Hair Testing

Hair Testing Overview

Hair testing is the most accurate and effective method of finding users of drugs of abuse. Using a small sample of hair cut at the scalp, hair analysis evaluates the amount of drug metabolites embedded inside the hair shaft.

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Hair Testing Frequently Asked Questions

1. What is hair drug testing? 
Since hair growth is fed by the bloodstream, the ingestion of drugs of abuse is revealed by analyzing a small sample of hair. Our testing method measures the drug molecules embedded inside the hair shaft, eliminating external contamination as a source of a positive test result. Hair testing results cannot be significantly altered with shampoos or other external chemicals.


Legality of Hair Testing

Over the past twenty-five years, there has been dramatic growth in the development, validation, and application of hair analysis to detect drugs in human hair. Over 300 studies and syntheses on hair drug testing have been published since its infancy in the mid-1950s up to present day. These studies have examined how hair drug testing is best utilized, the physiological intricacies of this matrix, and the ability of laboratories to perform forensically sound and legally defensible hair drug tests.

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New Cutoff Levels for Opiates Effective December 1, 2013

Please be advised that Omega Laboratories, Inc. will be lowering the Opiates screening and confirmation cutoff levels for all standard hair tests effective December 1, 2013. From this date forward, all hair specimen tests will be evaluated at 200 pg/mg of hair cutoff levels for Opiates and Extended Opiates. 

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