Related links
What tests are required and when does testing occur? | FMCSA
Jan 6, 2023 DOT drug and alcohol tests include: Pre-employment An employer must receive a negative drug test result before permitting a CDL driver to
Learn more
Clinical Policy: Drugs of Abuse: Presumptive Testing
Same-day screening of drug metabolites in specimens sourced from any combination of blood, saliva and urine by either preliminary or confirmatory/definitive
Learn more
14 CFR 120.109 - Types of drug testing required.
The decision to test must be based on a reasonable and articulable belief that the employee is using a prohibited drug on the basis of specific contemporaneous
Learn more