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Accredited Drug Testing offers thorough hair follicle drug analyses in Townsend, Tennessee. For those requiring substance or alcohol testing via hair samples, our proficiency shines with centers located in every U.S. city capable of performing these tests. Generally, a minimum of 1.5 to 2 inches of hair from your head or body is necessary. These tests are suitable for detecting drugs, alcohol/ETG, and custom hair analysis options.
Recently, hair follicle drug examinations have become more prevalent in drug testing methods. Numerous employers, judicial systems, and substance abuse experts are increasingly favoring hair drug analysis over traditional urine tests. This technique benefits employers with zero-tolerance policies, legal entities, and probation requirements. The primary advantage is its extended detection span, observing drug use for up to 90 days, with minimal manipulation risk. Nevertheless, urine tests remain most reliable for detecting recent drug use within a five-day window.
Accredited Drug Testing offers thorough hair follicle drug analyses in Townsend, Tennessee. For those requiring substance or alcohol testing via hair samples, our proficiency shines with centers located in every U.S. city capable of performing these tests. Generally, a minimum of 1.5 to 2 inches of hair from your head or body is necessary. These tests are suitable for detecting drugs, alcohol/ETG, and custom hair analysis options.
Recently, hair follicle drug examinations have become more prevalent in drug testing methods. Numerous employers, judicial systems, and substance abuse experts are increasingly favoring hair drug analysis over traditional urine tests. This technique benefits employers with zero-tolerance policies, legal entities, and probation requirements. The primary advantage is its extended detection span, observing drug use for up to 90 days, with minimal manipulation risk. Nevertheless, urine tests remain most reliable for detecting recent drug use within a five-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 become recognized as an effective method for identifying substance use, including drugs and alcohol. Hair captures a comprehensive record of alcohol and drug consumption by embedding biomarkers within the fibers of the growing hair shaft. When obtained near the scalp, this method allows for a detection period of up to about three months for drugs and alcohol. Hair is straightforward to collect, somewhat resistant to tampering, and convenient to transport.
A 1.5-inch segment of around 200 hair strands (approximately the thickness of a #2 pencil) nearest to the scalp will provide 100mg of hair, the perfect quantity for both testing and confirmation. For EtG tests, additions, or tests beyond 10 panels, a sample of 150mg is advisable. We suggest using a jeweler's scale to weigh the sample. If scalp hair is not available, a comparable amount of body hair can be used. By head hair, we mean only scalp hair. Body hair refers to all other types, including facial, axillary, etc.
Process Overview
The four primary stages in the laboratory procedure for processing a drug test result are Accessioning, Screening, Extraction, and Confirmation.
During Accessioning, the initial handling of a sample takes place within a laboratory’s framework. This process verifies proper sealing and shipping of the sample, assigns a unique LAN (Laboratory Accessioning Number), and completes any supplementary data entry not available through electronic chain of custody systems.
Screening is a preliminary check for potential drug use. Although Screening is an economical method to discount drug use for most samples, a positive result must be confirmed for legal admissibility. Samples that are tentatively positive necessitate a further confirmation step.
If a sample yields a presumptive positive at the Screening stage, additional hair is taken from the original sample for Extraction. Here, drugs are extracted from hair at a significantly lower concentration compared to other methods (e.g., urine or oral fluid), making hair drug analysis one of the more challenging methodologies.
Confirmation of a positive screening outcome is carried out using GC/MS, GC/MS/MS, or LC/MS/MS techniques. All presumptive positive samples are washed as necessary before confirmation. The full laboratory protocol from Accessioning to Confirmation is evaluated under the CAP (College of American Pathologists) Hair designation and ISO / IEC 17025 accreditation standards.
Advantages of hair drug testing:
Limitations:
Note: Though often termed "hair follicle tests", the assessment examines the hair strand, not the follicle under the skin.
Why Choose Hair Over Urine Tests in Townsend, TN?
Longer Detection Window in Townsend, TN
Reducing Adulteration Risks with Hair Testing in Townsend, TN
Testing Convenience in Townsend, TN
Confidential and Simple Hair Testing in Townsend, TN
Cost-Effective and Rapid Hair Testing in Townsend, TN
Speed and Accuracy of Hair Follicle Tests in Townsend, TN
Employer Assurance through Hair Follicle Testing in Townsend, TN
With its multidisciplinary nature, hair testing brings together researchers, scientists, and experts from various domains to develop innovative techniques, explore new methodologies, and address emerging concerns, responding to the ever-evolving challenges of drug abuse, therapeutic drug monitoring, and environmental exposures to pollutants.
The joint meeting of the Society of Hair Testing (SoHT) and the Italian Group of Forensic Toxicologists (GTFI) was organized in Verona, June 8–10, 2022, and hosted by the Legal Medicine team of the Verona University Hospital, directed by Franco Tagliaro together with Federica Bortolotti and Rossella Gottardo.
It served as a prominent platform for knowledge exchange and collaboration, facilitating groundbreaking advancements in hair testing and analysis. In this special issue of Drug Testing and Analysis, we aim to showcase the remarkable manuscripts presented at this significant event, shedding light on the latest research and highlighting the future directions in this field.
Novel Analytical Techniques: The Verona meeting witnessed the unveiling of cutting-edge analytical techniques, offering enhanced sensitivity, selectivity, and accuracy for drug testing. Remarkable advancements in sample preparation, detection, and identification of drug compounds have been presented. The manuscripts in this section presented novel approaches, such as multianalyte methods and on-line preparation which can enable rapid analysis and improve thorough forensic investigations.
Biomarkers and Pharmacokinetics: The identification and validation of reliable biomarkers and pharmacokinetic studies are fundamental aspects of drug testing and analysis. The impact of hair treatments on the oxidation/decomposition of drugs in hair was also explored, as the long-term fate of drugs incorporated in the keratin matrix. Furthermore, the SoHT meeting in Verona featured research on the identification and quantification of alcohol abuse biomarkers, their stability, and their correlation with exposure and other biomarkers.
Forensic Applications and Interpretation: One of the vital objectives of hair testing is its application in forensic investigations and legal proceedings. The SoHT meeting in Verona emphasized the significance of rigorous interpretation of analytical results and the need for standardized protocols. Manuscripts in this section present advancements in forensic toxicology, and have explored the challenges posed by emerging designer drugs and strategies to combat their proliferation. The pitfalls encountered when the exogenous/endogenous nature of a substance is questioned were presented and discussed. The special issue presents also manuscripts that delve into the ethical implications of drug testing in drug facilitated sexual assaults.
Clinical Applications of hair testing are witnessed by the insight on environmental tobacco smoke exposure, assessed by hair analysis in a population of students and the study of in utero-exposure to drugs of abuse through neonatal hair analysis. Exposure to drugs was also important in cases of child abuse/neglect, when the clinical purpose of hair testing merge with its forensic applications.
The legal framework surrounding hair testing and the achievement of guidelines to ensure fairness, accuracy, and confidentiality in drug testing practices have also been discussed,and the SoHT consensus on general hair testing and testing for drugs of abuse was presented at the meeting and published as a Letter to the Editor.
In conclusion, the special issue of Drug Testing and Analysis, featuring manuscripts from the SoHT–GTFI meeting in Verona 2022, reflects the remarkable advancements achieved in this field. The manuscripts provide valuable insights into novel analytical techniques, biomarkers, pharmacokinetics, forensic applications, and ethical considerations. As we embrace these advancements, we pave the way for a safer, healthier society, where drug testing and analysis serve as powerful tools in protecting public health and maintaining integrity in various sectors. The research presented in this special issue will undoubtedly shape the future of drug testing and analysis, fostering collaboration and inspiring further innovation in this crucial area of scientific inquiry.
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