes). This article explains the common tests used to diagnose abdominal pain and what to expect from them. Initial Evaluation: History and Physical Exam Before ordering tests, your doctor will…