Drug Testing

Specialized Drug Testing

The drugs of abuse patch uses sweat at the specimen source. It provides an alternative to urine collection and offers a number of advantages. Because the sweat patch is worn on the skin for up to 10 days or longer, it not only acts as a deterrent to continued drug use, but also increases the window of detection to include any period when it is worn. With sweat testing – unlike urine – the parent drug as well as the drug metabolite can typically be detected. Therefore, it is easier to identify which drug was actually taken. The following are the advantages of the drugs of abuse sweat patch:

  • Increased window of detection
  • Acts as a deterrent to drug abuse
  • Detects Parent Drug and Drug Metabolites
  • Variable Removal Date
  • Quick Application & Removal
  • No Urine Collections
  • No Sample Substitution
  • No Sample Dilution
  • Screens for: Marijuana, Cocaine, Opiates, Amphetamine/Methamphetamine &PCP
Users of the Sweat Patch should have in their possession Chapter 8, entitled “Sweat Testing” written by Leo J. Kadehjian & Dennis J. Crouch, which appears in the Handbook of Workplace Drug Testing, 2nd edition, published by the American Association for Clinical Chemistry, Inc., on November 10, 2009.

Hair Follicle & Fingernail Drug Testing

Drug and alcohol biomarkers
are trapped in the keratin
fibers of the fingernail.

Hair is also made of keratin fibers, but
biomarkers may be washed out of hair by
common cosmetic treatments, a problem
that doesn’t exist when testing nails.

The Benefits of Fingernail Testing

The Use of Hair Exposure Testing (ChildGuard®) in the Evaluation of Child Physical Neglect/Drug Endangerment

USDTL Research

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