Ecstasy (MDMA) Negative Cut off 500 Amphetamine/Methamphetamine 184 ng/ml Cut off 1000 Barbiturates 23ng/ml Cut off 200 Benzodiazepine Over Cut off 200 Cocaine Negative Cut off 300 Methadone Negative Cut off 300 Opiates Negative Cut off 300 Cannabis Over Cut off 500

Table 2: Urinary drug screen to detect common drug of abuse, performed using enzyme-multiplied immune test, revealed to be positive to THC and benzodiazepine (1 mg of lorazepam has been previously administered).