Quest Diagnostics Inc - Company Profile
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Business Description
Quest Diagnostics (Quest Diagnostics) is a provider of diagnostic information services. The company offers a wide range of diagnostic testing services, including routine and non-routine tests, advanced clinical testing, pathology testing, and genetic tests, to various customers, including physicians, hospitals, patients, consumers, health plans, employers, government agencies, and life sciences companies. Quest Diagnostics operates a national network of laboratories and patient service centers. The company also collaborates with international diagnostic laboratories, hospitals, and clinics globally. It also operates specialty labs and offers services through brands such as AmeriPath, Dermpath Diagnostics, ExamOne, and Quanum. The company offers advanced diagnostics in areas such as molecular genomics, oncology, neurology, and companion diagnostics. Quest Diagnostics provides healthcare IT solutions, risk assessment services, and population health solutions. The company supports clinical trials, commercialization, and post-launch surveillance for life sciences companies. Additionally, Quest Diagnostics offers services like drug testing, occupational health, and health screenings for employers. The company operates offices, data centers, call centers, distribution centers, and patient service centers in the US and maintains offices, patient service centers, and clinical laboratories in Canada, Finland, Puerto Rico, and Mexico, among others.
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R&D Overview
Quest Diagnostics focuses its research and development (R&D) initiatives on the development and introduction of new diagnostic tests through R&D operations. The company's capabilities include discovery, technology development, and clinical validation of diagnostic tests. Quest Diagnostics partners with other developers of new technologies, services, and tests to transfer innovations to the marketplace. The company's innovation strategy emphasizes new services and solutions for unmet clinical needs to improve patient care and outcomes, and offer economic value for patients, health plans, and other payers. It also aims to improve test processes through increased automation and develop holistic solutions responsive to healthcare challenges. The company seeks innovations that are more convenient, less invasive, and cost-effective than current options. Quest Diagnostics Inc also aims to improve test processes through increased automation and AI, offering solutions from its large dataset and data analytics capabilities to optimize laboratory utilization and inform patient-care decisions. The R&D unit is responsible for discovery, technology development, and clinical validation of diagnostic tests. The unit also manages partnerships with other developers to bring new technologies and services to the market. The R&D team includes experts in genomics, genetics, bioinformatics, and various disease states, and maintains relationships with advisers and consultants in key fields of science and medicine. As of December 2025, the company owned or controlled approximately 1,200 issued and nearly 400 pending patents globally.
Business Segments
Overview
Develops and delivers diagnostic information services, including insights from the results of laboratory testing, to customers, physicians, and organizations. It also offers broad access to clinical testing through a network of laboratories, including advanced laboratories and rapid response laboratories. Services include routine, non-routine, and advanced clinical testing and anatomic pathology testing, and other diagnostic information services. Offers routine tests, such as blood chemistries, urinalysis, allergy tests, and complete blood cell counts. Non-routine tests offer professional attention and require more sophisticated data analysis, technology, equipment, or materials. It also provides anatomic pathology services to diagnose cancer, other diseases, and medical conditions through examination of tissue and cell samples. It provides anatomic pathology services and medical director services at hospital laboratories. Some non-routine tests include certain procedures in the areas of molecular diagnostics, oncology, neurology, companion diagnostics, and non-invasive prenatal and other germline genetic testing. It has a comprehensive test offering in cardiometabolic and endocrine; cancer; clinical drug monitoring, and toxicology; infectious disease, including autoimmune; neurology diagnostics, including Alzheimer’s disease; and women’s health, including prenatal genetics. Also offers a wide range of employer population health services, including biometric screenings, flu shots, and related preventative services. Provides health IT solutions, including products and a national healthcare provider network. Offers population health solutions to clinicians, health plans, and hospitals. Its extended care services include home collection kits for lab testing. It develops laboratory tests for the US Food and Drug Administration submissions as companion diagnostics and laboratory-developed tests for complementary diagnostics, and offers an array of assets and services to support the development of companion diagnostics. Offers Quest Clinical Trials Connect to help accelerate clinical trials through better patient recruitment, involvement, and management. Customers include employers, healthcare organizations, clinicians, pharmaceutical companies, including clinical trials, laboratory testing, population analytics, and patient engagement services.
Performance
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Overview
Offers data gathering, paramedical examinations, clinical laboratory testing, and analytics through its risk assessment service known as ExamOne. Also offers other national specimen collection and health data solutions to provide insights for clinical research and diagnostics programs, and academic studies. Customers include life insurance companies. Offers Quanum Enterprise Content Solutions for hospitals to connect data for decision-making, for clinicians to advance clinical and operational strategies.
Performance
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