An alcohol urine test involves a lab testing a person’s urine sample for the presence of alcohol. Three types of this test exist. One measures unmetabolized alcohol, while the others measure two of ...

Quest Diagnostics has announced that it will now offer consumer-initiated laboratory testing powered by QuestDirect in collaboration with Walmart. The new solution allows people to take control of ...

Positive drug test rates for the U.S. workforce hit a 20-year high in 2021, according to a Quest Diagnostics study. The lab said March 30 that the 4.6 percent positivity rate is up 31.4 percent from ...