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Cut-Off / Detection Limits of different drugs

Based on Literature and Experience

Generally detection limits and detection times in urine are highly depending on the concentration of the urine. Consumed only once, the body disposed the substancies very quickly. In some exceptions drug metabolites can be detected for a longer period of time. This way a cocaine consumption could be prooved after a period of 10 days!

Parameter	Cut-Off	Detection Limit
Amphetamine	300 ng/ml 500 ng/ml 1000 ng/ml	1–3 days depending on pH-Value of Urin Sample
Barbiturates	300 ng/ml	1-20 days up to weeks with regular consumption
Buprenorphine	10 ng/ml	2–5 days
Benzodiazepine	200 ng/ml 300 ng/ml	2-3 days
Cocaine	100 ng/ml 200 ng/ml 300 ng/ml	2–4 days 15-22 days with regular consumption
Methadonmetabolit	100 ng/ml	2-6 days
Fentanyl	10 ng/ml	1-3 days
Ketamin	1.000 ng/ml	2–4 days up to 4 weeks with regular consumption
Metamphetamin	300 ng/ml 1000 ng/ml	1–4 days
MDA (Speed)	500 ng/ml	2–4 days - heavily depending on pH value of the urine
MDMA (Exstasy)	500 ng/ml	2–4 days - heavily depending on pH value of the urine
Morphine / Optiates	100 ng/ml 300 ng/ml 1000 ng/ml	2-3 days
Methaqualon	300 ng/ml	1-3 days
Methadon	300 ng/ml	2-5 days
Oxycodon	100 ng/ml	3-5 days
Phencyclidin	25 ng/ml	2–4 days
Propoxyphen	300 ng/ml	1-3 days
Trizyklische-Antidepressiva	1000 ng/ml	1-3 days
THC (Carboxyl-acid)	25 ng/ml 50 ng/ml 150 ng/ml	1–2 days 10–30 days up to 3 months
Tramadol	200 ng/ml	2-4 days
Alcohol