The panel number refers to how many different drug classes are screened in a single test. A 5-panel drug test (the most commonly required by federal employers and DOT regulations) screens for: Marijuana (THC), Cocaine, Opiates (codeine, morphine, ...

Yes, Odosek Lab Solutions offers hair follicle drug testing as an alternative or supplement to urine testing. Hair follicle tests are particularly useful when a longer detection window is needed. While urine tests typically detect drug use within ...