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With 32 testing centers in the Clontarf area, we offer drug and alcohol testing for employment, probation and DOT requirements. Additional services include DOT consortium enrollment, DNA Testing and background checks. Order your tests and services online or call (800) 221-4291.
Accredited Drug Testing offers extensive hair follicle drug assessments in Clontarf, Minnesota. If you're in need of a hair-based drug or alcohol analysis, our company is a specialist in this testing method and provides centers throughout all major cities across the country prepared to administer such tests. Typically, 1.5 to 2 inches of hair from the crown or body is required. Hair tests can detect drugs, alcohol/ETG, or be customized for specific testing requirements.
Lately, the approach to drug screening increasingly involves hair follicle assessments. More employers, judicial systems, and substance abuse specialists now opt for hair drug tests over standard urine tests. Organizations with zero-tolerance drug policies, courts, and probationers are among those utilizing hair follicle tests. A major advantage of these tests is their extended detection window for drug use—up to 90 days—coupled with an observable sample collection process, making cheating nearly impossible. However, for drug use within the last five days, urine testing remains the most accurate.
Accredited Drug Testing offers extensive hair follicle drug assessments in Clontarf, Minnesota. If you're in need of a hair-based drug or alcohol analysis, our company is a specialist in this testing method and provides centers throughout all major cities across the country prepared to administer such tests. Typically, 1.5 to 2 inches of hair from the crown or body is required. Hair tests can detect drugs, alcohol/ETG, or be customized for specific testing requirements.
Lately, the approach to drug screening increasingly involves hair follicle assessments. More employers, judicial systems, and substance abuse specialists now opt for hair drug tests over standard urine tests. Organizations with zero-tolerance drug policies, courts, and probationers are among those utilizing hair follicle tests. A major advantage of these tests is their extended detection window for drug use—up to 90 days—coupled with an observable sample collection process, making cheating nearly impossible. However, for drug use within the last five days, urine testing remains the most accurate.
* 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 assessment of hair is now recognized as an influential method in identifying drug and alcohol consumption. Hair retains a long-term record of alcohol and other drug intake by embedding biomarkers within the fibers of the growing hair shaft. When a sample is taken close to the scalp, it can offer a detection period for drugs and alcohol extending up to roughly three months. Hair collection is straightforward, not easily tampered with, and convenient to transport.
A 1.5-inch snippet consisting of about 200 hair strands (approximating the thickness of a #2 pencil) near the scalp provides 100mg of hair, which is the optimal sample for both screening and confirmation. For EtG, extras, and/or evaluations beyond 10 panels, 150mg of the sample is suggested. It's recommended to measure the sample on a jeweler’s scale. If scalp hair is not available, an equivalent quantity of body hair can be collected. When we speak of head hair, we're specifically talking about scalp hair. Body hair includes all other types of hair (such as facial, axillary, etc.).
Process Overview
The key phases in the lab processing of a drug test outcome are Accessioning, Screening, Extraction, and Confirmation.
Accessioning pertains to the initial handling of a sample as it enters a lab's system. This encompasses ensuring the sample’s proper sealing and dispatch, assigning a random LAN (Laboratory Accessioning Number), and executing any additional data input not procured through an electronic chain of custody system.
Screening delivers a preliminary evaluation for substances of abuse. Though it’s a cost-efficient method to dismiss drug usage in most samples, a positive screening must be verified to be valid legally. Any samples that produce a presumptive positive in Screening are subject to a follow-up confirmation.
If the Screening phase yields a presumptive positive, additional hair is extracted from the primary specimen and readied for Extraction. During this phase, drugs are retrieved from hair at much lower concentrations compared to other approaches (e.g., urine or oral fluid), highlighting the intricacy of hair drug screening compared to other methodologies.
Positive findings from the initial Screening are validated through GC/MS, GC/MS/MS, or LC/MS/MS. Every presumptive positive sample undergoes a wash before confirmation as deemed necessary. The complete lab procedure from Accessioning through Confirmation is meticulously reviewed under CAP (College of American Pathologists) Hair standards and adheres to ISO / IEC 17025 accreditation.
Advantages of hair drug testing:
Limitations:
Note: Although often termed as "hair follicle tests", the analysis focuses on the hair strand and not the follicle beneath the scalp.
Hair follicle testing in Clontarf, MN, provides several advantages over traditional urine tests.
Longer Detection Period
An extended detection window of up to 90 days is a hallmark of hair follicle testing in Clontarf, MN.
Comprehensive Substance History
The hair follicle drug test method in Clontarf, MN, drastically reduces tampering risks.
Secure and Reliable
Nationwide and local testing locations in Clontarf, MN, offer unparalleled convenience.
Easy Accessibility
The process for hair follicle drug testing in Clontarf, MN, is both simple and confidential.
User-Friendly
Clontarf, MN, offers affordable pricing and fast turnaround times for hair follicle tests.
Value and Prompt Results
The hair follicle drug test in Clontarf, MN, offers fast and reliable results. Its high accuracy in detecting substance use stands out, ensuring precise and rapid outcomes.
Precision is Key
Employers in Clontarf, MN, gain peace of mind with hair follicle tests ensuring policy compliance.
Workplace Safety
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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Great experience and great lab. Customer service agent was very helpful.
Jenna Bee - 2/19/2025
I always have a good experience setting up company driver drug screens through ADT. I'm really happy I found them while searching online, they have made my job much easier.
Exodus Heath - 2/13/2025
This is by far the easiest way to get my lab work ordered and paid for. The phone calls are short and to the point. They don’t try to push extra sales on you and when I walk in to the clinic I simply show my donor pass and with in a matter of minutes I’m done. I will continue to use ADT in the future.
Jason Jackson - 7/19/2025