Urine drug test detection times and Saliva drug test detection times.

Urine and Saliva Drug Test Detection Times – How long can Drugs be detected in a urine drug test and saliva drug test.

Job Applicants and employees may be drug tested using one of our instant urine or saliva drug tests. Drug Testing may be part of these types of drug testing: Pre-employment drug test, Random drug test, Post Accident drug test or Reasonable Suspicion drug test based on the employers drug testing policy.

Detection times for urine drug tests and saliva drug tests.  

Drug
Cut-Off Level
Approximate Detection Time in Urine
Approximate Detection Time in Saliva
Amphetamine (AMP)
1,000 ng/ml
2 – 4 Days
1 – 3 Days
Barbiturates (BAR)
300 ng/ml
4 – 7 Days
Benzodiazepines (BZO)
300 ng/ml
3 -7 Days
Cocaine (COC)
300 mg/ml
2 – 4 Days
1 – 3 Days
Ecstasy (MDMA)
500 ng/ml
1 – 3 Days
Methadone (MTD)
300ng/ml
3 – 5 Days
Methamphetamine (MET)
1,000 ng/ml
3 – 5 Days
1 – 3 Days
Opiates (MOR)
300 ng/ml
2 – 4 Days
Opiates (OPI)
2,000 ng/ml
2 – 4 Days
1 – 3 Days
Phencyclidine (PCP)
25 ng/ml
7 – 14 Days
1 – 3 Days
Marijuana (THC)
50 ng/ml
15 – 30 days
6 – 12 Hours
Tri-Cyclic Antidepressants (TCA)
1,000 ng/ml
7 – 10 Days
Propxyphene (PPX)
300 ng/ml
1 – 2 Days
Oxycodone (OXY)
100 ng/ml
2 – 4 Days
Amphetamine (AMP300)
300ng/ml
2 – 4 Days
Cocaine (COC150)
150 ng.ml
2 – 4 Days
Methamphetamine (MET500)
500 ng.ml
3 – 5 Days

Drug detection depends on the the amount and frequency of use, metabolic rate, body mass, age, overall health, drug tolerance, and urine pH.

Drug Testing with on-site urine or saliva drug test products provides a preliminary drug test result and should be confirmed  using a laboratory to confirm non-negative drug test results. All non-negative onsite drug test results should be confirmed thru a certified laboratory.

We offer Lab confirmation and MRO service for our client using our instant drug test products. A Lab confirmation account can be set up for your company. Please contact our customer service department toll free 1-866-323-7336.

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