Quest Diagnostics
Quest Diagnostics Incorporated is a US company that provides clinical laboratory services.
Quest works with healthcare professionals to provide a multitude of lab tests, as well as with employers to provide drug screening and OSHA testing.
From the website, patients can make appointments for clinical tests ordered by physicians, get results, and find out more about lab tests.
Quest offers a mobile health tracking app called Gazelle, available on iPhone and BlackBerry.