Serving one in three adult Americans annually and supporting half of the physicians and hospitals in the U.S., the organization employs nearly 50,000 professionals including laboratory scientists, logistics professionals, phlebotomists, patient services representatives, technologists, and business talent who deliver the diagnostic insights that drive clinical decisions, guide treatments, and save lives. The PSR I has direct contact with patients and creates an atmosphere of trust and confidence while explaining procedures to patients and drawing blood specimens in a skillful, safe and accurate manner.