Dextromethorphan can produce false positive phencyclidine testing with HPLC.
Budai
Balint
B
Iskandar
Hani
H
D000293:Adolescent; D000996:Antitussive Agents / Q000494:pharmacology*; D002851:Chromatography, High Pressure Liquid; D003915:Dextromethorphan / Q000494:pharmacology*; D004347:Drug Interactions; D005189:False Positive Reactions; D006213:Hallucinogens / Q000494:pharmacology* / Q000652:urine; D006801:Humans; D008297:Male; D010622:Phencyclidine / Q000494:pharmacology* / Q000652:urine; D010623:Phencyclidine Abuse / Q000652:urine*; D015813:Substance Abuse Detection
D000996:Antitussive Agents; D006213:Hallucinogens; D003915:Dextromethorphan; D010622:Phencyclidine