| 
   
  | Substance | Test Concentration (ng/mL) | Substance | Test Concentration (ng/mL) |  
  | 6-Monoacetylmorphine | 1,280 | Desmethylcitalopram | 250 |  
  | 11-Nor-9-carboxy THC | 512 | Desmethylclomipramine | 500 |  
  | 6-Acetyl morphine | 5 | Desmethylsertraline | 250 |  
  | 7-Amino clonazepam | 125 | Dextromethorphan | 500 |  
  | 7-Amino flunitrazepam | 125 | Diazepam | 500 |  
  | Acetaminophen | 25,000 | Dihydrocodeine | 100,000 |  
  | α-OH-alprazolam | 2,560 | Diltiazem | 500 |  
  | Alprazolam | 250 | Diphenhydramine | 500 |  
  | Amantadine | 250 | Doxepin | 500 |  
  | Amitiptyline | 500 | Doxylamine | 500 |  
  | Amoxapine | 600 | Duloxetine | 500 |  
  | Amphetamine | 12,800 | Ecgonine methyl esther | 500 |  
  | Antipyrine | 1000 | EDDP | 12,800 |  
  | Atomoxetine | 500 | Ephedrine | 100,000 |  
  | Benzocaine | 500 | Fentanyl | 256 |  
  | Benzoylecgonine | 3,200 | Flunitrazepam | 125 |  
  | Brompheniramine | 50 | Fluoxetine | 500 |  
  | Bupivacaine | 500 | Flurazepam | 125 |  
  | Buprenorphine | 1,280 | Hydrocodone | 6,400 |  
  | Bupropion | 500 | Hydromorphone | 6,400 |  
  | Bupropion metabolite | 1,000 | Ibuprofen | 25,000 |  
  | Butalbital | 5,000 | Imipramine | 500 |  
  | Carbamazepine | 5,000 | Ketamine | 500 |  
  | Carisoprodol | 6,400 | Lamotrigene | 5,000 |  
  | Chlordiazepoxide | 125 | Lidocaine | 1,000 |  
  | Chlorpheniramine | 500 | Lorazepam | 5,120 |  
  | Chlorpomazine | 500 | Loxapine | 250 |  
  | Citalopram | 250 | Maprotiline | 1,250 |  
  | Clomipramine | 125 | MCPP | 250 |  
  | Clonazepam | 500 | MDA | 100 |  
  | Clonidine | 250 | MDEA | 100,000 |  
  | Clozapine | 500 | MDMA | 12,800 |  
  | Cocaethylene | 100 | Meclizine | 600 |  
  | Cocaine | 100 | Meperidine | 500 |  
  | Codeine | 6,400 | Meprobamate | 6,400 |  
  | Cyclobenzaprine | 100 | Mesoridazine | 500 |  
  | Desalkyflurazepam | 500 | Methadone | 6,400 |  
  | Desipramine | 500 | Methamphetamine | 12,800 |  
  | Desmethyldoxepin | 500 | Methylphenidate | 50 |  
  | Metoclopramide | 500 | Pentazocine | 500 |  
  | Midazolam | 125 | Phencyclidine | 640 |  
  | Midazolam | 100 | Phenobarbital | 5,000 |  
  | Mirtazepine | 250 | Phenylpropanolamine | 100,000 |  
  | Morphine | 6,400 | Phentermine | 100,000 |  
  |  |  | Phenytoin | 5000 |  
  | Naproxen | 100,000 | Promethazine | 500 |  
  | Morphine-3-glucuronide | 250 | Propoxyphene | 12,800 |  
  | Norbuprenorphine | 1,280 | Psuedoephedrine | 100,000 |  
  | Norcodeine | 100,000 | Quetiapine | 250 |  
  | Nordiazepam | 5,120 | Sertraline | 500 |  
  | Norfentanyl | 1,024 | Strychnine | 500 |  
  | Norfluoxetine | 500 | Temazepam | 6,400 |  
  | Normeperidine | 500 | Thioridazine | 500 |  
  | Normorphine | 100,000 | Topiramate | 5,000 |  
  | Norpropoxyphene | 12,800 | Tramadol | 3,200 |  
  | Nortriptyline | 500 | Trazodone | 1,000 |  
  | Norverapamil | 500 | Triazolam | 125 |  
  | O- desmethylvenlafaxine | 500 | Trimethobenzamide | 500 |  
  | Olanzapine | 600 | Trimethoprim | 500 |  
  | Oxezepam | 5,120 | Varapamil | 500 |  
  | Oxycodone | 6,400 | Venlafaxine | 500 |  
  | Paraxanthine | 100,000 | Zolpidem | 250 |  
  | Paroxetine | 500 | Zopiclone | 125 |  |