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Podcast # 455: Hunting for PeeCP

Emergency Medical Minute

Release Date: 04/11/2019

Author: Michael Hunt, MD

Educational Pearls:

 

  • Like all tests, urine toxicology (utox) screens can have false positives
  • Prescription medications such as demerol, antipsychotics, ketamine, and tramadol can all produce a false positive utox for PCP
  • Over-the-counter medication such as dextromethorphan also mimic PCP on utox

 

References

Doyon S. (January 2014). False Positive Urine Screens for Phencyclidine. ToxTidbits. Retrieved from https://www.mdpoison.com/media/SOP/mdpoisoncom/ToxTidbits/2014/January%202014%20ToxTidbits.pdf

Summarized by Will Dewispelaere, MS3 | Edited by Erik Verzemnieks, MD