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HAIR DRUG TEST | 800.371.2838 Call us 24/7 | Hair Follicle Drug Test | Hair Follicle Drug Test Local Clinic | Hair Follicle Testing Lab | Onsite Hair Follicle Drug Test | MRO | Medical Review Officer | SAMHSA

              

We understand that the hustle and bustle of 21st century lives don't always permit timely arrivals to appointments. With you in mind, we have created a system that moves just as quickly as you do. The running late, rescheduling and remorse for missing an appointment ends here and now.

 

Our new and improved ticket system is now more convenient than ever.

 

Whether you call a few days in advance or while en route to your local clinic, our call center representatives are eager to assist you 24/7. Upon receiving your call, your representative will issue a personalized test ticket with a barcode number, for you to present with your photo ID at the clinic on arrival. No printer? No problem! Your barcode number can be emailed, faxed, or given to you over the phone. Home / / Hair Follicle Drug Test

 

 

           

Give us a call at

800.371.2838

24/7. Our well seasoned call center representatives are eager to assist you, or place your order!


Specimen Collection




The collector obtains a 100 milligram sample of hair (90 to 120 strands) cut at the scalp. The collector secures the hair sample in foil and completes chain-of-custody documentation in preparation for shipment to the testing laboratory. Since hair samples are obtained in full view of the collector, the process minimizes the likelihood of sample adulteration or specimen substitution. Detect Lab offers hair specimen collections in many of our specimen collection labs located throughout the United States. Our extensive network offers your employees convenient access to a Detect Lab collection site.



Testing Process

Detect Lab Corp offers initial screening tests performed by enzyme-linked immunosorbent assay (ELISA) with confirmation of presumptive positive screens by gas chromatography/tandem mass spectrometry (GC/MS/MS) or liquid chromatography/tandem mass spectrometry (LC/MS/MS). Results for specimens that screen negative for all drugs are generally available within 48-72 hours after specimens are received at the laboratory. Results for confirmation testing of presumptive positive screens are usually available within an additional 72 hours.

Hair Drugs of Abuse Testing Frequently Asked Questions

Q: What is hair drug testing?
Drug and drug metabolite(s) are incorporated into the hair matrix from the bloodstream following drug use. Hair drug testing detects drugs that are embedded in the hair.1

Q: How much hair is needed for a hair drug test?
A hair drug test with initial screen and confirmation requires 100 milligrams of hair (90 to 120 strands).

Q: What time period does a hair drug test cover?

Hair growth rates vary; typically, head hair grows at an average of one-half inch per month. Therefore, a 1.5 inch hair sample detects drug use up to 90 days prior to testing.1




Q: How does the drug detection window for hair compare to urine and oral fluid?
Drug detection times vary depending on the dose, sensitivity of the testing method used, preparation and route of administration, duration of use (acute or chronic), the matrix that is analyzed, the molecule or metabolite that is looked for, the pH and concentration of the matrix (urine, oral fluid), and variations in metabolic and renal clearance.2 In general, the detection time is longest in hair, followed by urine and oral fluid.2 Drugs in hair may be detectable for approximately 90 days, whereas drugs in urine are generally detectable for one to seven days or longer in chronic users and in oral fluid from five to 48 hours.2

Q: How soon after use can a drug be detected in hair?
Drug (and/or metabolite) can be detected approximately seven to 10 days from the time of drug use. This is the time in which the affected hair grows from the follicle to emerge above the scalp.




Q: How can tests be run on people with little or no hair?
Hair may be collected from several head locations and combined to obtain the required amount of hair. If no head hair is collectable, an employer may choose to use oral fluid or urine testing to detect drug use.

Q: Can hair collected from a brush be used?
No, a hair sample must be collected using proper chain-of-custody protocol and collection techniques. The test subject must verify the authenticity of the sample at the time of collection.

Q: When testing for drugs, what are the differences between hair testing cut-off levels and urine testing cut-off levels?
Urine cut-off levels are expressed in nanograms per milliliter (ng/mL) or as a weight of drug per unit volume of urine. Hair cut-off levels are expressed in picograms per milligram (pg/mg) or as a weight of drug per unit weight of hair.

Q: How does the laboratory address external exposure to certain drugs like marijuana or crack (cocaine) smoke?
While washing the hair sample may remove some of the contamination, ultimately external exposure can be differentiated from actual use because of the presence of the drug metabolite, which is not present when environmental contamination is the source of the drug.

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