DGX vs CNC Comparison

Quest Diagnostics is a leading independent provider of diagnostic testing, information, and services in the US. The company generates over 95% of its revenue through clinical testing, anatomic pathology, esoteric testing, and substance abuse testing with specimens collected at its national network of roughly 2,300 patient service centers, as well as multiple doctors offices and hospitals. The firm also runs a much smaller diagnostic solutions segment that provides clinical trials testing, risk-assessment services, and information technology solutions.

Centene is a managed care organization that focuses on government-sponsored healthcare plans, including Medicaid, Medicare, and the individual exchanges. Centene served 22 million medical members as of December 2024, mostly in Medicaid (about 60% of membership), the individual exchanges (about 20%), and Medicare (about 5%). The company also has a military contract and provides Medicare Part D pharmaceutical plans.