Johns Hopkins Pathology: Clinical Chemistry Laboratory

Division of Clinical Chemistry

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. The Clinical Chemistry Division supports clinical services, education of medical technologists, medical laboratory technicians and clinical pathology residents and fellows, and maintains research and development efforts to improve the quality of laboratory-based patient care.

Directors

Daniel Chan, PhD, DABCC, FACB
Director of Clinical Chemistry Division
Co-Director of Pathology Core Laboratories

Lori Sokoll, PhD
Associate Director of Clinical Chemistry Division
Director of Special Chemistry Lab

William Clarke, PhD, MBA, DABCC
Director of Point-of-Care Testing and Clinical
Toxicology Lab

Claire Knezevic, PhD
Director of Critical Care Labs

Mark A. Marzinke, PhD, DABCC
Director of Preanalytics and General Chemistry Lab


Fellows	Nadia Ayala-Lopez, PhD, MLS & Kyana Garza Click here to learn more about the Clinical Chemistry Postdoctoral Fellowship Program.
Manager	Lydia Nelson, MS
Technical/Operations Supervisor	Brandon Tenney, MSLA, MT(ASCP) Total Lab Automation, Rapid Response, Critical Care, Biocontainment Unit
Special Chemistry Supervisor & Drug Assay Supervisor	Pamela Jarrar, MBA MT(ASCP)
Quality Assurance Specialist	Lona Small, MBA, MT(ASCP)
Quality Control Technologist	Sondra Mitchell, MT (CASCP)