Phencyclidine (PCP)


  • The clearance half-life of PCP averages 15 hours.
  • The presence of PCP > LOQ indicates exposure to PCP within 2 to 8 days prior to specimen collection.

Confirmation Tests:

Approximate Detection Times

Phencyclidine LOQ (ng/mL) Detection Time* up to
Phencyclidine 25 8 days
*These are approximate detection times for the drug or metabolites in urine. The actual detection time depends on dose, frequency of use, and individual metabolism.