Drug Retention Times
Different types of drugs have varying detection windows. Many factors can impact the period of detection time, such as usage frequency, individual metabolism, health status and more. The information provided is a guideline and does not indicate that a drug will be detected for this long in all cases.
Urine retention time
| FULL DRUG NAME | CODE | RETENTION |
| Amphetamines | AMP | 2-4 days |
| Barbiturate | BAR | 1-2 days |
| Benzodiazepine | BZO | 3-30 days |
| Buprenorphine | BUP | 5-8 days if you are healthy or 7-12 days if you have liver disease |
| Cannabis | THC | Up to 3 days for single use Up to 7 days for moderate use Up to 15 days for heavy use Up to 30 – 36 days for chronic use |
| Clonazepam | CLO | 21-30 days |
| Cocaine | COC | 2-4 days |
| Cotinine | COT | 3-5 days |
| Ethyl Glucuronide | ETG | 1-3 days |
| Fentanyl | FYL | 2-3 days |
| Gabapentin | GAB | 2-3 days |
| Hydromorphone | HMO | 2-4 days |
| Ketamine | KET | 3-5 days |
| Lysergic Acid Diethylamide | LSD | 2-5 days |
| 6-Monoacetylmorphine | 6-MAM | 1-3 days |
| Methylenedioxymethamphetamine | MDMA | 1-2 days |
| Methamphetamine | MET/MAMP | 2–4 days |
| Morphine | MOP | 1-2 days |
| Methylphenidate | MPD | 1-3 days |
| Methaqualone | MQL | 12-14 days |
| Methadone | MTD | 3-13 days |
| Methcathinone | MCAT | 7-30 days |
| Mephedrone | MEP | 1-2 days |
| Opiates | OPI | 2-5 days |
| Oxycodone | OXY | 2-4 days |
| Phencyclidine | PCP | 1.5-10 days |
| Pregabalin | PRE/PGB | 5-6 days |
| Propoxyphene | PPX | 1-2 days |
| Synthetic Cannabis | K2 | 1-3 days |
| Tramadol | TRA/TML | 6 hours – 2 days |
| Tricyclic Antidepressants | TCA | 2 – 10 days |
| 2-Ethylidene-1, 5-Dimethyl-3, 3-Diphenylpyrrolidine | EDDP | 2 – 5 days |
Oral fluid retention time
| FULL DRUG NAME | CODE | RETENTION |
| Amphetamines | AMP | 72 hours |
| Barbiturates | BAR | 52 hours |
| Benzodiazepines | BZO | 72 hours |
| Buprenorphine | BUP | 72 hours |
| Cocaine | COC | 24 hours |
| Cotinine | COT | 48 hours |
| Fentanyl | FYL | 48 hours |
| Heroine | HRN | 72 hours |
| Ketamine | KET | 48 hours |
| Cannabis | THC | 24 hours |
| Methylenedioxymethamphetamine | MDMA | 21 hours |
| Methamphetamine | MET/MAMP | 72 hours |
| Morphine | MOP | 72 hours |
| Methadone | MTD | 48 hours |
| Opiates | OPI | 21 hours |
| Oxycodone | OXY | 48 hours |
| Phencyclidine | PCP | 72 hours |
| Propoxyphene | PPX | 48 hours |
| Synthetic Cannabis | K2 | 48 hours |
| Tramadol | TRA/TML | 12 hours |
