• The presence of ketamine or norketamine >LOQ indicates exposure to ketamine within 2 days.


  • Ketamine is metabolized by N-demethylation to the active metabolite norketamine.

    Ketamine Norketamine

Confirmation Tests:

Approximate Detection Times

Ketamine LOQ (ng/mL) Detection Time* up to
Ketamine 25 2 days
Norketamine 25 2 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.