Catherine Gebhart

Cathy L. Gebhart, Ph.D. is Associate Director of the HLA Laboratory in the Department of Laboratory Medicine and Pathology (DLMP) at Mayo Clinic in Phoenix, Arizona. She provides leadership in histocompatibility and transplant immunology testing, supporting solid organ and hematopoietic cell transplantation programs through advanced HLA typing, antibody assessment, and immunologic risk evaluation. [office.com] Dr. Gebhart’s professional interests focus on transplant immunology, donor-specific antibody testing, virtual crossmatching, and the application of laboratory diagnostics to improve transplant outcomes. She collaborates closely with multidisciplinary transplant teams and laboratory colleagues to advance patient care, optimize laboratory practices, and support clinical and translational research initiatives. Her work emphasizes the integration of innovative diagnostic approaches with evidence-based clinical decision-making in transplantation. As a laboratory leader, Dr. Gebhart is