Table of positivity durations of the most common drugs
Table of Drug Positive Times
The table below provides an overview of average drug detection times . These times can vary depending on many factors such as metabolism , frequency of use , and type of test used . The values given are guidelines and should not be considered absolute.
Definitions of Usage Modes:
- Occasional use : At least once in the past year.
- Regular use : More than once a week, at least ten occurrences per month.
- Daily use : Daily consumption.
- Heavy, daily use : Several times a day, every day.
Table of Positivity Duration
| Drug | Substances sought | Detection medium | Duration of positivity |
|---|---|---|---|
| Cannabis | delta-9-THC (THC) | Urine (50 ng/ml), Saliva (15 ng/ml) | Urine : 3-5 days (occasional), 30-70 days (regular) Saliva : 6-8 hours (occasional), up to 24 hours (intensive) |
| Cocaine and crack | Benzoylecgonine (benzo) | Urine (300 ng/ml), Saliva | Urine : 2-4 days Saliva : Up to 24 hours |
| Ecstasy (MDMA) | MDMA, MDA | Urine, Saliva | Urine : Up to 72 hours Saliva : Up to 12 hours |
| Amphetamines | AMP (Amphetamines) | Urine, Saliva | Urine : 1-3 days Saliva : 12-24 hours |
| Methamphetamines | MET (Methamphetamines) | Urine, Saliva | Urine : 2-4 days Saliva : Up to 72 hours |
| Opiates (Heroin, Morphine, Codeine) | MOP (Morphine, Heroin, Codeine) | Urine, Saliva | Urine : 2-4 days Saliva : 24-48 hours |
| Benzodiazepines | BZO (Benzodiazepines) | Urine, Saliva | Urine : 2-7 days (occasional), 4-6 weeks (chronic) Saliva : 12-24 hours |
| Barbiturates | BAR (Barbiturates) | Urine | Urine : 2-4 days (short duration), up to 3 weeks (long duration) |
| Buprenorphine | BUP (Buprenorphine) | Urine | Urine : Up to 7 days |
| Methadone | MTD (Methadone) | Urine, Saliva | Urine : 3-12 days Saliva : 24-48 hours |
| Tramadol | TML (Tramadol) | Urine | Urine : 1-4 days |
| Fentanyl | FYL (Fentanyl) | Urine | Urine : 1-3 days |
| Tricyclic antidepressants | TCA (Tricyclic Antidepressants) | Urine | Urine : 7-10 days |