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Oral detection test for cannabinoid use

  • US 7,465,586 B2
  • Filed: 11/03/2004
  • Issued: 12/16/2008
  • 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 of:

  • obtaining a test sample of oral fluid from said test subject; and

    detecting the amount of 11-nor-Δ

    9 THC carboxylic acid (“

    THCA”

    ) in said test sample,wherein said THCA has not been externally added to said test sample and said amount of THCA is less than about 240 pg/ml but greater than a predetermined cutoff amount;

    wherein the presence of THCA in said test sample in an amount greater than said predetermined cutoff amount confirms the active intake of marijuana by said test subject.

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