A report from Quest Diagnostics notes that "employees are turning to a dangerous drug like fentanyl after they've passed a ...

A new report from Quest Diagnostics, a diagnostic testing and health information services provider, revealed that the percentage of employees who test positive for fentanyl in random drug tests "far ...

The PGx service comprises 17 genes and four HLA alleles, targeting genes with known drug associations and medical relevance.

The positivity rate for urine tests indicating the presence of the deadly synthetic opioid was 0.55% in 2024, increasing ...

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 of 9.8 ...

Quest reports a sharp rise in fentanyl use in U.S. workplace drug tests, raising concerns about safety, addiction and ...

The powerful, deadly opioid is increasingly present in the U.S. workforce, as reflected in data from national testing lab ...

Amid Widespread Recruiting and Retention Challenges, Drug Positivity Increases in Post-Accident Tests at a Faster Rate Than Pre-Employment Tests for Cocaine, Marijuana, Opiates and Oxycodones SECAUCUS ...

SECAUCUS, N.J., Sept. 2, 2025 /PRNewswire/ -- The percentage of employees in the general U.S. workforce testing positive for fentanyl in random drug tests far exceeded those in pre-employment testing, ...

Quest Diagnostics (NYSE: DGX), a leading provider of diagnostic information services, today announced an advanced ...

The percentage of employees in the general U.S. workforce who had tested positive for fentanyl in random drug tests was far ...

SECAUCUS, N.J., May 26, 2021 /PRNewswire/ — The COVID-19 pandemic did not dampen workforce drug testing positivity for marijuana, which continued to increase last year in the general U.S. workforce, ...