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Hair drug testing is among the generally used strategies of drug testing to find out the presence or absence of the required medication or their metabolized traces. It is taken into account as correct and might point out drug use way back to 90 days. Because the bloodstream feeds hair development, analyzing a small pattern of hair reveals the ingestion of medicine of abuse. Hair testing can take a look at for Amphetamines, Cocaine, Marijuana, Opiates, and Phencyclidine.
Sample Collection
Human hair grows 0.5 inches in a month on common. Hair drug testing provides outcomes roughly 30 to 90 days after drug abuse, as testing laboratories usually require 0.5 and 1.5 inches for testing comparatively. The donor's hair is minimize close to the rear of the crown and as near the scalp as doable. A pattern of roughly 120 strands is required. If the take a look at topic has little or no hair, or head hair is lower than half of inch lengthy, a physique hair assortment could also be carried out. For drug testing, hair pattern is probably collected from chest, underarm, leg or facial hair. If you're conducting for your self, don't mix hair from completely different websites on the physique.
Testing Procedure
Using a small pattern of hair, hair drug testing evaluation, and evaluates the quantity of drug metabolites entrenched contained in the hair shaft.
Testing Procedure contains the next steps.
· Clean the scissors with an alcohol wipe earlier than acquiring hair pattern.
· Collect the pattern.
· Put the testing pattern within the foil. Keep the basis finish out nearly 1/four inch from the slanted finish of the foil. Fold the foil sideways and place the pattern contained in the envelope with root ends to the left.
· Take the safety seal from the left aspect of the CCF and place it on the underside of the envelope the place indicated. Instruct the donor to preliminary and date the seal and envelope after the collector has positioned the seal on the envelope. The collector then initials and dates the seal and envelope.
· Place the sealed specimen bag into the in a single day transport package deal and ship the specimen to the designated Quest Diagnostics laboratory.
Hair drug testing technique is correct and efficient. Lab affirmation exams are additionally typically used to technically affirm the drug presence. Hair testing offers as much as 2.5 occasions the variety of positives, in comparison with urine specimen testing, and in addition an extended detection window.
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