Laboratory Corp. of America Holdings operates as a life sciences company, which engages in the provision of vital information to help health professionals make clear and confident decisions. It operates through the Drug Development and Diagnostics segments. The Drug Development segment consists of lead optimization, preclinical safety assessment, analytical services, clinical trials, central laboratories, biomarkers, and companion diagnostics, market access, and technology solutions. The Diagnostics segment includes primary care, women's health, specialty medicine, oncology, ACOs, and hospitals and health systems. The company was founded in 1971 and is headquartered in Burlington, NC.