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Department and Faculty

The Mayo Clinic Department of Laboratory Medicine and Pathology is one of the largest clinical laboratories in the world. It is composed of 1,600 people working in 40 specialty laboratories performing more than 20 million tests a year.

A highly skilled team of medical professionals including physicians, scientists, medical technologists, medical technicians, lab assistants, biologists, chemists, microbiologists, geneticists and other specialists work collaboratively. The department receives specimens for testing from Mayo Clinic and Mayo Clinic Health System and is a reference laboratory for other clinics and hospitals both nationally and internationally.

Mayo Clinic's Division of Hematopathology is responsible for, or interacts with, laboratories that perform more than 800,000 tests directly related to hematologic diseases each year. Typical annual volumes of some tests include:

  • 7,000 bone marrow examinations
  • 7,000 lymph node examinations
  • 233,000 complete blood counts
  • 31,000 hemoglobin electrophoresis tests
  • More than 200,000 immunoperoxidase stains (800 to 900 slides a day)
  • 19,000 hematologic flow cytometry tests
  • Aug 25, 2014
  • ART760304