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/α-Hydroxyalprazolam	20
7-Aminoclonazepam	20
Chlordiazepoxide	20
Diazepam	20
Lorazepam	20
Nordiazepam	20
Oxazepam	20
Temazepam	20
Triazolam	20

Opioids Panel (LC-MS/MS)	Cutoff (ng/mL)
Buprenorphine/Norbuprenorphine	20
Cis-Tramadol	5
Codeine	20
Dihydrocodeine	20
Fentanyl/Norfentanyl	20/20
Hydrocodone/Norhydrocodone	20/20
Hydromorphone	20
Meperidine	10
Methadone/EDDP	20
Morphine/Normorphine	20
Naloxone	20
Naltrexone	20
Oxycodone/Noroxycodone	20
Oxymorphone/Noroxymorphone	20
Tapentadol	20
Tramadol/o-Desmethyl-Tramadol	20

Amphetamine/Stimulants /ADHD Panel (LC-MS/MS)	Cutoff (ng/mL)
Amphetamine	20
Methamphetamine	20
Methylphendiate	20

Barbiturates Panel (LC-MS/MS)	Cutoff (ng/mL)
Amobarbital	200
Butalbital	200
Pentobarbital	200
Phenobarbital	200
Secobarbital	200

Muscle Relaxers Panel (LC-MS/MS)	Cutoff (ng/mL)
Carisoprodol	20
Gabapentin	180
Meprobamate	20
Pregabalin	180
Zolpidem/Zolpidem Phenyl-Carboxylic Acid	20

Tricyclic Antidepressants and SSRIs Panel (LC-MS/MS)	Cutoff (ng/mL)
Amitriptyline	20
Citalopram	20
Fluoxetine	20
Imipramine	20
Nortriptyline	20
Paroxetine	20
Sertraline	20

Illicit Drugs Panel (LC-MS/MS)	Cutoff (ng/mL)
Benzoylecgonine	20
6-MAM	20
MDA	20
MDMA (Ecstasy)	10
MDPV	10
Mephedrone	20
Phencyclidine	20
THC-COOH	30

Ethanol and Nicotine Panel (LC-MS/MS)	Cutoff (ng/mL)
Cotinine	20
Ethyl Glucuronide	300
Ethyl Sulfate	300
Nicotine	20