Accredited Drug Testing offers comprehensive hair follicle drug testing services in Almonte, California. Whether you need testing for drugs or alcohol, our specialty is hair testing, with available centers nationwide to conduct these tests. Typically, 1.5 to 2 inches of head or body hair is required. We offer analysis for various substances, including drugs and alcohol/ETG, and customizable options.
In recent times, hair follicle drug tests have been more commonly used for drug testing. Numerous employers, legal systems, and substance abuse specialists prefer hair drug testing over standard urine tests. Businesses enforcing zero-tolerance policies on drug use, judicial systems, and probation checks rely on hair follicle tests. The key advantage is its extended detection period, up to 90 days, with monitored collection and high tamper resistance, though urine tests remain more precise for recent use within a 5-day window.
* You must register by phone or online to receive your donor pass/registration prior to proceeding to the testing center. You must bring a valid government issued ID along with the registration/barcode number which was sent to you by email.
When you're searching for hair drug testing near me or hair drug testing locations, we provide a simple and convenient process to find a drug and alcohol testing location near you that is certified to provide all of your drug and alcohol testing needs.
Hair analysis has evolved into a robust method for identifying substance and alcohol consumption. The hair captures a lasting record of alcohol and drug use by embedding biomarkers within the fibers of the elongating strand. When sampled near the scalp, hair offers as much as a 3-month detection period for substances. Collecting hair is straightforward, relatively tamper-proof, and easy to transport.
A hair segment measuring 1.5 inches consisting of around 200 strands (comparable to a #2 pencil’s thickness) near the scalp yields 100mg, the optimal sample size for examinations and confirmations. For EtG, additional tests, or screenings beyond 10 panels, a specimen weighing 150mg is suggested. Using a jeweler’s scale is advised for precision in measuring the sample. If scalp hair isn't present, a comparable amount of body hair can be gathered. The term 'head hair' specifically refers to scalp hair, while 'body hair' encompasses all other hair types (facial, axillary, etc.).
Procedure Outline
The laboratory processing of a drug test involves four critical steps: Accessioning, Screening, Extraction, and Confirmation.
Accessioning includes the initial incorporation of a sample into a lab’s framework. This process ensures the sample was appropriately sealed and transported, a random LAN (Laboratory Accessioning Number) is assigned, and any supplemental data not supplied by an electronic chain of custody system is entered.
Screening serves as a preliminary assessment for detecting drugs of abuse. Although it's a cost-efficient technique to exclude drug usage for most samples, a positive screen requires confirmation for legal admissibility. Samples testing preliminarily positive during Screening necessitate a subsequent confirmation.
Should a sample test preliminarily positive during Screening, additional hair is extracted from the initial specimen for Extraction. Here, substances are drawn from the hair at concentrations significantly lower than in other testing methods (e.g., urine or saliva), making hair drug screening more demanding.
Confirmation of any positive screening finding is conducted using GC/MS, GC/MS/MS, or LC/MS/MS. All samples showing preliminary positives undergo a cleansing process before confirmation as necessary. The comprehensive laboratory sequence from Accessioning to Confirmation undergoes scrutiny under the CAP (College of American Pathologists) Hair designation and the accreditation to ISO / IEC 17025 standards.
Benefits of hair drug testing:
Drawbacks:
Note: While often called "hair follicle tests," the analysis focuses on the hair strand rather than the follicle beneath the scalp.
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