Drug screening


Can a lab test a urine sample that is one week old and that has already been tested one time for a drug screening?

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11 months 2 Answers 181 views 0

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  1. Your question seems incomplete and needs some more details for the better understanding of the doctors on doc2consult. Please feed in more and specific details about the condition for an effective and timely redressal.

  2. The problem with that is real urine spoils quickly, in a matter of hours. It will go cloudy, and within 24 hours it will be stringy in appearance. So unless you’re going straight to the lab, you going to have to chill it or freeze it.

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