Urine| Hair Follicle | Oral Fluid | Blood | ETG
Recognized as a potent mechanism for detecting substances, hair screening provides a timeline for drug and alcohol usage by sequestering indicators within hair fibers. Gathering hair near the scalp permits up to a three-month observation duration for detecting alcohol and other substances. The process of acquiring hair is straightforward, moderately resistant to tampering, and convenient for shipping.
Upon extracting a 1.5-inch portion comprising roughly 200 hair strands (comparable to a #2 pencil's girth) near the scalp, it yields 100mg of hair, which serves as an optimal sample for both screening and verification. For assessments involving EtG, additional tests, and/or panels exceeding 10, a 150mg specimen is advised. It is optimal to weigh the specimen using a jeweler’s scale. In the absence of scalp hair, an equivalent measure of body hair is permissible. "Head hair" pertains strictly to scalp hair, while "body hair" encompasses all other variants (facial, axillary, etc.).
Process Overview
The key phases in a laboratory's drug test result processing include Accessioning, Screening, Extraction, and Confirmation.
Accessioning pertains to the preliminary processing of a sample within a lab’s system. This entails confirming the sample’s proper sealing and shipment, assigning an arbitrary LAN (Laboratory Accessioning Number), and finalizing any pending data entry absent from an electronic chain of custody framework.
Screening constitutes an initial rapid assessment for substance misuse. While economically efficient for negating drug presence in the majority of samples, positive screening necessitates validation for court admissibility. All samples scoring presumptive positives during Screening mandate subsequent confirmation.
For samples revealed as presumptive positive during Screening, additional hair is drawn from the initial specimen and readied for Extraction. Here, substance removal from hair is at a significantly lower concentration compared to alternative methods (e.g., urine or oral fluid), underscoring the complexity of hair drug testing.
Confirmation of positive screening results is executed using GC/MS, GC/MS/MS or LC/MS/MS. All samples with presumptive positives undergo washing precursory to confirmation as requisite. The extensive laboratory procedure, spanning from Accessioning to Confirmation, undergoes scrutiny under both the CAP (College of American Pathologists) Hair designation and observance to ISO / IEC 17025 criteria.
Advantages of hair drug testing:
Limitations:
Note: Although often referred to as "hair follicle tests", the analysis focuses on the hair strand, not the follicle beneath the scalp.
In Venus, TX, hair follicle testing surpasses traditional urine tests for its superior detection accuracy and reliability. Unlike urine tests, hair tests offer a more extensive window for substance detection and are less susceptible to tampering. This gives a more precise picture of an individual's drug use history, making hair testing a preferred choice in numerous situations.
With an extended detection window of up to 90 days, hair follicle testing in Venus, TX, provides a comprehensive insight into an individual's substance use history. This prolonged observation period allows employers to better evaluate an applicant or employee's past behaviors associated with drug consumption.
The hair follicle testing method in Venus, TX, is notably tamper-resistant, significantly reducing the risk of sample adulteration. This ensures that the results remain reliable and uncontested, thereby providing peace of mind to employers and individuals seeking accurate drug testing.
Our convenient nationwide and local locations in Venus, TX, stand out, offering quick, easy, and seamless access to testing services. This ensures that individuals and businesses have hassle-free options for required drug testing, no matter the location.
In Venus, TX, ordering and receiving hair follicle test results is a straightforward and confidential process. The emphasis on privacy and ease of use helps alleviate concerns, providing a seamless experience from start to finish.
Competitive pricing and fast turnaround times characterize our services in Venus, TX. Businesses of all sizes benefit from the cost-effective solutions we offer, ensuring that our clients receive excellent value along with quick and dependable results.
In Venus, TX, the precision and swiftness of hair follicle drug tests are unmatched. These tests stand out for their high accuracy when identifying substance use. Hair tests are meticulously designed to yield rapid and dependable outcomes, ensuring individuals and employers receive trustworthy results in a timely manner.
Hair follicle testing in Venus, TX, aids in ensuring compliance with workplace drug-free policies, mitigating legal risks while enhancing safety. Employers gain peace of mind knowing their environments support sobriety, reducing the potential for incidents related to substance use in the workplace.
