yeah the cutoffs on those home tests are 50ng/ml. most labs run a pre screening that looks at that level first. if its a negative on that, then you're good since the followup test with the gc/ms machine is expensive. the drawback is the gc/ms cutoff level is 15ng/ml so with just the home test, its hard to say if you fall in between. However, if you pass the initial 50ng/ml screen I wouldn't think they'd have any reason to run it through the ringer after that. Drink lots of water and you'll be fine.

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