how long is urine viable for drug testing. I took a split sample test 8 days ago. the initial test was positive for marijuana. I had 72 hours to send a written request for the confirmation test. I sent the request on a friday evening,knowing that the request won't be seen until 10 days have passed. Will the urine still be good for this test? or will I be asked for a new sample.
If the shelf is in the freezer, as it ought to be, then it is very long indeed. Drug testing laboratories are required to keep part of the sample for a duration of not less than one year, at a temperature of not more than -15 °C
If you purchased a synthetic urine like Quick Fix, it would last for 2 years. Just "heat and serve" ;)
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