Testing Cut offs Level

Clinical Panels (ng/ml)Forensic/Workplace Panels (ng/ml)
AnalyteScreenConfirmationAnalyteScreenConfirmation
Marijuana metabolites505*Marijuana metabolites5015
Cocaine metabolites300*Cocaine metabolites300150
Amphetamines1000*Amphetamines1000
  • Amphetamine
80Amphetamine500
  • Methamphetamine
80Methamphetamine500
Opiates300*Opiates2000
  • Codeine
120Codeine2000
  • Morphine
120Morphine2000
Phencyclidine (PCP)203*PCP2525
Barbiturates30080Barbiturates300200
Benzodiazepines30080Benzodiazepines300200
Methadone30050Methadone300200
Methaqualone300Methaqualone300200
Propoxyphene30080Propoxyphene300200
Ethanol0.02 mg/dlEthanol0.02 mg/dl

*DOT Federal cut-off levels