Setting the global standard of diagnostic care
At Mayo Clinic Laboratories, we believe all patients deserve access to world-class diagnostic care. We work with hospitals and healthcare providers around the world to deliver unparalleled expertise and innovative diagnostic evaluations that solve the most complicated cases.
Fully integrated with Mayo Clinic and backed by more than 150 years of clinical experience, Mayo Clinic Laboratories was built upon a tradition of knowledge sharing to improve healthcare around the world. When you work with us, you gain access to the world’s most sophisticated test menu, world-renowned experts, and educational opportunities to strengthen your practice, advance knowledge, and improve patient outcomes.
Focused on quality
At Mayo Clinic Laboratories, test development is based on patient need and guided by quality management protocols modeled on standards and guidelines from the Clinical and Laboratory Standards Institute. Our extensive test validation includes a breadth of specimens with rare abnormalities. Our laboratories are CLIA-certified and CAP-accredited, and we participate in U.S. and international proficiency programs.
Commitment to education
The exchange of knowledge is a founding principle of Mayo Clinic. In this tradition, we provide a wide range of educational offerings to help our clients increase understanding.
- Regionally based clinical specialists guide best practices through physician education.
- Access to Mayo Clinic Laboratories education and insight articles.
- Many courses offer CME credits.
- Online trainings are available, such as “Dangerous Goods Shipping,” with printable certificates.
Enhanced patient outcomes
Mayo Clinic Laboratories is dedicated to the health and well-being of our patients, which means helping providers deliver care in their local settings through the utilization of our comprehensive subspecialty test menu. Our mission is grounded in our belief that the patient’s needs are paramount, and our clients receive access to:
- Expert-developed algorithms that ensure the right patient receives the right test.
- Testing for rare and complex conditions, with some of that testing exclusive to Mayo Clinic Laboratories.
- Expeditious results due to continuous test processing.
“We treat all of the specimens we receive with the same high degree of care and quality, regardless of where the sample is coming from. We could be testing a sample from a patient that lives in Rochester, Minnesota, or from someone that lives halfway across the world.”
Bobbi Pritt, M.D., Director of the Clinical Parasitology Laboratory

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Learn more about how Mayo Clinic Laboratories approach to whole transcriptome RNA sequencing provides the most comprehensive detection of gene fusions in solid tumors through use of next-generation sequencing to identify fusions in 1,445 genes.
Lisa Rimsza, M.D., explains how Mayo Clinic Laboratories' unique PM3CX test can accurately determine subtypes of large B-cell lymphoma. Precise diagnosis is critical to choosing appropriate chemotherapy.
After immigrating to the United State and becoming a U.S. citizen at the age of 18, Holocaust survivor Kurt Glover-Ettrich chose to give back to his new homeland by serving a 30-year career in the U.S. military. Today, as a Mayo Clinic volunteer, Kurt is giving back in new ways for the 22 years of regular care, treatment, and laboratory testing he’s received in response to the prostate cancer diagnosis that first brought him to Mayo Clinic.
Mayo Clinic Laboratories, a leading global reference laboratory, and Progentec Diagnostics, a digital health and biomarker technology-based company focused on autoimmune conditions, today announced a strategic collaboration to bring Progentec’s suite of proprietary biomarker blood tests for the proactive management of autoimmune diseases to market. The collaboration aims to increase accessibility for providers and patients across the U.S. and select global markets.
In this month's "Hot Topic," Patricia Greipp, D.O., discusses fluorescence in situ hybridization, or FISH testing, particularly related to pediatric patients with hematologic malignancies.
In this episode of “Lab Medicine Rounds,” host Justin Kreuter, M.D., speaks with Timothy Wiltshire, Ph.D., assistant professor of laboratory medicine and pathology in the division of transfusion medicine to discuss what’s new with CAR-T cells.
This page includes updates posted to Mayo Clinic Labs during the month of October.
In this month’s “Hot Topic,” Anne Tebo, Ph.D., discusses recent updates in the testing for anti-SS-A/Ro antibodies in systemic autoimmune rheumatic diseases.
In this episode of “Lab Medicine Rounds,” host Justin Kreuter, M.D., speaks with Robert Fazzio, M.D., Ph.D., assistant professor of radiology and chair of the Division of Breast Imaging at Mayo Clinic in Rochester, Minnesota.
In a recent discovery by Mayo Clinic Laboratories, a novel hemoglobinopathy category was identified and termed epsilon gamma thalassemia. The first instance of the disorder was found in 2017 when an obstetric patient underwent a routine screening for blood-related illnesses such as sickle cell disease and thalassemia. Upon completion of additional tests, doctors found an abnormality they had never seen before.
In August of 2021, 28-year-old Mike Knudson, a Twin Cities resident known for his vibrant and active lifestyle, set out on what he anticipated to be an adventurous hiking vacation to the picturesque Glacier National Park in Montana. Little did he know that this journey in nature would be the start of an unexpected life path.
In this episode of “Lab Medicine Rounds,” host Justin Kreuter, M.D., speaks with Allan Jaffe, M.D., Wayne and Kathryn Preisel Professor of Cardiovascular Disease Research, Professor of Laboratory Medicine and Pathology, and Professor of Medicine, in the Department of Cardiovascular Diseases at Mayo Clinic to discuss cardiac troponins and checkpoint inhibitors.
In this episode of “Answers From the Lab,” host Bobbi Pritt, M.D., chair of the Department of Laboratory Medicine and Pathology at Mayo Clinic, is joined by William Morice II, M.D., Ph.D., CEO and president of Mayo Clinic Laboratories. They discuss the U.S. Food and Drug Administration’s (FDA) recently proposed rule that if finalized, would phase out its current enforcement discretion used for laboratory developed tests (LDTs), and regulate all laboratory tests as medical devices regardless of where they are manufactured.