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A member asked:
How much thc is detectable in a hair follicle drug test?
4 doctors weighed in across 2 answers
Longest window of de: Hair test offers the longest window of detection.That is 90 days in a standard test test does not detect the amount but presence of thc.The testing method measures drug molecule embedded in the hair shaft and not hair follicle.
Answered 6/17/2017
4.5k views
That depends: Different tests may have different cutoffs. Some labs have a cutoff at 50 PG/MG. See: https://www.samhsa.gov/sites/default/files/meeting/documents/july_2013_moore_compliant.pdf In “Pharmacokinetics of Cannabinoids” by McGilveray IJ it is stated “Hair tests are more likely to detect regular than occasional marijuana use. One study found that 85% of daily users tested positive for marijuana, versus
Answered 9/7/2019
142 views
Related Questions
A member asked:
How can I pass a hair follicle test fasest? Not looking for a miracle just factual ways to cleanse the THC from my hair fastest etc.
A doctor has provided 1 answer
A member asked:
My husband has not smoked pot in six months. Will he be able to pass a hair follicle test for THC or must he wait longer?
A doctor has provided 1 answer
A member asked:
Would I pass a THC hair follicle test if I smoked marijuana once. It was once in July and I won't have the test until at least the end of October?
A doctor has provided 1 answer
A member asked:
I took a urine test and 5ng of THC showed. Will that show in a hair folicle? I was around 2nd hand smoke.
4 doctors weighed in across 2 answers
A member asked:
Scientists have discovered any solutions that will clean THC from hair follicles?
A doctor has provided 1 answer
People also searched for:
Regarding hair follicle drug test, will THC be be present in hair follicles four months after quitting?
To fail a hair follicle drug test does there have to be a certain number or amount of THC present or is it any amount that will fail you?
I have a upcoming drug test, how long does marijuana (thc) stay in your hair follicles? An is there anything to take it out of your system?
How sensitive is a hair follice drug test? In terms of THC use, I'm around friends who smoke it, but don't smoke it myself. I'm worried I might fail.
What products contain THC that could possibly make you fail a hair follicle test?
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