Drug Detection Time – Drug Time Table

Drug detection time indicate the time that a drug is detectable in the system. Drug testing can reveal its presence or metabolites in your specimen (learn more on cannabis detection time through hair follicle drug test). Drug detection time depends on a a variety of factors including frequency of use, type of test, dose, tolerance, metabolism, potency, cutoff levels, existence of medical conditions and other factors.

More reading: How to Pass a Hair Follicle Drug Test

Drug Detection Times

The information below was designed to help you understand the variety of drugs and the period of time they may be detected in your system. Please use these figures as a guide only:

DrugDetection Time
Amphetamines1-3 days in urine and around 12 hours in blood
Alcohol3-5 days in urine, 10-12 hours in blood
Barbiturates2-4 days in urine and 1-2 days in blood
Cannabis (THC)5-63 days in urine and up to 2 weeks in blood
Cocaine3-4 days in urine and 1-2 days in blood
Codeine1 day in urine and up to 12 hours in blood
Heroin3-4 days in urine and up to 12 hours in blood
LSD1-3 days in urine and up to 2-3 hours in blood
Methamphetamine (crystal meth)3-6 days in urine and 24 - 72 hours in blood
MDMA (ecstasy)3-4 days in urine and 1-2 days in blood
Methadone3-4 days in urine and 24-36 hours in blood
Morphine 2-3 days in urine and 6-8 hours in blood

Drug Test Cut-Off Levels for the Different Drugs

Drug NameSymbolNanograms/ml
AmphetaminesAMP1000ng/ml
BarbituratesBAR300 ng/ml
BenzodiazepinesBZO300 ng/ml
CocaineCOC300 ng/ml
MarijuanaTHC50 ng/ml
MethadoneMTD 300 ng/ml
MethamphetaminesMET1000 ng/ml
Opiates/MorphineOPI2000 ng/ml
PhencyclidinePCP25 ng/ml
Tricyclic AntidepressantsTCA30 ng/ml