Drugs of Abuse Screen, Urine Qualitative Average Turnaround Time: 74 minutes Compound/Class Cutoff (ng/mL) Compound/Class Cutoff (ng/mL) Amphetamines 1000 Opiates 300 Barbiturates 200 Oxycodone 100 Benzodiazepines 200 PCP 25 Cocaine 300 Propoxyphene 300 Methadone 300 THC 50 Additional Drug Immunoassay Available Buprenorphine 5 Alcohol (urine) 10 mg/dL Cotinine (nicotine metabolite) 500 Alcohol (serum) 10 mg/dL Toxicology Drug Screen, Urine or Serum Qualitative Turnaround Time: 24 hrs Cutoff Cutoff Cutoff Amphetamines Antihistamines Opioids ng/mL ng/mL ng/mL Amphetamine 250 Chlorpheniramine 100 6-monoacetylmorphine 300 Methamphetamine 500 Dextromethorphan 100 Codeine 200 MDA 250 Diphenhydramine 100 Dihydrocodeine 100 MDMA 250 Ephedrine/ Pseudoephedrine 100 Hydromorphone 200 Antiarrhythmics Ranitidine 500 Hydrocodone 100 Diltiazem 50 Pheniramine 25 Morphine 200 Lidocaine 25 Antipsychotics Oxycodone 100 Verapamil 100 Haloperidol 25 Oxymorphone 200 Quinidine/Quinine 500 Olanzapine 200 Noroxycodone 100 Anticonvulsants Quetiapine 25 Buprenorphine/Norbupren 50/300 Pregabalin 1500 Risperidone 100 Fentanyl/Norfentanyl 25/100 Gabapentin 1500 Benzodiazepines Ketamine 25 Antidepressants(non TCA) Alprazolam/ Hydroxyalprazolam 50/200 Meperidine 50 Bupropion 25 Clonazepam/7-amino 200/50 Methadone/EDDP 50/100 Citalopram 100 Chlordiazepoxide 50 Nalbuphine 50 Fluoxetine 200 Diazepam 100 Naloxone 200 Sertraline 50 Nordiazepam 100 Propoxyphene/Norpropox 100/50 Trazodone 25 Oxazepam 200 Tramadol 50 Venlafaxine 50 Temazepam 100 Phenothiazines Antidepressants (TCA) Flurazepam/desalkylfluraz 50 Chlorpromazine 50 Amitriptyline 50 Flunitrazepam/7-amino 100/25 Promethazine 50 Desipramine 50 Lorazepam 100 Thioridazine 100 Desmethyldoxepin 100 Triazolam /Hydroxytriazolam 100/400 Trifluorperazine 100 Doxepin 100 Stimulants Various Imipramine 50 Caffeine 15000 Cocaine 25 Maprotiline 200 Cotinine (nicotine) 500 Benzoylecgonine 50 Nortriptyline/Protriptyline 50 Methylphenidate 50 LSD 25 Beta-blockers PCP 25 Zolpidem 100 Atenolol 500 7-Hydroxymitragynine 100 Metoprolol 50 Propranolol 50 Updated March 16 2017 Toxicology Drug Screen, Umbilical Cord Turnaround Time: 48 hrs Cutoff Cutoff Cutoff Amphetamines Antihistamines Opioids ng/mL ng/mL ng/mL Amphetamine 125 Chlorpheniramine 50 6-monoacetylmorphine 150 Methamphetamine 250 Dextromethorphan 50 Codeine 100 MDA 125 Diphenhydramine 50 Dihydrocodeine 50 MDMA 125 Ephedrine/ Pseudoephedrine 50 Hydromorphone 100 Antiarrhythmics Ranitidine 250 Hydrocodone 50 Diltiazem 25 Pheniramine 13 Morphine 100 Lidocaine 13 Antipsychotics Oxycodone 50 Verapamil 50 Haloperidol 13 Oxymorphone 100 Quinidine/Quinine 250 Olanzapine 100 Noroxycodone 50 Anticonvulsants Quetiapine 13 Buprenorphine/Norbupren 5/150 Pregabalin 750 Risperidone 50 Fentanyl/Norfentanyl 13/50 Gabapentin 750 Benzodiazepines Ketamine 13 Antidepressants(non TCA) Alprazolam/ Hydroxyalprazolam 25/100 Meperidine 25 Bupropion 13 Clonazepam/7-amino 100/25 Methadone/EDDP 25/50 Citalopram 50 Chlordiazepoxide 25 Nalbuphine 25 Fluoxetine 100 Diazepam 50 Naloxone 100 Sertraline 25 Nordiazepam 50 Propoxyphene/Norpropox 50/25 Trazodone 13 Oxazepam 100 Tramadol 25 Venlafaxine 25 Temazepam 50 Phenothiazines Antidepressants (TCA) Flurazepam/desalkylfluraz 25 Chlorpromazine 25 Amitriptyline 25 Flunitrazepam/7-amino 50/13 Promethazine 25 Desipramine 25 Lorazepam 50 Thioridazine 50 Desmethyldoxepin 50 Triazolam /Hydroxytriazolam 50/200 Trifluorperazine 50 Doxepin 50 Stimulants Various Imipramine 25 Caffeine 750 Cocaine 13 Maprotiline 100 Cotinine (nicotine) 250 Benzoylecgonine 25 Nortriptyline/Protriptyline 25 Methylphenidate 25 LSD 13 Beta-blockers PCP 13 Zolpidem 50 Atenolol 250 7-Hydroxymitragynine 50 Metoprolol 25 Propranolol 25 THC- Immunoassay 10 Barbiturates- Immunoassay 200 Updated March 16 2017 .