Welcome to Quest Diagnostics

The world’s leader in diagnostic
testing, information, and services

services

En Español

Make appointment Change / cancel appt Find a location Get my results
in the spotlight Kick off a Healthy 2012 with the VisualMD's 9 Visual Rules of Wellness, sponsored by Quest Diagnostics
Berkeley HeartLab a Quest Diagnostics Service

Breakthrough genetics. Advanced cardiovascular diagnostics.
Berkeley HeartLab, now part of Quest Diagnostics, provides a comprehensive approach to heart health. Learn more >

image: women doctor reading
Save 85% on Care360® EHR
Your practice can enjoy all the benefits of the ONC-ATCB -certified, fully functional and easy-to-integrate Care360 EHR solution while paying only 15% of the retail price during the grant period.
Learn more >
Individualized Management of Kidney Transplant Patients

Upcoming Webinar: March 1, 2012, 12:00 pm EST/9:00 am PST
Presented by: Terry B. Strom, MD
Audience: clinical healthcare providers and laboratory professionals

Click here to register for this Webinar, which will focus on laboratory testing for kidney transplant donors and recipients as well as current and emerging biomarkers of organ rejection.

CPT 2012 Changes and ICD-10 Information

The American Medical Association (AMA) has made Current Procedural Terminology (CPT) code changes to the 2012 edition of the CPT coding manual. Along with other annual updates, there are a significant number of newly assigned codes for molecular diagnostics.

The healthcare industry is transitioning from ICD-9 diagnosis codes to the ICD-10 system, and we’re working to provide a seamless transition.

Education Center
Education Center
On-demand access to the latest information in clinical and laboratory medicine
  • On-demand video and audio presentations
  • Insights from leading experts
  • Guidelines and best practices
Visit us and learn something new today >
Colon Cancer Testing
Colon Cancer Testing
A new blood test called ColoVantage can help evaluate for the presence of colon cancer in patients who avoid or are unable to undergo colonoscopy, FOBT or FIT testing. Learn more >
Gazelle by Quest Diagnostics

Introducing Gazelle®, our new mobile health app
So much more than a mobile health app, Gazelle puts control of your health information right in your hands. The power to see, store and share your health information starts here.

Watch video.

Quest Diagnostics Appointment Scheduler

Quest Diagnostics Appointment Scheduling App
Enter your city and state or zip code, or we'll detect your location for you with your phone's GPS. See available appointments across the nearest locations and select the one that's best for you. Download this now to your BlackBerry® or Apple® iPhone®, or Android™ phone.

Care360

Find out how adopting Care360 today can prepare your practice for tomorrow. Our modular system enables you to take a step-wise approach to technology adoption. Learn more >

news

Quest Diagnostics Reports Fourth Quarter 2011 Financial Results; Provides Guidance for 2012

- Revenues of $1.9 billion, up 3%
- Adjusted diluted EPS of $1.23, up 19%; reported diluted EPS of $1.19, up 23%
- Cash flow from operations of $338 million compared to $340 million in 2010
- 2012 guidance before special items: Diluted EPS between $4.40 and $4.55; revenues to grow between 2% and 2.5%
- Board approves $1 billion share repurchase authorization
- Listen to a replay of Quest Diagnostics' Fourth Quarter 2011 Conference Call.
- Read a transcript of company prepared comments

Quest Diagnostics Increases Share Repurchase Authority by $1 Billion

- Increase brings current authorization to $1.1 billion

Quest Diagnostics STRATIFY JCV™ First FDA Market Authorized Antibody-based Blood Test to Help Stratify PML Risk in Multiple Sclerosis Patients

- Based on exclusive collaboration with Biogen Idec, the test is only available in the U.S. through Quest Diagnostics' Focus Diagnostics lab

One in Six Pregnant Women Tested Are Positive for Hypothyroidism

- Study of 502,036 pregnant women in the United States finds 15.5% of those tested were positive for gestational hypothyroidism, much higher than prior estimates

Quest Diagnostics Launches Simplexa™ Dengue Test in Brazil, First Commercial Molecular Test Approved for Nation’s Public and Private Health Testing

- Country’s public health labs now evaluating the test’s potential for aiding clinical management of the country’s nearly one million Dengue fever cases

Quest Diagnostics CE Marks Simplexa™ Test for Cytomegalovirus for Sale in Europe

- With the new Focus Diagnostics’ Simplexa molecular test on the 3M™ Integrated Cycler, the company now offers one of the most comprehensive molecular transplant-testing menus in Europe

Quest Diagnostics Announces Launch of Simplexa™ Direct Test for Influenza and Respiratory Viruses in Europe

- Focus Diagnostics product eliminates nucleic-acid sample extraction with proprietary technology, for faster testing