crohn’s disease symptoms test

Diagnosing Crohn’s disease requires a multi-layered approach combining symptom assessment, blood work, fecal biomarkers, and imaging. In 2026, fecal calprotectin testing has become the frontline non-invasive tool, detecting intestinal inflammation with 85-90% accuracy before escalating to colonoscopy. Approximately 1.3 million U.S. adults now live with Crohn’s, and 19% present with complications within 90 days of