Toxicology

Our Test Menu

Screen (Immunoassay)Cutoff (ng/mL)
Ethanol500
Amphetamine1000
Barbiturates200
Benzodiazepines200
Buprenorphine10
Cannabinoid50
Carisoprodol100
Cocaine300
Fentanyl2
Methadone300
Opiates300
Oxycodone100
Phencyclidine25
Tramadol200
Specimen ValidityReference Range
Creatinine> 20 mg/dL
Oxidants< 200 μg/mL
pH4.5 – 9
Specific Gravity1.003 – 1.025
Benzodiazepine Panel (LC-MS/MS)Cutoff (ng/mL)
Alprazolam/α-Hydroxyalprazolam20
7-Aminoclonazepam20
Chlordiazepoxide20
Diazepam20
Lorazepam20
Nordiazepam20
Oxazepam20
Temazepam20
Triazolam20
Opioids Panel (LC-MS/MS)Cutoff (ng/mL)
Buprenorphine/Norbuprenorphine20
Cis-Tramadol5
Codeine20
Dihydrocodeine20
Fentanyl/Norfentanyl20/20
Hydrocodone/Norhydrocodone20/20
Hydromorphone20
Meperidine10
Methadone/EDDP20
Morphine/Normorphine20
Naloxone20
Naltrexone20
Oxycodone/Noroxycodone20
Oxymorphone/Noroxymorphone20
Tapentadol20
Tramadol/o-Desmethyl-Tramadol20
Amphetamine/Stimulants /ADHD Panel (LC-MS/MS)Cutoff (ng/mL)
Amphetamine20
Methamphetamine20
Methylphendiate20
Barbiturates Panel (LC-MS/MS)Cutoff (ng/mL)
Amobarbital200
Butalbital200
Pentobarbital200
Phenobarbital200
Secobarbital200
Muscle Relaxers Panel (LC-MS/MS)Cutoff (ng/mL)
Carisoprodol20
Gabapentin180
Meprobamate20
Pregabalin180
Zolpidem/Zolpidem Phenyl-Carboxylic Acid20
Tricyclic Antidepressants and SSRIs Panel (LC-MS/MS)Cutoff (ng/mL)
Amitriptyline20
Citalopram20
Fluoxetine20
Imipramine20
Nortriptyline20
Paroxetine20
Sertraline20
Illicit Drugs Panel (LC-MS/MS)Cutoff (ng/mL)
Benzoylecgonine20
6-MAM20
MDA20
MDMA (Ecstasy)10
MDPV10
Mephedrone20
Phencyclidine20
THC-COOH30
Ethanol and Nicotine Panel (LC-MS/MS)Cutoff (ng/mL)
Cotinine20
Ethyl Glucuronide300
Ethyl Sulfate300
Nicotine20