Hair drug testing is among the regularly used methods of drug testing to determine the presence or perhaps absence of the specified drugs or perhaps their metabolized traces. It is considered as accurate and can indicate drug use as long ago as 90 days. Because the blood feeds hair growth, examining a tiny sample of hair reveals the ingestion of drugs of abuse. Hair testing can test for Amphetamines, Cocaine, Marijuana, Opiates, and Phencyclidine.
Test Collection
Sample Collection
Human hair grows 0.5 inches in four weeks on average. Hair drug testing provides results roughly 30 to ninety days following drug abuse, as examining laboratories normally require 0.5 as well as 1.5 inches for testing comparatively. The donor’s hair style is cut close to the rear of the crown and as close to the head as you possibly can. A sample of approximately 120 strands is needed. Whenever the test subject has very little or maybe no hair, or head locks are less than 1/2 inch long, a body hair collection might be conducted. For drug testing, hair sample is possibly collected from chest, underarm, leg or facial hair. In case you are conducting for yourself, do not combine hair from a variety of sites on the body.
Testing Procedure
Using a tiny sample of hair, thc detox raleigh (i loved this) detox raleigh (i loved this) hair drug assessment analysis, as well as evaluates the volume of drug metabolites entrenched within the hair shaft.
Testing Procedure contains the following steps.
· Clean the scissors by having an alcohol wipe before obtaining hair sample.
· Collect the sample.
· Put the assessment sample in the foil. Keep the root end out just about 1/4 inch from the slanted end of the foil. Fold the foil sideways and put the sample within the envelope with root ends towards the left.
· Take the protection seal from the left aspect of the CCF and set it on the bottom part of the envelope where suggested. Instruct the donor to initial and particular date the seal and envelope after the collector has positioned the seal on the envelope. The collector next initials and dates the seal and envelope.
· Place the sealed specimen bag into the overnight shipping package and also send out the sample to the designated Quest Diagnostics lab.
Hair drug testing method is effective and accurate. Lab confirmation tests are usually often used to formally verify the drug presence. Hair assessment provides around 2.5 times the amount of positives, when as opposed with urine specimen testing, as well as additionally a lengthier detection window.