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

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