Tag: ATN

New to Drug Testing

New to drug testing: Customer service

August 29, 2013

Our Customer Support Center is open twelve hours a day and is staffed by more than 30 representatives.

News

Quest Diagnostics acquires Concentra’s laboratory business

May 16, 2013

Quest Diagnostics, announced today that it has acquired the toxicology and clinical laboratory business of medical center operator Concentra.