The Clinical Chemistry Laboratory at The Johns Hopkins Hospital is located within the Department of Pathology Core Laboratory and serves to provide CAP/CLIA-certified, high-quality laboratory services to the Johns Hopkins Health System. The Clinical Chemistry Division provides general chemistry, special chemistry, and toxicology services to the Johns Hopkins Hospital, Bayview Medical Center, Howard County General Hospital, Suburban Hospital, Sibley Memorial Hospital, the Johns Hopkins Outpatient Centers, and the Johns Hopkins Community Physicians group.

For any questions:

Contact Us
Terry Mays - Core Lab
Mark Marzinke, Ph.D.

Faculty SpotLight

Mark Marzinke, Ph.D.

Dr. Mark Marzinke is Associate Professor of Pathology and Medicine at the Johns Hopkins University School of Medicine. Dr. Marzinke serves as the Director of General Chemistry in the Johns Hopkins Hospital Core Laboratories, and is the Director of the Clinical Pharmacology Analytical Laboratory within the Division of Clinical Pharmacology. He is also Co-Director of the HIV Prevention Trials Net... Read full bio

Browse All Faculty

Congratulations, Dr. Mike Borowitz!

Michael Borowitz, M.D., Ph.D.

Dr. Mike Borowitz has been named as a founding member of Association of Pathology Chairs' (APC) Academy of Distinguished Pathology Educators, an exceptional group of accomplished educators which serves as the voice of academic departments of Pathology in the U.S. and Canada.

Congratulations Dr. Borowitz!

To see the full list of the new founding members, click here.

2022 Clinical Awards for Physicians and Care Teams

Swetha Paluru, Christopher Gocke and Kevan Salimian
Swetha Paluru, M.B.B.S., Christopher Gocke, M.D. and Kevan Salimian, M.D., Ph.D.

We had three faculty members in Pathology who received a SOM award:

  • Armstrong Award for Excellence in Quality and Safety - Swetha Paluru, M.B.B.S
  • Clinical Collaboration and Teamwork - Christopher Gocke, M.D. and Kevan Salimian, M.D., Ph.D.

Congratulations team!

Congratulations, Allen Valentine!

Allen Valentine

Allen Valentine, the Senior Administrator of Pathology, was presented with the distinguished honor of Ronald R. Peterson Achievement Award. This award is presented annually to a leader who exemplifies exceptional dedication and outstanding career contributions as well as unwavering integrity and enduring mentorship. Congratulations to Allen on a well-deserved award of accomplishment and recognition!