MLabs is a full-service reference laboratory, with more than 35 years’ experience providing state-of-the-science tools and expertise to help clinicians and patients choose the right clinical path. 

MLabs is part of Michigan Medicine – one of the largest hospital systems in the world, and one of the best – ranked #11 in the nation and #1 in the state by U.S. News and World Report.

MLabs’ hybrid model combines the scientific rigor and proactive infrastructure investment of a leading academic research institution with the efficiency, flexibility and responsiveness of a private reference lab.

MLabs connects pathologists, clinicians, health systems and commercial laboratories with the next-generation testing modalities and consultative support needed to meet the challenges of personalized, precision medicine.

Best Hospitals US News and World Report
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MLabs offers the uncompromised credibility and integrity of Michigan Medicine’s Department of Pathology Laboratories at one of the nation’s top academic medical centers. For your convenience, we have posted all of our certifications and accreditations.

Quality and Control

MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.

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The majority of Michigan Medicine’s pathology enterprise – including MLabs, now occupies 146,000 square feet configured with lean facility design principles located at the North Campus Research Complex, located about 4.5 miles from the main hospital campus. 




Meeting the needs of today’s patients by delivering the highest quality laboratory results in a cost-effective manner, offering:

  • A complete menu of the laboratory tests that drive personalized medicine, including state-of-the-science molecular diagnostic and interpretive services
  • Nationally-recognized faculty, easily accessible for consultation
  • On-time delivery of effective, comprehensive reports
  • Dedication to creating and supporting strategic pathology partnerships


Driving tomorrow’s health care solutions with state-of-the-science, personalized laboratory information and consultation.




Dr. Dahl
Julia Dahl, M.D.


MLabs Director Julia Dahl, M.D., is board certified in anatomic and clinical pathology with special expertise in immunohistochemistry, GI/liver and placental pathology. Dr. Dahl has lectured and authored numerous journal articles and book chapters on pathology and is a past treasurer and chair of the finance committee for the U.S. & Canadian Academy of Pathology. 

Dr. Dahl was recruited to U-M in 2016 after fifteen years in private practice. Before joining MLabs, she focused on GI/liver pathology in high-volume specialty laboratories, founding Mosaic Pathology Consultants, a Memphis, TN-based provider of specialty and hospital-based pathology, in 2005. Mosaic turned to MLabs as a primary partner for consultation in flow cytometry and molecular diagnostics to help them serve a more diverse and complex patient base. Dr. Dahl is also Founder, C.E.O. and Medical Director of DxOptim, LLC, a manufacturer of quality control materials for immunohistochemistry, in situ hybridization and histochemical stain procedures.  

As a physician leader, academician and entrepreneur, Dr. Dahl brings a unique perspective to the MLabs leadership team.

Deirdre Fidler, MHSA., B.S., MT(ASCP)

Division Administrative Manager

Deirdre Fidler provides strategic planning and managerial oversight for MLabs’ administrative and operational activities. She has held a variety of roles in the MLabs division, including contracting, billing and finance, client services, and operations.

Fidler’s 30+ year career with the University of Michigan began as a Medical Technologist. She joined MLabs in 1995 after earning a master’s degree in health service administration from the U-M School of Public Health. 

Karla Bialk, M.S. MT(ASCP)

Business Development Manager

Karla Bialk leads MLabs’ business development team, responsible for strategic planning and initiatives related to growing business volume and expanding our geographic reach.An accomplished healthcare executive with an impressive record of success, Karla is committed to inspiring teams, maximizing talent and championing continuous improvement.

Prior to joining MLabs, Karla served in various leadership roles at Ascension-Providence Health System (formerly St. John Health), including Business Development Director and Core Lab Director, after gaining significant hands-on experience, first as a medical technologist and then a client services representative, supervisor, specialist and manager. 



Celina Kleer, MD Elected to the AAP

Congratulations to Celina Kleer, MD, the Harold A. Oberman Collegiate Professor of Pathology and Director of Breast Pathology Research, on her election to the prestigious Association of American Physicians (AAP).

Dr. Daniel Boyer named Hematopathology Section Director

We are pleased to announce Dr. Daniel (Dan) Boyer as the Hematopathology Section Director. Dr. Boyer received his MD and PhD from Vanderbilt University School of Medicine in 2009 and subsequently completed an Anatomic Pathology residency and Hematopathology fellowship at Massachusetts General Hospital, serving as the Chief Resident in Anatomic Pathology during his training experience.

Drs. Rouba Ali-Fehmi and Lee Schroeder win Global Health Equity Awards

The Center for Global Health Equity (CGHE) at the University of Michigan announced the winners of their CGHE Grant competition and two of Pathology’s faculty were among the four award recipients. Dr. Rouba Ali-Fehmi and team were awarded one of three CGHE Seed Grant Awards and Dr. Lee Schroeder and team received the year’s only Impact Accelerator Program Award.