Diagnosis A healthcare professional will likely diagnose Crohn's disease only after ruling out other possible causes for symptoms. There is no single test to diagnose Crohn's disease.

WebMD explains the steps for diagnosing Crohn's disease, including physical exams, blood work, and lab tests.

Diagnosing Crohn's disease may take a few different tests and some time but an accurate diagnosis is important in order to receive treatment.

The Crohn’s & Colitis Foundation will support and guide you through your diagnosis and testing, and help you establish a relationship with your doctor. Learn more about tests that may be …

Learn how doctors diagnose Crohn’s disease or rule out other diseases using family and medical history, a physical exam, lab tests, endoscopy, and imaging.