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Accredited Drug Testing offers comprehensive hair strand drug testing services in Powell, Tennessee. If you're in need of a drug or alcohol assessment via hair, look no further. We are experts in such tests and maintain facilities across the country that handle hair analyses. Generally, 1.5 to 2 inches of hair from the scalp or body can be examined. Hair tests can check for drugs, alcohol/ETG, or offer other bespoke testing options.
In recent times, the hair follicle method has increasingly been chosen for drug evaluations. Employers, the justice system, and Substance Abuse specialists prefer it over traditional urine tests. Hair tests are favored by those upholding a strict no-drug policy, legal courts, and individuals under probation. The key virtue is its extended detection span for drug activities, typically up to 90 days, monitored during an observed collection, making it very hard to deceive. Nevertheless, for recent substance use in the past 5 days, urine tests remain the most precise.
Accredited Drug Testing offers comprehensive hair strand drug testing services in Powell, Tennessee. If you're in need of a drug or alcohol assessment via hair, look no further. We are experts in such tests and maintain facilities across the country that handle hair analyses. Generally, 1.5 to 2 inches of hair from the scalp or body can be examined. Hair tests can check for drugs, alcohol/ETG, or offer other bespoke testing options.
In recent times, the hair follicle method has increasingly been chosen for drug evaluations. Employers, the justice system, and Substance Abuse specialists prefer it over traditional urine tests. Hair tests are favored by those upholding a strict no-drug policy, legal courts, and individuals under probation. The key virtue is its extended detection span for drug activities, typically up to 90 days, monitored during an observed collection, making it very hard to deceive. Nevertheless, for recent substance use in the past 5 days, urine tests remain the most precise.
* 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.
The evaluation of drugs and alcohol through hair sampling is increasingly recognized as an effective approach. Hair preserves a comprehensive record of substance use by embedding biomarkers within the hair fibers. When hair is cut close to the scalp, it can offer an approximate detection span of three months for alcohol and drugs. The hair collection process is straightforward, presents challenges for tampering, and facilitates easy transportation.
A 1.5-inch segment of around 200 hair strands (approximating the circumference of a #2 pencil) closest to the scalp provides 100mg of hair, essential for screening and confirmatory analysis. For EtG, additional tests, or panels exceeding 10, a specimen of 150mg is preferred. Measuring the specimen with a jeweler's scale is advised. If scalp hair is inaccessible, an equivalent quantity of body hair may be used. The term head hair refers exclusively to scalp hair, while body hair includes all other types (e.g., facial, axillary).
Process Overview
The laboratory processing for a drug test includes Accessioning, Screening, Extraction, and Confirmation.
During Accessioning, the sample undergoes an initial processing stage in the laboratory system. This step verifies the proper sealing and shipping of the sample, assigns a random LAN (Laboratory Accessioning Number), and completes any data entry missing from the electronic chain of custody system.
Screening entails a preliminary examination for drug presence. While efficient in ruling out drug use for the majority, any positive outcome from Screening necessitates confirmation before being considered acceptable for legal purposes. Samples that yield a presumptive positive in Screening require further confirmation.
If a presumptive positive is detected in Screening, additional hair is extracted from the initial sample for the Extraction phase. Here, drugs are isolated from hair at much lower concentrations compared to other methods (e.g., urine or oral fluid), highlighting why hair drug testing is the most complex to execute.
Confirmation of positive results is performed using GC/MS, GC/MS/MS, or LC/MS/MS methods. Presumptive positive samples undergo necessary washing before confirmation. The entire laboratory process, from Accessioning through Confirmation, is conducted under both the CAP (College of American Pathologists) Hair designation and follows the accreditation of ISO / IEC 17025 standards.
Advantages of hair drug testing:
Limitations:
Note: Although commonly called "hair follicle tests", the assessment targets the hair strand rather than the follicle beneath the scalp
In Powell, TN, hair follicle testing offers several advantages over urine tests. Hair testing boasts superior accuracy and longer detection windows, making them ideal for identifying substance use over months. This method's reliability is unmatched, providing an efficient and foolproof approach to accurately discerning past drug use without the drawbacks of traditional urine tests.
With the ability to spot drug use over a span of up to 90 days, hair follicle tests in Powell, TN, offer employers a more comprehensive insight into an applicant's or employee's past substance usage. This expanded detection period provides valuable information for making informed hiring decisions, ensuring a dependable workforce committed to workplace safety and policy adherence.
Hair follicle testing in Powell, TN, is a tamper-resistant method, significantly lowering the possibility of sample adulteration. This provides unwavering confidence in test outcomes, ensuring they are both legitimate and conclusive, and thus offering a dependable choice for entities demanding unbiased substance usage evaluations.
Testing services across Powell, TN, are made simple and accessible thanks to our convenient nationwide and local testing centers. This network guarantees quick, hassle-free access to drug screening, making it effortless for individuals and organizations to meet their testing needs with ease and efficiency.
The hair follicle testing process in Powell, TN, is straightforward and confidential. From ordering to obtaining results, the process prioritizes ease of use and privacy, addressing any privacy concerns effortlessly while ensuring that clients experience a smooth testing experience from start to finish.
Our hair follicle testing in Powell, TN, is characterized by affordable pricing and rapid turnaround times. This ensures companies of all sizes receive exceptional value, balancing cost-effectiveness with the assurance of fast, reliable results that reinforce trust in our testing services.
Known for its precision, hair follicle testing provides quick and accurate substance detection in Powell, TN. This method reliably identifies drugs, offering high accuracy rates that set it apart from many traditional testing forms. By serving results swiftly, it reaffirms its efficiency and dependability in delivering credible outcomes for assessment purposes.
By utilizing hair follicle tests in Powell, TN, companies can ensure compliance with drug-free workplace mandates, mitigating legal liabilities while promoting safety. This commitment to thorough screening processes fosters a secure and productive environment, offering employers peace of mind as they uphold the highest standards of operation.
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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Sophia Schutze - 6/19/2024
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