Quest Diagnostics is driven to discover and deliver diagnostic insights and innovations that help to improve human health. We offer a wide range of products and services that benefit patients, healthcare providers, and pharmaceutical medical device companies, life insurance companies and employers.
We are the world’s leading provider of diagnostic testing, information and services that patients and doctors need to make better healthcare decisions. Our services range from routine blood tests — such as total cholesterol, Pap testing and white blood cell count — to complex, gene-based and molecular testing. We perform medical tests that aid in the diagnosis or detection of diseases, measure the progress or recovery from a disease or confirm that an individual is free from disease. We have specialized expertise in cancer, cardiovascular diseases, infectious diseases, and neurology. Read more about our testing services.
Get to Know Us
We are the world’s leading provider of diagnostic testing services, with a staff of approximately 900 MDs and PhDs, an extensive network of convenient patient locations and a broad range of diagnostic products.
Patients and doctors rely on our diagnostic testing, information and services to help them make better healthcare decisions. We are the world leader in the industry, and our diagnostic testing impacts 70% of all healthcare decisions. Through our science and innovation team and external partners, we’ve developed and introduced breakthrough laboratory tests, many of which have become the standard of care over time.
Our position at the forefront of the healthcare industry makes life at Quest Diagnostics exciting. As a member of our team, you can expand your skills and knowledge. Your colleagues are committed to improving healthcare and finding creative ways to do so. The atmosphere is stimulating and challenging. And the opportunities are almost limitless.
We can help you take your career further, whether you want to move up the ladder or across the world. We have operations and a variety of employment opportunities in nearly every state of the U.S., as well as India, UK, Ireland, Mexico and more.
Our physician and hospital clients look to you to provide the best service and information.
Discover and deliver strategic healthcare technology solutions to foster better, more connected patient care and improve clients’ business performance.