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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In this episode of “Answers From the Lab,” host Bobbi Pritt, M.D., chair of the Division of Clinical Microbiology at Mayo Clinic, and William Morice II, M.D., Ph.D., CEO and president of Mayo Clinic Laboratories, discuss troublesome organisms making headlines.
This list includes updates posted to mayocliniclabs.com during the month of October.
In this test specific episode of the "Answers From the Lab" podcast, Ruifeng (Ray) Guo, M.D., Ph.D., explains how Mayo Clinic Laboratories' comprehensive melanoma panel better informs prognosis and treatment.
In the inaugural episode of the "Leveraging the Laboratory" podcast, host Jane Hermansen, outreach manager at Mayo Clinic Laboratories, is joined by outreach colleagues Brianne Newton and Ellen Dijkman Dulkes. They discuss their laboratory backgrounds, the history and importance of laboratory outreach, and how their work can support the growth of hospital laboratories.
Rondell Graham, M.B.B.S., describes Mayo Clinic Laboratories' new colorectal cancer panel. The assay covers more genes to better inform decision-making about prognosis, targeted therapies and a hereditary cancer syndrome.
Ying-Chun Lo, M.D., Ph.D., explains how Mayo Clinic Laboratories' updated lung panel can better guide clinical decision-making, particularly about targeted lung cancer therapies.
In this month's "Hot Topic," David Viswanatha, M.D., discusses updates to Mayo Clinic's next-generation sequencing (NGS) for myeloid neoplasm evaluation, involving new test targets, the rationale for new genetic regions, alignments with the World Health Organization (WHO) guidelines and germline predisposition targets.
In this episode of “Lab Medicine Rounds,” Justin Kreuter, M.D., sits down with Justin Juskewitch, M.D., Ph.D., and Andrew Norgan, M.D., Ph.D., both assistant professors of laboratory medicine and pathology at Mayo Clinic, to talk about informatics for the pathologist.
Andrew McKeon, M.B., B.Ch., M.D., explains how Mayo Clinic Laboratories' pediatric autoimmune/CNS testing can better guide the treatment of autoimmune neurological diseases in children. The tailored evaluation covers only biomarkers relevant to pediatric presentations of the diseases.
Loralie Langman, Ph.D., explains the difference between chain of custody and clinical toxicology testing. Chain of custody is a process used for toxicology testing when the results might have legal implications for the individual tested. Clinical toxicology testing is used for routine medical care. Mayo Clinic Laboratories offers a full range of clinical and forensic toxicology testing.
In this episode of “Lab Medicine Rounds,” Justin Kreuter, M.D., sits down with Matt Binnicker, Ph.D., director of Clinical Virology and vice chair of practice in the Department of Laboratory Medicine and Pathology at Mayo Clinic, to discuss the laboratory medicine perspective of Monkeypox.
This list includes updates posted to mayocliniclabs.com during the month of September.
Lisa Brown, quality specialist for Mayo Clinic Laboratories customer service, explains working "behind the scenes" when a client calls Mayo Clinic Laboratories with an inquiry, that call is typically picked up within 20 seconds by an agent from Mayo Laboratory Inquiry (MLI). There are no phone trees or automated menus to wade through before they reach an agent. Agents mind the phones 24/7, 365 days a year.