A 7-year study of workplace drug testing in two major cities in Türkiye.

Background: Workplace Drug Testing (WDT) is a worldwide practice that is crucial in anti-drug efforts. This study aimed to provide compherensive information about the WDT applications in Türkiye with data obtained from two major cities in two different regions of Türkiye.

Methods: The retrospective assessment of forensic toxicological analysis results in urine, hair or urine&hair samples collected from 220 WDT cases in İzmir (3 largest city) and Adana (5 largest city) from 2016 to 2022 years was carried.