Toxicology Testing Solutions

About Our Toxicology Laboratory

Virant Diagnostics Toxicology Laboratory uses state-of-the-art chemistry analyzer and mass spectrometry to produce definitive toxicology testing results.

Virant Diagnosctics Toxicology Laboratory is a physician-managed accredited clinical reference toxicology laboratory specializes in Mass Spectrometry and Toxicology using advanced liquid chromatography with tandem mass spectrometry (LC-MS/MS) to identify common or obscure substance of abuse, or to monitor therapeutic drug compliance. We guarantee fast turnaround times with high accuracy and precision and unparalleled customer service. Our staff physicians can provide assistance with clinically-relevant custom panel design and results interpretation as needed.

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Confirmation Test Menu

by Mass Spectrometry​

Ethyl glucuronide (EtG)

Ethyl sulfate (EtS)

Cotinine (nicotine metabolite)

Mitragynine (Kratom)

Amphetamine (Adderall)

Methamphetamine (Desoxyn)

Phentermine (Ionamin, Sentis)

*Amphetamine, Methamphetamine, Phentermine – see alsoAnti-ADHD

Amphetamine (Adderall)

Desipramine (Norpramine)

Imipramine (Tofranil)

Methamphetamine (Desoxyn)

Nortriptyline (Pamelor)

Phentermine (Ionamin, Sentis)

*Amphetamine, Methamphetamine, Phentermine – see alsoAmphetamines

*Desipramine, Imipramine, Nortriptyline – see alsoAntidepressants (TCA)

Amitriptyline (Elavil)

Desipramine (Norpramine)

Imipramine (Tofranil)

Nortriptyline (Pamelor)

*Desipramine, Imipramine, Nortriptyline – see alsoAnti-ADHD

Clonidine (Catapres)

9-hydroxyrisperidone (risperidone (Risperdal) metabolite)

Amobarbital (Amylobarbitone, Sodium Amytal)

Butalbital (Esgic, Fioricet, Fiorinal, Sandoptal)

Phenobarbital (Luminal)

Alprazolam (Xanax)

alpha-hydroxyalprazolam (Xanax metabolite)

7-aminoclonazepam (clonazepam (Klonopin) metabolite)

Lorazepam (Ativan)

Nordiazepam (Nordaz)

Oxazepam (Serax)

Temazepam (Restoril)


Buprenorphine (Belbuca, Buprenex, Butrans, Suboclade, Subutex)

Norbuprenorphine (buprenorphine metabolite)


  • THC-COOH (cannabis (THC) metabolite)


  • JWH-018 metabolite (JWH-018 4-hydroxypentyl)
  • JWH-073 metabolite (JWH-073 3-hydroxybutyl)
  • JWH-122 metabolite (JWH-122 4-hydroxypentyl)

Benzoylecgonine (cocaine metabolite)

Fentanyl (Actiq, Duragesic, Fentora, Sublimaze

Norfentanyl (fentanyl metabolite)

Gabapentin (Neurontin)

6-acetylmorphine (6-AM; heroin metabolite)

Methadone (Dolophine, Methadose)

EDDP (methadone metabolite)


MDA (Sally)


MDMA (Ecstasy)


Hydrocodone (Hysingla, Zohydro)

Norhydrocodone (hydrocodone metabolite)



Meperidine (Demerol)

Normeperidine (meperidine metabolite)

Naloxone (Narcan)

Oxycodone (Roxicodone, OxyContin)

Noroxycodone (oxycodone metabolite)

Oxymorphone (Numorphan, Opana)

Phencyclidine (PCP; Angel Dust)

Pregabalin (Lyrica)

Propoxyphene (Darvon, PPX)

Norpropoxyphene (propoxyphene metabolite)


Zaleplon (Sonata)

Zolpidem (Ambien)

Carisoprodol (Soma)

Cyclobenzaprine (Flexeril)

Meprobamate (Equanil, Miltown)



Methylone (MDMC, bk-MDMA)

Tapentadol (Nucynta)

Tramadol (Ultram)

O-desmethyl-cis-tramadol (tramadol metabolite)

Cutting-Edge Technology

  • Qualitative analysis with enzyme-linked immunoassay (EIA) for specimen screening
  • Quantitative analysis via advanced liquid chromatography with tandem mass spectroscopy (LC-MS/MS) for confirmation testing

Drug Screening Menu

5 Drug Class Panel
  •  Amphetamines | Cannabinoids | Cocaine | Opiates | Phencyclidine
6 Drug Class Panel
  •  5 Drug Class Panel + Heroin
11 Drug Class Panel
  •  6 Drug Class Panel+ Barbiturates | Benzodiazepines | Methadone | Methylenedioxyamphetamines (MDAs) | Propoxyphene
Opioid Plus Panel
  • Alkaloids | Buprenorphine | Fentanyls | Heroin | Methadone | Opiates | Opioids & analogs | Oxycodone & Oxymorphone | Tapentadol | Tramadol