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  • May 2, 2015, 06:12 PM
    90 Day hair follicle 83days
    Im not a frequenr user but I smoked meth 83 days ago, it was one night. I have a hair follicle test and wanting to know my chances.
  • May 2, 2015, 06:23 PM
    You know they call it a 90 day test, because it is and should pick up usage within that time frame. The real issue will be what is their cut off point, or what level is acceptable inside your system.

    At 83 days and only used "lightly" you do have a chance to pass. How much you used prior to the 83 days, how much you used on that 83rd day will all be factors.
  • May 2, 2015, 06:49 PM
    What is a cut off point? And it was less than a half gram. And used the same amount about a week earlier one night.
  • May 4, 2015, 07:34 AM
    A hair drug test is meant to show consistence use over time. A 1.5 inch sample, cut at the scalp line, will go back 90 days. A cut-off level is the level at which you either test negative because you below the cutoff level or positive if you test above the cutoff level. The cutoff level for meth, for a lot of labs, is 500 pico grams per milligram (pg/mg). If you are not a frequent user, sometimes defined as 1-2 time per week, and you only did meth one time in that 90 day period my best guess is that you will be negative.

    Also it would be almost impossible for anyone to say that a half gram is going to cause a particular amount to show up on a hair drug test. Who know how pure the meth was and also each person metabolism is different.

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