Meritus Medical Laboratory

*If you have been tested for COVID-19, your results will be available in your MyChart account.

Clinical Laboratory Services in Hagerstown

Service awardMeritus Medical Laboratory is a full-service clinical laboratory committed to quality, convenience, and reliability. We know that the test results of every specimen represent an individual who is depending on our dedication and expertise.

We serve the four-state region of Maryland, Pennsylvania, West Virginia, and Virginia. In addition to performing testing for Meritus Medical Center's patients around the clock, we have 7 centers for walk-in customers.

Our testing expertise includes:

  • Chemistry
  • Hematology
  • Microbiology
  • Bacteriology
  • Immunology
  • Molecular Diagnostics
  • Parasitology
  • Virology
  • Pathology
  • Cytology
  • Histology
  • Transfusion Services

Meritus Medical Laboratory is led by four board-certified pathologists who provide medical and technical support in addition to consultation. The balance of our technical staff is composed of medical technologists and medical laboratory technicians. Specimen collection is facilitated by our staff of 60 phlebotomists, plus a full complement of couriers and registration clerks. Highly trained customer service reps and administrative staff work diligently to provide our clients and patients with the service and results they need and deserve. We strive to maintain that dependability with every patient.

Certifications, Licenses & Accreditations

Meritus Medical Laboratory is accredited by the College of American Pathologists (CAP) and adheres to the requirements of the Clinical Laboratory Improvement Act (CLIA) '88 and requirements of the State of Maryland. Meritus Medical Laboratory is enrolled in the CAP Proficiency Testing Program, the CAP Tech Sample Program, and participates in the American Society of Clinical Pathologists (ASCP) Check Sample Program.

Our licenses, certifications, and accreditation include:

A quality control program specifically tailored to the scope of testing is maintained by each section of the laboratory. An active review process assures timely correction of untoward findings. Meritus Medical Laboratory is proud to be associated with the highly respected Nichols Institute of Quest Diagnostics. Nichols Institute provides reference laboratory services, clinical and medical consultation, continuing education, courier services, and many other value-added services.

How to Contact Us

For laboratory results and general information call:

  • 301-665-4900
  • 301-665-4LAB
  • 800-428-2105

Our principal objective is to furnish you with consistently accurate test data along with rapid, convenient, and economical laboratory services. The laboratory staff welcomes your questions and constructive suggestions. The key members of the laboratory staff and their phone extensions are listed below for your convenience.




Medical Director

Michael J. O'Donoghue, M.D.


Associate Pathologist

Jianwu Xie, M.D.,Ph.D.


Administrative Director

Jeffrey S. Seiple, M.B.A., B.S., MT, (ASCP)SM


Patient Service Centers
& Nursing Home Programs

Floretta J. Rohrer


Medical Lab