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.
A 14-year-old boy presented unresponsive to a children’s hospital after a presumed fentanyl overdose. His urine drug screen was negative in the emergency department, including opiates. While in the ...
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