The typical range of drugs screened using this generic method are cocaine, D3-cocaine, benzoylegonine-TMS, D3-Benzoylegonine-TMS, amphetamine, D5-amphetamine, methamphetamine, codeine, morphine, amitriptyline HCL, nortriptyline HCL, imipramine HCL and desipramine HCL. These drugs represent a panel of the most significantly abused drugs as recommended by The National Institute on Drug Abuse (NIDA).