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Click the images below for clinical information on commonly used prescription and illicit substances to enhance understanding of pharmacology, analysis and interpretation.
Alcohol Metabolite
| Drug Name | Common/Brand Name | Expected Screen Result | Expected Confirmation Result | Cutoff
(ng/mL) |
Detection Time |
| Ethyl Glucuronide (ETG) | Ethyl Alcohol, Ethanol, Alcohol | EtG Screen | EtG | 500 | Up to 4 days |
Amphetamine
| Drug Name | Common/Brand Name | Expected Screen Result | Expected Confirmation Result | Cutoff
(ng/mL) |
Detection Time |
| Amphetamine | Adderall, Dexedrine, Dextrostat, Benzedrine, ProCentra, Selegiline, Benzphetamine, Didrex, Vyvanse | Amphetamine | Amphetamine | 50 | Up to 5 days |
| Methamphetamine | Dexosyn, Methedrine, Selegiline, Benzphetamine, Vick's Inhaler, Didrex | Amphetamine / Methamphetamine | Methamphetamine / Amphetamine | 50 | Up to 5 days |
Anorectic Stimulant
| Drug Name | Common/Brand Name | Expected Screen Result | Expected Confirmation Result | Cutoff
(ng/mL) |
Detection Time |
| Phentermine | Adipex, Suprenza, Fastin, Pro-Fast, Atti-Pex, Ionamin, Phentercot, Phentride | Amphetamine | Phentermine | 200 | Up to 3 days |
Antiepileptic
| Drug Name | Common/Brand Name | Expected Screen Result | Expected Confirmation Result | Cutoff
(ng/mL) |
Detection Time |
| Gabapentin | Neurontin, Fanatrex, Gabarone, Horizant, Gralise | Gabapentin | Gabapentin | 500 | Up to 5 days |
| Pregabalin | Lyrica | Pregabalin | Pregabalin | 500 | Up to 2 days |
Antidepressant
| Drug Name | Common/Brand Name | Expected Screen Result | Expected Confirmation Result | Cutoff
(ng/mL) |
Detection Time |
| Bupropion / Hydroxybupropion | Wellbutrin, Zyban | 100 | Up to 3 days | ||
| Citalopram / N-Desmethylcitalopram | Celexa | 100 | Up to 3 days | ||
| Duloxetine | Cymbalta | 100 | Up to 2 days | ||
| Fluoxetine / Norfluoxetine | Prozac, Sarafem | 100 | Up to 11 days | ||
| Paroxetine | Paxil, Pexeva, Brisdelle | 100 | Up to 14 days | ||
| Sertraline / Norsertraline | Zoloft | 100 | Up to 8 days | ||
| Venlafaxine / O-Desmethylvenlafaxine | Effexor, Pristiq | 100 | Up to 8 days |
Barbiturate
| Drug Name | Common/Brand Name | Expected Screen Result | Expected Confirmation Result | Cutoff
(ng/mL) |
Detection Time |
| Amobarbital | Tuinal, Amytal | Barbiturate | Amobarbital | 100 | Up to 6 days |
| Butalbital | Fioricet, Esgic, Fiorinal, Ascomp, Capacet, Bupap | Butalbital | Butalbital | 50 | Up to 6 days |
| Pentobarbital | Nembutal | Barbiturate | Pentobarbital | 100 | Up to 6 days |
| Phentobarbital | Luminal, Belladona, Primadone | Barbiturate | Phentobarbital | 50 | Up to 16 days |
| Secobarbital | Seconal, Tuinal | Barbiturate | Secobarbital | 100 | Up to 6 days |
Benzodiazepine
| Drug Name | Common/Brand Name | Expected Screen Result | Expected Confirmation Result | Cutoff
(ng/mL) |
Detection Time |
| Alpha-Hydroxytriazolam | Halcion | Benzodiazepine | Alpha-Hydroxytriazolam | 20 | Up to 5 days |
| Alprazolam / alpha-Hydroxyalprazolam | Xanax, Niravam, Xanor | Benzodiazepine | Alprazolam / alpha-Hydroxyalprazolam | 50/20 | Up to 5 days |
| Chloradiazepoxide | Librium, Librax, Libritabs | Benzodiadepine | Nordiazepam / Oxazepam | 20 | Up to 10 days |
Buprenorphine
| Drug Name | Common/Brand Name | Expected Screen Result | Expected Confirmation Result | Cutoff
(ng/mL) |
Detection Time |
| Zolpidem / ZCA | Ambien | None Available | Zolpidem | 20 | Up to 3 days |
Illicit
| Drug Name | Common/Brand Name | Expected Screen Result | Expected Confirmation Result | Cutoff
(ng/mL) |
Detection Time |
| Zolpidem / ZCA | Ambien | None Available | Zolpidem | 20 | Up to 3 days |
Methylphenidate
| Drug Name | Common/Brand Name | Expected Screen Result | Expected Confirmation Result | Cutoff
(ng/mL) |
Detection Time |
| Zolpidem / ZCA | Ambien | None Available | Zolpidem | 20 | Up to 3 days |
Muscle Relaxant
| Drug Name | Common/Brand Name | Expected Screen Result | Expected Confirmation Result | Cutoff
(ng/mL) |
Detection Time |
| Zolpidem / ZCA | Ambien | None Available | Zolpidem | 20 | Up to 3 days |
Nicotine
| Drug Name | Common/Brand Name | Expected Screen Result | Expected Confirmation Result | Cutoff
(ng/mL) |
Detection Time |
| Zolpidem / ZCA | Ambien | None Available | Zolpidem | 20 | Up to 3 days |
Opioids
| Drug Name | Common/Brand Name | Expected Screen Result | Expected Confirmation Result | Cutoff
(ng/mL) |
Detection Time |
| Zolpidem / ZCA | Ambien | None Available | Zolpidem | 20 | Up to 3 days |
Opioid Antagonist
| Drug Name | Common/Brand Name | Expected Screen Result | Expected Confirmation Result | Cutoff
(ng/mL) |
Detection Time |
| Zolpidem / ZCA | Ambien | None Available | Zolpidem | 20 | Up to 3 days |
Synthetic Cannabinoids
| Drug Name | Common/Brand Name | Expected Screen Result | Expected Confirmation Result | Cutoff
(ng/mL) |
Detection Time |
| Zolpidem / ZCA | Ambien | None Available | Zolpidem | 20 | Up to 3 days |
Synthetic Cathinones
| Drug Name | Common/Brand Name | Expected Screen Result | Expected Confirmation Result | Cutoff
(ng/mL) |
Detection Time |
| Bath Salts | Bliss, White Lightning, Cloud Nine | Mephedrone / Methedrone / MDPV / Methcathinone / Methylone / Pyrovalerone / Butylone / Ethylone | 25 | Up to 3 days |
Sedative
| Drug Name | Common/Brand Name | Expected Screen Result | Expected Confirmation Result | Cutoff
(ng/mL) |
Detection Time |
| Zolpidem / ZCA | Ambien | None Available | Zolpidem | 20 | Up to 3 days |


