Schedule your appointment
COVID-19 vaccine FAQs
Going to a Cleveland Clinic location?
New visitation guidelines
Masks required for patients and visitors (even if you're vaccinated)
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.
Providing health systems and hospitals with their specialized laboratory testing needs.