Drug Screening Our company provides a full range of panels for your individual requirements. CONTACT US Drug Screening Testing Menu SN Drug Class Cutoff Unit 1Amphetamine500.00ng/mL 2Barbiturates200.00ng/mL 3Benzodiazepine200.00ng/mL 4Buprenorphine20.00ng/mL 5Cannabinoids50.00ng/mL 6Cocaine Metabolite150.00ng/mL 7Ecstasy500.00ng/mL 8Heroin Metabolite10.00ng/mL 9Methadone Metabolite300.00ng/mL 10Oxycodone300.00ng/mL Validity Testing Menu SN Drug Class Reference Range Low Reference Range High Unit 1pH4.707.80ng/mL 2Specific Gravity1.001.04ng/mL 3Urine Creatinine20.00500.00ng/mL