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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On Tuesday, June 24, the mayocliniclabs.com website will feature a refreshed homepage. Incorporating valuable feedback from users, the site has been redesigned it to highlight the most frequently used features and content. The aim to enhance user experience with a more intuitive, visually appealing, and responsive website. These new features will make it easier to find information and complete tasks.
Mike Baisch, Principal Systems Engineer at Mayo Clinic, discusses staffing to workload in phlebotomy areas with a focus on indirect effort, which includes tasks performed that don’t involve the patient or a patient’s sample.
In February 2018, Mayo Medical Laboratories announced two new tests along with numerous reference value changes, obsolete tests, and algorithm changes.
There have been concerns in the U.S. recently about the possible harmful side effects from absorbing gadolinium-based contrast agents into the body during some MRI exams. To address some of the anxiety and concerns over this issue, Paul Jannetto, Ph.D., DABCC, FAACC, and Joshua Bornhorst, Ph.D., DABCC, FAACC, Co-Directors of the Mayo Clinic Metals Laboratory and leading experts in this field, have compiled the following list of the most up-to-date information.
In January 2018, Mayo Medical Laboratories announced five new tests along with numerous reference value changes, obsolete tests, and algorithm changes.
By taking into account an individual’s genes, lifestyle, and environment, precision medicine offers the prospect of finding individualized therapies that might ultimately cure diseases such as cancer and diabetes. Yet, as with other technological revolutions, precision medicine’s quest for innovation bumps up against a host of legal issues—for patients as well as laboratories and providers of care.
In December 2017, Mayo Medical Laboratories announced seven new tests along with numerous reference value changes, obsolete tests, and algorithm changes.
This case presents a female patient in her 70s with pain in the right upper quadrant. An ultrasound showed pelviectasis bilaterally, right greater than left. What is the diagnosis?
Due to the Christmas holiday (recognized on Monday, Dec. 25) and the New Year's holiday (recognized on Monday, Jan. 1), Mayo Medical Laboratories’ specimen pickup and delivery schedules will be altered. To ensure that your specimen vitality and turnaround times are not affected, plan ahead and note that no pickups or deliveries will be made on Dec. 25 or Jan. 1 by Mayo couriers or by FedEx.
A recent Mayo Clinic study has found that many U.S. health care providers are habitually ordering a mostly unnecessary, and quite expensive, genetic test to identify a patient’s hereditary risk of venous thromboembolism.
Due to the Thanksgiving holiday in the United States (recognized on Thursday, Nov. 23), Mayo Medical Laboratories’ specimen pickup and delivery schedule will be altered. To ensure that your specimen vitality and turnaround time are not affected, plan ahead and note that no pickups or deliveries will be made on Nov. 23 by our couriers or FedEx.
In October 2017, Mayo Medical Laboratories announced eight new tests along with numerous reference value changes, obsolete tests, and algorithm changes.
This case presents an unusual colon polyp on an asymptomatic early 70 year-old male. At the time of screening colonoscopy, two small left colon polyps were noted and excised. What is the diagnosis?