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Your Trusted Diagnostic Testing Partner
Quest Diagnostics is a leading provider of diagnostic laboratory services dedicated to empowering better health through advanced diagnostics and comprehensive healthcare solutions. With over 2,250 patient service centers nationwide and a network of 3,800 courier vehicles and 24 planes, we deliver 200+ million tests annually, supporting patients, healthcare professionals, and organizations with precision and reliability. Our team of 650+ medical and scientific experts drives innovation in diagnostic testing, including genetic analysis, esoteric testing, and clinical trials support. We prioritize quality through CLIA-certified laboratories and Six Sigma-driven processes, ensuring accurate results and improved patient outcomes. Partnering with health systems, employers, and life sciences companies, we optimize lab operations, reduce costs, and enhance accessibility to critical diagnostic services.Our digital platforms like MyQuest and Quanum Lab Services Manager streamline test ordering, result access, and lab management for healthcare providers. Through collaborations with academic institutions and community health centers, we advance medical research and address healthcare disparities. Our commitment to innovation is evident in solutions like QUEST AD-Detect for early Alzheimer's biomarker testing and ELF Score for liver disease risk assessment. With 24/7 logistics support and industry-leading turnaround times, we ensure timely diagnostics for urgent care needs. As a trusted partner in healthcare, Quest Diagnostics combines technological expertise with operational efficiency to shape the future of diagnostic medicine.
Services
Diagnostic Lab Testing
Clinical Trials Support
Genetic Screening
Infectious Disease Testing
Lab Management Solutions
Employee Health Screenings
Esoteric Testing
Point-of-Care Diagnostics
Pharmacogenomics Testing
Population Health Analytics
Highlights and features
- Access 3,500+ diagnostic tests with nationwide lab network support
- 24/7 logistics and rapid turnaround times for critical results
- 650+ medical and scientific experts supporting advanced diagnostics
- CLIA-certified quality assurance across all testing facilities
- Integrated digital platforms for seamless test management and results access
Associations and certifications
- CLIA-certified laboratories
Services
Diagnostic Lab Testing
Quest Diagnostics offers comprehensive diagnostic testing through 2,250+ patient service centers nationwide. Our CLIA-certified labs perform 200+ million tests annually, covering routine screenings, chronic disease monitoring, and specialized diagnostics. Advanced technologies ensure accurate results for improved clinical decision-making.
Clinical Trials Support
Supporting pharmaceutical and biotech companies, we provide specialized lab services for clinical trials across 6 Centers of Excellence. Our capabilities include biomarker analysis, assay development, and global specimen management to accelerate drug development programs with precise diagnostic insights.
Genetic Screening
Our genetic testing portfolio includes hereditary disease risk assessment, pharmacogenomics, and precision medicine applications. With 1,500+ esoteric tests and expert interpretation, we help clinicians identify genetic factors influencing treatment decisions and patient outcomes.
Lab Management Solutions
Quest partners with hospitals to enhance lab efficiency through analytics, stewardship programs, and network consolidation. Our solutions reduce operational costs by 15-30% while improving test utilization and turnaround times through data-driven process improvements.
Infectious Disease Testing
We provide comprehensive infectious disease diagnostics including PCR, antigen, and antibody testing for conditions like COVID-19, HIV, and hepatitis. Our network processed millions of SARS-CoV-2 tests during the pandemic, supporting public health surveillance and workplace safety programs.
Questions
How do I schedule a lab test appointment?
Book appointments through MyQuest online portal or mobile app for convenient scheduling at 2,250+ patient service centers nationwide.
Does Quest accept my health insurance?
Use our online insurance lookup tool to verify network status with major health plans including Anthem BCBS and Sentara Health Plans.
How can I access my test results?
View results securely through MyQuest portal within 24-48 hours for most tests, with options to share reports with healthcare providers.
What lab tests are available without a doctor's order?
QuestHealth.com offers 100+ direct-to-consumer tests for wellness monitoring, hormone levels, and chronic condition screening.
How does Quest support healthcare providers?
We offer Quanum Lab Services Manager for test ordering, result tracking, and lab analytics, plus 24/7 clinical expert consultations for complex cases.
What quality certifications does Quest hold?
Our labs maintain CLIA certification and follow Six Sigma quality standards with continuous monitoring of 50+ quality metrics.
