Quest Diagnostics Inc (Quest Diagnostics) is a provider of diagnostic testing information services. It offers a comprehensive portfolio of routine and specialty laboratory tests and services to patients and physicians. The company operates through two reportable segments: Diagnostic Information Services (DIS) Business and Diagnostic Solutions (DS) Businesses. The company offers a large private database of de-identifiable laboratory test results which offer more than 70 billion patient data points. It processed approximately 206 million test requisitions in 2023.

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

Quest Diagnostics R&D activities focus on developing and introducing new tests and services that are tailored to individual patients. These are involved in every stage of the process, from discovery and technology development to clinical validation of diagnostic tests. The company aims to bring new innovations to the market, and collaborate with other developers of new technologies, services, and tests, drawing on in-house expertise in areas such as assay development and commercialization of testing services. The research and development team at Quest Diagnostics boasts experts across diverse fields, including genomics, genetics, and bioinformatics. They include a wide range of organizations, from large commercial manufacturers to emerging medical technology companies, academic institutions, and pharmaceutical and biotechnology firms. It owns or controls approximately 1,200 issued and 400 pending patents worldwide.