Clinical guidelines and procedures for the use of methadone in the maintenance treatment of opioid dependence

Appendix 4: Detection time for selected drugs in urine

Page last updated: August 2003

  • Alcohol (dose dependent): 24 hours

  • Amphetamines: 2-3 days

  • Benzodiazepines (dose dependent):

    • Prescription dose: 3-5 days
    • High level misuse: 6 weeks

  • Cannabis (tested to cut off level of 100 nanograms):

    • One time use: 2 days
    • Three times per week: 2 weeks
    • Daily use: 2-4 weeks
    • Very heavy use: 4-6 weeks (may be up to 12 weeks)

  • Ecstasy (MDMA): 2-3 days

  • LSD: 2-3 days

  • Heroin and Morphine: 3 days

  • Hydromorphone: 1-2 days

  • Methadone: 3-4 days

  • Propoxyphene: 2-3 days

  • Propoxyphene metabolites: 3-6 days Top of page

  • Codeine: 1-2 days

  • Barbiturates: 2-3 weeks

  • Cocaine: 1-5 hours

  • Cocaine metabolites: 2-4 days

  • Phencyclidine: 1-8 days

Information supplied by the Institute of Medical and Veterinary Science, Frome Rd Adelaide.