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Fingernail Resources

Fingernail Resources

Fingernail Drug Testing Fingernail Drug Panels

Fingernail Collection Instructions


Fingernail Videos

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CCDG Presentation

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Demethylated Metabolites of Oxycodone and Hydrocodone in Hair and Nail Specimens by Amy Alexander

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Direct Alcohol Biomarkers – EtG and PEth Webinar

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Direct Biomarkers of Alcohol Use by Dr. Adam Negrusz

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Fingernail Collection Training Video

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Follow a Fingernail Specimen Through the Lab by Joseph Jones

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Following a Fingernail Specimen Through the Laboratory

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Long-term Biomarkers for monitoring DUI/OWI offenders

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Marijuana in Hair & Fingernail Webinar

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Methamphetamine and Amphetamine in Matching Nail and Hair Samples by Dr. Irene Shu

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The Future of Hair Testing

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USDTL Fingernail Testing FAQ

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Wisconsin Counties Use Long-Term Alcohol Biomarker Testing

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The Benefits of Nail Testing

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Fingernail Infographics

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Fingernail Poster Presentations

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USDTL Fingernail Test In the News

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Fingernail Announcements

Cotinine Detection in Hair and Nail Specimens

13-Sep-2021

Long-term detection of the nicotine biomarker cotinine is now available in hair and fingernail specimens. This test was created to determine the exposure of the donor to environmental tobacco smoke and can be added to any hair or nail test panel or ordered as a stand-alone test.

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Fingernail Articles

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USDTL Fingernail Research

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Fingernail FAQs

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Contact USDTL

1.800.235.2367