An immunoassay (IA) test is a type of urine drug test (UDT) that can screen for phencyclidine, which people also call PCP or angel dust. This testing method is quick, easy to use, and cost effective.

People swear they were only using 100% cannabidiol (CBD), yet they failed their drug tests anyway. But urinescreenings don’t check for CBD, so how can using this cannabis compound get you in trouble? ...

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