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Oral Detection Test for Cannabinoid Use

  • US 20090159792A1
  • Filed: 11/13/2008
  • Published: 06/25/2009
  • Est. Priority Date: 11/03/2004
  • Status: Active Grant
First Claim
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1. A method for confirming the active intake of marijuana in a test subject comprising the steps ofobtaining a test sample of oral fluid from said test subject;

  • anddetecting the amount of 11-nor-Δ

    9-THC carboxylic acid (“

    THCA”

    ) in said test sample by ionizing THCA from the sample under conditions suitable to produce one or more ions detectable by mass spectrometry;

    determining the amount of one or more ions by mass spectrometry; and

    using the amount of said one or more ions to determine the amount of THCA in the sample.

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