Quest Diagnostics Incorporated (Quest Diagnostics) is a provider of diagnostic testing, information and services, providing insights that enable patients and physicians to make healthcare decisions. The Company�s operations are organized in two business groups, such as diagnostics information services and diagnostic solutions. Its diagnostics information services business is the provider of clinical testing services, gene-based, esoteric and anatomic pathology testing services and forensic drugs-of-abuse testing services. Its diagnostic solutions include Healthcare information technology, clinical trials testing, life insurer services and diagnostic products. The Company�s diagnostics products business manufactures and markets diagnostic test kits and specialized point-of-care testing. It offers a range of solutions, including urine, hair, blood and oral fluid tests.