Labcorp Holdings, Inc. engages in providing medical testing services. The company is headquartered in Burlington, North Carolina and currently employs 70,000 full-time employees. The firm provides insights and accelerates to improve health and improve lives through its unparalleled diagnostics and drug development capabilities. The firm operates through two segments: Diagnostics Laboratories (Dx) and Biopharma Laboratory Services (BLS). The Diagnostics Laboratories segment includes routine testing and specialty/esoteric testing. Dx operates through a network of patient service centers, branches, rapid response laboratories, primary laboratories, and specialty laboratories. The Biopharma Laboratory Services segment consists of early development research laboratories and central laboratory services. The firm is focused on four primary specialty testing areas, such as oncology, women's health, autoimmune disease, and neurology.