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)
Alprazolam50
a-Hydroxyalprazolam60
7-Aminoclonazepam50
Diazepam50
Nordiazepam50
Oxazepam60
Temazepam50
Triazolam50
Lorazepam50
Opioids Panel (LC-MS/MS)Cutoff (ng/mL)
Codeine50
Morphine50
Hydrocodone50
Hydromorphone20
Norhydrocodone50
Dihydrocodeine50
Oxycodone50
Oxymorphone50
Noroxymorphone20
Amphetamine/Stimulants /ADHD Panel (LC-MS/MS)Cutoff (ng/mL)
Amphetamine50
Methamphetamine50
Methylphenidate50
Barbiturates Panel (LC-MS/MS)Cutoff (ng/mL)
Butalbital200
Phenobarbital200
Secobarbital200
Tricyclic AntidepressantsCutoff (ng/mL)
Amitriptyline50
Nortriptyline50
Imipramine50
Carboxy-THC (Marijuana metabolite)Cut Off (ng/mL)
Carboxy-THC30
Illicit Drugs Panel (LC-MS/MS)Cutoff (ng/mL)
6-MAM20
Benzoylecgonine50
MDA50
MDMA50
MDPV50
Mephedrone50
PCP25
Ethanol Panel (LC-MS/MS)Cutoff (ng/mL)
Ethyl Glucuronide300
Ethyl Sulfate300
Nicotine Panel (LC/MSMS)Cut Off (ng/mL)
Nicotine50
Cotinine50
Carisoprodol/MeprobamateCut Off (ng/mL)
Carisoprodol50
Meprobamate50
NeuropathicsCut Off (ng/mL)
Gabapentin500
Pregabalin500
Zolpidem and MetaboliteCut Off (ng/mL)
Zolpidem50
Zolpidem-Phenyl-Carboxylic Acid50
Selective Serotonin Reuptake InhibitiorsCut Off (ng/mL)
Citalopram50
Fluoxetine50
Paroxetine50
Sertraline50
Synthetic OpioidsCut Off (ng/mL)
Buprenorphine20
Norbuprenorphine60
Fentanyl10
Norfentanyl20
Methadone50
EDDP50
Tramadol50
o-Desmethyl-Tramadol50
Meperidine50
Naloxone50
Naltrexone50
Tapentadol50