Toxicology
Our Test Menu
| Screen (Immunoassay) | Cutoff (ng/mL) |
|---|---|
| Ethanol | 500 |
| Amphetamine | 1000 |
| Barbiturates | 200 |
| Benzodiazepines | 200 |
| Buprenorphine | 10 |
| Cannabinoid | 50 |
| Carisoprodol | 100 |
| Cocaine | 300 |
| Fentanyl | 2 |
| Methadone | 300 |
| Opiates | 300 |
| Oxycodone | 100 |
| Phencyclidine | 25 |
| Tramadol | 200 |
| Specimen Validity | Reference Range |
|---|---|
| Creatinine | > 20 mg/dL |
| Oxidants | < 200 μg/mL |
| pH | 4.5 – 9 |
| Specific Gravity | 1.003 – 1.025 |
| Benzodiazepine Panel (LC-MS/MS) | Cutoff (ng/mL) |
|---|---|
| Alprazolam | 50 |
| a-Hydroxyalprazolam | 60 |
| 7-Aminoclonazepam | 50 |
| Diazepam | 50 |
| Nordiazepam | 50 |
| Oxazepam | 60 |
| Temazepam | 50 |
| Triazolam | 50 |
| Lorazepam | 50 |
| Opioids Panel (LC-MS/MS) | Cutoff (ng/mL) |
|---|---|
| Codeine | 50 |
| Morphine | 50 |
| Hydrocodone | 50 |
| Hydromorphone | 20 |
| Norhydrocodone | 50 |
| Dihydrocodeine | 50 |
| Oxycodone | 50 |
| Oxymorphone | 50 |
| Noroxymorphone | 20 |
| Amphetamine/Stimulants /ADHD Panel (LC-MS/MS) | Cutoff (ng/mL) |
|---|---|
| Amphetamine | 50 |
| Methamphetamine | 50 |
| Methylphenidate | 50 |
| Barbiturates Panel (LC-MS/MS) | Cutoff (ng/mL) |
|---|---|
| Butalbital | 200 |
| Phenobarbital | 200 |
| Secobarbital | 200 |
| Tricyclic Antidepressants | Cutoff (ng/mL) |
|---|---|
| Amitriptyline | 50 |
| Nortriptyline | 50 |
| Imipramine | 50 |
| Carboxy-THC (Marijuana metabolite) | Cut Off (ng/mL) |
|---|---|
| Carboxy-THC | 30 |
| Illicit Drugs Panel (LC-MS/MS) | Cutoff (ng/mL) |
|---|---|
| 6-MAM | 20 |
| Benzoylecgonine | 50 |
| MDA | 50 |
| MDMA | 50 |
| MDPV | 50 |
| Mephedrone | 50 |
| PCP | 25 |
| Ethanol Panel (LC-MS/MS) | Cutoff (ng/mL) |
|---|---|
| Ethyl Glucuronide | 300 |
| Ethyl Sulfate | 300 |
| Nicotine Panel (LC/MSMS) | Cut Off (ng/mL) |
|---|---|
| Nicotine | 50 |
| Cotinine | 50 |
| Carisoprodol/Meprobamate | Cut Off (ng/mL) |
|---|---|
| Carisoprodol | 50 |
| Meprobamate | 50 |
| Neuropathics | Cut Off (ng/mL) |
|---|---|
| Gabapentin | 500 |
| Pregabalin | 500 |
| Zolpidem and Metabolite | Cut Off (ng/mL) |
|---|---|
| Zolpidem | 50 |
| Zolpidem-Phenyl-Carboxylic Acid | 50 |
| Selective Serotonin Reuptake Inhibitiors | Cut Off (ng/mL) |
|---|---|
| Citalopram | 50 |
| Fluoxetine | 50 |
| Paroxetine | 50 |
| Sertraline | 50 |
| Synthetic Opioids | Cut Off (ng/mL) |
|---|---|
| Buprenorphine | 20 |
| Norbuprenorphine | 60 |
| Fentanyl | 10 |
| Norfentanyl | 20 |
| Methadone | 50 |
| EDDP | 50 |
| Tramadol | 50 |
| o-Desmethyl-Tramadol | 50 |
| Meperidine | 50 |
| Naloxone | 50 |
| Naltrexone | 50 |
| Tapentadol | 50 |