answersLogoWhite

0


Best Answer

hiar test are run at standard 3 month window , if hair i s 1" thats a 2 month window you cannot see a year into past when no material exist ( hair) to test with . so they can see up to 3 months unless hiar is shorter than 1.5" must be at least .5 " to run a test .

User Avatar

Wiki User

7y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: How far back will drug use be detected in a hair follicle test?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

Does Lortab show up on hair follicle test?

Any drug can be detected in your hair for up to 6 years-unless all your hair is pulled out by the roots!!!!


Can alcohol be detected in a hair follicle search?

Yes, alcohol can be detected in a hair follicle test. When you consume alcohol, it can be detected in your hair follicles, providing a longer detection window than other tests like breathalyzer or blood tests. Hair testing can typically detect alcohol use up to 90 days prior.


How can you pass a hair follicle drug test for alcohol?

alcohol does not show up on a hair follicle drug test. :)


Is hair Drug Test the same as hair follicle?

No, a hair drug test and a hair follicle test are not the same. A hair drug test analyzes several centimeters of hair for drug use patterns, while a hair follicle test involves analyzing the actual follicle for drug metabolites, providing a longer detection window.


Does age affect hair follicle drug testing?

No, Hair follicle Dose not affect age.


Does Navistar make their interns submit to a hair follicle or urine drug test?

hair follicle.


Can hair follicle detoxifiers be detected by the lab?

Yes, If Tested for the detoxifier.


Does pepsi do hair follicle drug test?

Yes


Does kllm transport do hair follicle drug screens?

KLLM's current policy includes hair follicle drug screens upon hire. Random urine and breathalyzers after that.


Can hair follicle drug test show amounts of drugs in your system?

When they do hair follicle testing, they can see your drug history. Which means they can go back as far as your length of hair will allow them and it usually takes about a week for what ever it is that you used to grow out into your hair, and unfortunately there is nothing you can really do about it.


Does schlumberger test for marijuana in its hair follicle test?

yes, I just went in for my preemployment drug screening and they administered both a urine and hair follicle test


If you did three lines of coke 10 weeks ago will it show up on a hair follicle test?

Yes, It will. Hair drug test can trace back up to 3 months of drug history.