About Company

Quest Diagnostics is a leading provider of diagnostic information services that empowers better health through diagnostic insights. The company operates a nationwide network of CLIA-certified laboratories and patient service centers and offers a broad range of services for patients (lab testing, appointment scheduling, MyQuest portal, billing and insurance support), healthcare professionals (comprehensive test directory and Quanum lab tools), employers (workforce screening and health-and-wellness solutions), and life-sciences customers (clinical trials, assay development, and commercialization support). The company also offers consumer-facing testing through QuestHealth and digital tools to access results and manage care, with a focus on improving patient outcomes, supporting clinical and commercial partners, and advancing diagnostic science.

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