Tag: marijuana positivity

Drugs & Alcohol

Top 10 U.S. metropolitan areas with the highest marijuana positivity

December 21, 2018

Quest data shows that the states with the highest marijuana positivity do not necessarily contain cities with the highest positivity. See the top 10 list.

News

First-ever analysis of industry-specific drug testing data

December 19, 2018

Workforce drug positivity rises by double-digits in almost one-third of U.S. industry sectors examined, according to new Quest Diagnostics analysis.

Illicit drugs

America’s favorite illicit drug: marijuana

July 7, 2017

As marijuana use increases in our society, drug testing continues to be an important tool for employers to maintain a safe, drug-free workplace.

News

Increases in illicit drugs, including cocaine, drive workforce drug positivity to highest rate in 12 years

May 16, 2017

The Quest Diagnostics Drug Testing Index shows increases in positivity for illicit drugs, such as marijuana and cocaine, across virtually all test types.