Inflammatory Bowel Disease

Learn how our bile acids malabsorption panel was used to diagnose IBS-D in a 72-year-old woman.

By Mayo Clinic Laboratories • July 15, 2026

April 28, 2025 - Inflammatory bowel disease (IBD) is classified as either Crohn’s disease or ulcerative colitis, based on clinical presentation, endoscopic findings, histopathology, and disease distribution.

By MCL Education • December 4, 2025

Maria Alice Willrich, Ph.D., and Melissa Snyder, Ph.D., explain how Mayo Clinic Laboratories' unique risankizumab panel measures levels of both that drug and its antibodies in patients' blood. The results can better guide the management of patients with inflammatory bowel disease.

By Barbara J. Toman • August 6, 2024

Maria Alice Willrich, Ph.D., explains how Mayo Clinic Laboratories' new assay provides therapeutic drug monitoring of risankizumab, or RISA. Test results help guide care for patients with plaque psoriasis, psoriatic arthritis, and Crohn's disease.

By Barbara J. Toman • April 16, 2024

Mayo Clinic Laboratories introduces an advancement in the management of Crohn's disease with the release of a new laboratory test that measures Risankizumab levels in patients. This test will advance the therapeutic monitoring of Crohn's disease, enabling personalized treatment approaches.

By Suzanne Ferguson • April 16, 2024

Ann Moyer, M.D., Ph.D., explains how Mayo Clinic Laboratories' test panel provides comprehensive evaluation of patients with suspected monogenic early onset inflammatory bowel disease, or IBD. Accurate diagnosis is key to guiding therapy for patients, who might be as young as 2 years of age.

By Barbara J. Toman • February 20, 2024

Maria Willrich, Ph.D., and Melissa Snyder, Ph.D., describe Mayo Clinic Laboratories' panel for proactive therapeutic drug monitoring of patients with inflammatory bowel disease. The panel expands options for clinicians assessing patients' response to infliximab and adalimumab.

By Barbara J. Toman • December 12, 2023

Puanani Hopson, D.O., explains how Mayo Clinic Laboratories’ malabsorption panel can provide timelier diagnosis for children with chronic diarrhea or unexplained weight loss. The novel panel, which bundles four existing tests, requires just one stool sample.

By Barbara J. Toman • November 15, 2022

Many patients may have flare-ups of their disease, or they may stop responding to treatment. In these situations, the clinician may choose to increase the dose administered or recommend more frequent injections. One cause of decreased response to treatment is the appearance of anti-drug antibodies or “immunogenicity.”

By Mayo Clinic Laboratories • September 7, 2018