Worldwide Experience

Mayo Medical Laboratories is a global reference laboratory operating within Mayo Clinic’s Department of Laboratory Medicine and Pathology.

We are one of the largest clinical laboratories in the world with:

  • 3,200+ employees
  • 160+ physicians and scientists
  • 2,800+ tests, including the latest tests in Genetics, Biochemistry/Immunology, Anatomic Pathology and Microbiology

We provide reference testing for:

  • 4,000+ hospitals, clinics and laboratories – nearly every hospital in the United States
  • We serve customers in 130+ countries worldwide

For our international customers, we offer global support including:

  • Established transportation logistics to ensure fast turnaround time
  • MayoAccess for accurate ordering and results reporting
  • 24/7 customer service for live answers to questions anytime, any day
  • Conduit to Mayo Clinic consultants and resources

Primary Value:  The needs of the patient come first.

Mission:  To provide the best care to every patient every day through integrated clinical practice, education and research

Mayo Medical Laboratories offers more than test results.  We work collaboratively with the patient’s physician to advise on the selection and clinical application of laboratory testing during the overall episode of care.  This tie exemplifies our integration with our customers’ health care practice, resulting in seamless continuity between the diagnostic process and treatment.

Contact Us About International Services

Telephone: 507.266.5700
Fax: 507.284.0947
E-mail: