We have specialized expertise in cancer, cardiovascular diseases, infectious diseases, and neurology.īioReference Laboratories is the largest full service specialty laboratory in the United States that gives healthcare providers and patients the information to make confident healthcare decisions. 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.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 are the world’s leading provider of diagnostic testing, information and services that patients and doctors need to make better healthcare decisions. We offer a wide range of products and services that benefit patients, healthcare providers, and pharmaceutical medical device companies, life insurance companies and employers.

Quest Diagnostics is driven to discover and deliver diagnostic insights and innovations that help to improve human health.Quest Diagnostics offer broad access to clinical testing services through our national network of laboratories in most major metropolitan areas as well as approximately 2,000 patient locations.

Quest annually serves one in three adult Americans and half the physicians and hospitals in the United States, and our 46,000 employees understand that, in the right hands and with the right context, our diagnostic insights can inspire actions that transform lives. Derived from the world's largest database of clinical lab results, our diagnostic insights reveal new avenues to identify and treat disease, inspire healthy behaviors and improve health care management. Quest Diagnostics empowers people to take action to improve health outcomes.

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