Thousands of California prisoners falsely tested positive for opioids last year because of a laboratory mistake. Now hundreds ...

Tesla CEO Elon Musk has hit back at a report in The New York Times alleging he was using drugs "intensely" during the election campaign which returned President Donald Trump to the White House.

At this point, Baker said, it is unclear how many inmates who received incorrect drug test results have faced parole hearings. The tests were done by Quest Diagnostics, a firm contracted to ...

Drug Abuse Testing Market Dublin, April 18, 2025 (GLOBE NEWSWIRE) -- The "Drug Abuse Testing Market Size and Share Analysis - Growth Trends and Forecast Report 2025-2033" report has been added to ...

Sarepta Therapeutics and Quest developed and were granted Breakthrough Device Designation from the US Food and Drug Administration for a test to help identify patients eligible for treatment for ...

According to a Quest spokesperson, the layoffs are part of a move to consolidate the company's workforce drug testing at its Lenexa, Kansas, facility. Quest will continue to operate other existing ...

The rate of substituted or invalid drug tests — an indication of tampering to hide drug use — rose more than six-fold in 2023 versus the prior year, according to a Quest Diagnostics analysis ...

Workers are cheating on drug tests at the highest rate in more than ... job candidates in traditional office settings, according to Quest Diagnostics.

"Workforce drug testing exists because it's intended as a deterrence mechanism," Dr. Suhash Harwani, senior director of science for workforce health solutions at Quest, told CBS MoneyWatch.

Cheating on drug tests among American workers has surged to its highest level in over 30 years, according to a lab report from Quest Diagnostics Inc DGX. The lab reported that approximately ...

In adding the PFAS test panel to its testing portfolio ... Dr. Jack Kain, director and medical science liaison of drug monitoring and toxicology at Quest, said, “Scientists and the general ...