Why choose AlphaBiolabs for nail alcohol testing

  • Rapid results from our UK laboratory
  • Test for historic chronic and excessive alcohol consumption
  • Can also be used to monitor abstinence
  • User-friendly reports accepted in every UK family court
  • ISO 17025 UKAS-accredited testing laboratory (No. 2773)
  • Effective alternative when other sample types are not viable (e.g. hair)
  • Amplified evidential power when used with other testing methods (blood, hair, breath, SCRAM CAM®)
  • All pricing within Legal Aid Agency rates
  • Our Price Promise – we will beat any like-for-like quote by a further 10%
  • Expert advice and a dedicated Case Manager to fully manage your instruction
  • Sample collections from any location within 24-48 hours of instruction
  • FREE legally-instructed sample collections at our nationwide Walk-in Centres
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Nail alcohol testing explained

  • 1 Nail alcohol testing is ideal for circumstances where hair testing is not possible, such as where the donor has little or no hair, or for religious reasons.
  • 2 It is also highly effective when used alongside other testing methods (blood, hair, breath testing or SCRAM CAM®) to provide a more comprehensive evidential picture.
  • 3 A nail alcohol test works by analysing fingernail clippings or toenail clippings for the presence of ethyl glucuronide (EtG) – a specific, long-term biomarker of ethanol (the intoxicating agent in alcoholic drinks).
  • 4 When a person consumes alcohol, it is broken down by the liver, and its metabolites (breakdown products) are released into the bloodstream. Biomarkers of EtG – a direct metabolite of alcohol –then become trapped within the keratin fibres of the nail.
  • 5 Fingernail clippings offer an overview detection window of up to approximately 6 months, while toenail clippings provide an overview detection window of up to approximately 12 months. This is because fingernails and toenails grow at different rates.

Sample collection

  • Either fingernail clippings OR toenail clippings can be used for testing, but not a mixture of both. This is because they grow at different rates, with fingernail clippings offering an overview of up to 6 months for chronic and excessive alcohol consumption and toenail clippings offering an overview of up to 12 months.
  • If the nail is long (5mm or above), only one nail clipping is required. If the nails are short, a few nail clippings are collected from different fingers or toes.
  • Any artificial nail applications including acrylics, gels, polish and nail extensions must be completely removed prior to the nail samples being collected. Please note that the use of removal solutions (e.g. nail polish remover, acetone) will not impact the results of the test.

Frequently Asked Questions

Nail analysis can provide detailed information about alcohol misuse and is a highly stable, simple-to-collect, and easy-to-transport sample. It offers a reliable means of evidencing long-term alcohol use, and offers:

  • A standalone option when other sample types are not viable (e.g. hair)
  • Amplified evidential power when used with other testing methods (blood, hair, breath, SCRAM CAM®)

The test can be used to monitor abstinence or chronic and excessive alcohol consumption over an extended period, by analysing nail clipping samples for the presence of ethyl glucuronide (EtG) – a specific, long-term biomarker of alcohol.

The benefits of nail alcohol testing include:

  • Non-invasive sample collection: only fingernail clippings or toenail clippings required.
  • Long detection window: providing greater insight into an individual’s drinking patterns over a longer period (up to approximately 6 months for fingernail clippings and up to approximately 12 months for toenail clippings).
  • Accessibility: nail testing is ideal in circumstances where hair alcohol testing is not possible (e.g. due to shaving, alopecia, or cultural/religious practices) or where adulteration of hair samples is suspected (e.g. bleaching, perming, dyeing, straightening or excessive washing).
  • Complement to other forms of alcohol testing: combining nail alcohol testing with other testing methods (e.g. blood biomarker/PEth testing) can help build a multi-source profile of alcohol use (proof of abstinence or supportive of chronic and excessive use). This is particularly valuable in care proceedings where establishing long-term behaviour is critical.

The cost of a nail alcohol test varies depending on the requirements of the instructing party.

If you have received a quote for nail alcohol testing from another testing laboratory, we will match their price and reduce it by a further 10%. This makes AlphaBiolabs the most cost-effective solution for your legal alcohol testing needs.

To request a quote for nail alcohol testing, simply complete our online form, and a member of our Legal team will be in touch to discuss your needs.

You can also call 0333 600 1300 or email testing@alphabiolabs.com for more information.

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