The most common method of drug testing in this country for narcotics, marijuana, and illicit substances is a urinalysis. Marijuana has been known to stay in one's system for days or even weeks in high enough amounts to produce a positive urinalysis. The interesting thing here is that a positive drug test may therefore mean that the person is not under the influence of marijuana currently, and hasn't been under it for days. The Releaf Center
Medical
marijuana is legal now in 15 states and commonly being utilized to alleviate
problems from debilitating medical conditions such as glaucoma, nausea,
vomiting, spasms, and pain. If you are taking or contemplating medical
marijuana for use, and are currently employed and potentially subject to drug
testing, what are the various methods utilized and what is the scientific basis
behind each? This article provides the basics. Marijuana Near Me
Certain
states, such as Arizona, have the ability to fire an employee if they test
positive for marijuana while on the job and their job performance is being
affected. But what methods are actually valid to know if someone is actively
using? That would be a blood test, and the explanation is below. Recreational Marijuana
Near Me
What
is being tested with a marijuana drug test? It is not actually THC, also known
as tetra-hydro-cannabinol, which is a psychoactive component of marijuana.
What's
being tested for is one of the non-psychoactive cannabinoid metabolites called
THC-COOH. This metabolite is produced by the liver, and is indicative of
substantial metabolic degradation having already taken place. There is no
correlation between a positive test and a current state of marijuana
intoxication. Best
Marijuana Dispensary
Unfortunately,
this means urine tests are incapable of distinguishing between weekend use, regular
use, or on-the-job impairment. So if you are on medicinal marijuana, working,
and you undergo a urine drug test at work the result may be positive for
"marijuana". However, what's being tested is the inactive metabolite
which is not indicative of current real time use. Cannabis Marijuana Delivery
Blood
testing for marijuana is the most accurate test available, as it measures the
actual presence of THC in the bloodstream. It actually detects the current presence
of the psychoactive component in the blood. After using medical marijuana, a
blood test will register positive for a few hours. In the first 10 minutes of
smoking marijuana, THC levels peak sharply and then drop off dramatically over
the next few hours. Cannabis Store
Blood
tests can also detect for the metabolites of THC similar to the urine testing.
It can test for two metabolites, one inactive and one active. The inactive
metabolite is THC-COOH and is the same as the urine. The active one is called
11-OH-THC and is psychoactive. Blood levels mirror those of THC itself, rising
2-6 hours steadily after use. Marijuana
Although
it has not been definitively shown in studies, people think they can
definitively show when a person last used marijuana by evaluating the ratios of
these three substances.
Hair
testing for marijuana does not measure current use, but that from days, weeks,
or months past. Hair strand testing looks a metabolites that have settled in
the base of the hair follicle. Shampoos that say they will make for a negative
drug test may in fact clean the residue off the hair strands, but eliminating
the residue from the hair follicle will be impossible as the metabolites end up
in the structure of the hair.
Saliva
testing offers the benefit of being less invasive and messy. It is commonly
used in regular drug testing to evaluate for narcotics, and in most narcotics
the results with laboratory testing are equivalent. But this is not the case
with marijuana, and the results have not achieved reliability.
Starting
medicinal marijuana may help the debilitating condition dramatically. However,
if one is subjected to drug testing it is beneficial to know which test displays
active use and which will show inactive metabolites.
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