Can frozen urine be submitted to a drug testing lab without the lab knowing it was frozen?

  • Posted on June 14, 2011 at 7:13 am

In other words, can I freeze my urine and then reheat it and submit it (via some device like the "whizzinator") to be tested for alcohol/drugs, without the lab knowing it had previously been frozen?

Additionally, are labs (e.g. Qwest labs) able to identify "synthetic urine" vs. real urine?

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