Urine| Hair Follicle | Oral Fluid | Blood | ETG
Hair analysis has emerged as a potent method for identifying drug and alcohol consumption. The hair retains a prolonged record of substance use by capturing indicators within the growing strand. When sourced near the scalp, the hair can indicate usage for around a 90-day span. Collection of hair is straightforward, moderately resistant to tampering, and convenient to transport.
A 1.5-inch cut of roughly 200 hairs (comparable to a #2 pencil width) from near the scalp yields 100mg—ideal for testing. For analyses such as EtG, extras, or tests exceeding 10 panels, 150mg of hair is preferred. Utilizing a jeweler’s scale for weighing is advisable. If scalp hair cannot be collected, a similar quantity of body hair is acceptable. When head hair is mentioned, it refers specifically to scalp hair. Body hair encompasses other types (facial, axillary, etc.).
Process Overview
The laboratory drug test outcome involves four principal steps: Accessioning, Screening, Extraction, and Confirmation.
Accessioning marks the initial stage of integrating a sample into a lab's framework. This step confirms the sample was properly sealed and dispatched, allocates a unique LAN (Laboratory Accessioning Number), and completes any missing data not provided electronically.
Screening serves as an initial assessment for substance presence. Although an economical method to largely exclude drug use, a positive result requires confirmation to be valid legally. Samples that test positive at the Screening level require further verification.
Upon a positive outcome during Screening, additional hair is taken from the original sample for Extraction. Here, drugs are isolated at much lower concentrations compared to other methods (e.g., urine or saliva), illustrating the complexity of hair testing.
Verification of positive screenings is executed using GC/MS, GC/MS/MS, or LC/MS/MS. All positive-result samples undergo washing before Confirmation as necessary. The entire lab process from Accessioning to Confirmation adheres to both the CAP (College of American Pathologists) Hair standards and the ISO / IEC 17025 accreditation.
Advantages of hair drug testing:
Limitations:
Note: While commonly termed "hair follicle tests", only the strand, not the follicle beneath the skin, is analyzed.
In John Day, OR, hair follicle testing emerges superior over traditional urine tests, thanks to its enhanced detection reliability.
The benefits of hair testing are its durable detection capabilities and greater accuracy, setting it apart from more conventional urine examinations.
Discover the power of hair follicle testing in John Day, OR, offering a comprehensive detection window up to 90 days, surpassing alternatives comprehensively.
Hair testing provides employers a sweeping view of substance usage, offering a vital tool for assessing applicant history over a longer period.
In John Day, OR, hair follicle testing stands as a robust defense against sample tampering, ensuring credible results are difficult to question.
This method is designed to minimize the opportunity for adulteration, promoting a higher standard of test reliability and accuracy.
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In John Day, OR, our process ensures simplicity and confidentiality from order to results, respecting privacy at every step.
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For employers in John Day, OR, hair follicle testing delivers peace of mind, helping maintain compliance with drug-free workplace policies efficiently.
This testing method reduces potential legal risks and fosters a safer work environment, vital for organizational welfare.
