Tag: NDASA

Drug Testing

Drug positivity rates continue at historically high levels

May 26, 2021 By

Marijuana positivity continues double-digit increases to keep overall drug positivity at historically high levels, according to the latest Quest Diagnostics Drug Testing Index.

News

Quest to sponsor 2019 NDASA conference

August 21, 2018 By

Quest Diagnostics Employer Solutions will be the Chairman Circle sponsor for the National Drug and Alcohol Screening Association conference in March 2019.