alert icon Coronavirus

Now scheduling COVID-19 vaccine appointments for ages 12+
Schedule a vaccine appointment
COVID-19 vaccine FAQs

Going to a Cleveland Clinic location?
2 visitors (ages 18+) now allowed daily
Masks are required for patients and visitors (even if you're vaccinated)

Departments & Centers

Pathology Departments & Centers

Pathology & Laboratory Medicine Institute Departments & Centers

Department of Pathology

Examining and interpreting pathology specimens.

Learn More

Department of Laboratory Medicine

Analyzing and interpreting patient specimens

Learn More
Brian Rubin, MD, Phd | Chair, Pathology & Laboratory Medicine Institute | Cleveland Clinic

Why Choose the Robert J. Tomsich Pathology & Laboratory Medicine Institute?

The Robert J. Tomsich Pathology & Laboratory Medicine Institute (RT-PLMI) touches virtually every patient at Cleveland Clinic and thousands of patients across the world. From simple blood tests to sophisticated DNA analysis and expert biopsy interpretation, RT-PLMI serves a vital role in diagnosing, treating, and monitoring disease. With approximately 1,400 dedicated caregivers processing more than 20 million tests annually, the RT-PLMI laboratories are often cited as the largest volume hospital laboratory in the United States. RT-PLMI also provides pathology and laboratory services to external clients through our reference laboratory, Cleveland Clinic Laboratories.

Back to Top