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With 36 testing centers in the Clovis 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.
Trusted Drug Testing provides comprehensive hair follicle drug assessments in Clovis, California. If you require a hair drug or alcohol evaluation, they specialize in this field, with centers nationwide to perform such tests. For the process, 1.5 to 2 inches of hair from the crown or body is typically needed. These tests can detect drugs, alcohol/ETG, or offer other custom options.
Increasingly, the preference for drug testing has included hair follicle drug assessments over recent years. Many workplaces, judicial systems, and substance abuse experts favor hair drug tests rather than standard urine ones. This method is valuable for employers with no-tolerance policies, legal authorities, and probation programs. Its main advantage is a longer detection window, generally up to 90 days, conducted under supervision, making it extremely hard to falsify results. However, for detecting recent drug use within five days, urine tests remain the most reliable.
Trusted Drug Testing provides comprehensive hair follicle drug assessments in Clovis, California. If you require a hair drug or alcohol evaluation, they specialize in this field, with centers nationwide to perform such tests. For the process, 1.5 to 2 inches of hair from the crown or body is typically needed. These tests can detect drugs, alcohol/ETG, or offer other custom options.
Increasingly, the preference for drug testing has included hair follicle drug assessments over recent years. Many workplaces, judicial systems, and substance abuse experts favor hair drug tests rather than standard urine ones. This method is valuable for employers with no-tolerance policies, legal authorities, and probation programs. Its main advantage is a longer detection window, generally up to 90 days, conducted under supervision, making it extremely hard to falsify results. However, for detecting recent drug use within five days, urine tests remain the most reliable.
* 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 is now regarded as a robust method for identifying substance use. It offers an extensive timeline of drug and alcohol consumption by capturing biomarkers within the strands of developing hair. When procured near the scalp, hair delivers an approximately three-month timeframe for drug and alcohol detection. Hair is straightforward to gather, relatively hard to tamper with, and convenient to transport.
A 1.5-inch sample, roughly 200 hair strands (similar to the width of a #2 pencil), closest to the scalp yields 100mg, which is the optimal quantity for both screening and verification. For EtG, supplementary, and/or tests surpassing 10 panels, 150mg of the sample is advised. It is advisable to measure the sample on a jeweler’s scale. Should scalp hair be inaccessible, an equivalent quantity of body hair can be collected. When discussing head hair, we specifically mean scalp hair. Body hair is inclusive of all other types (facial, axillary, etc.).
Workflow Summary
The primary phases in the lab processing of a test outcome are Accessioning, Screening, Extraction, and Confirmation.
Accessioning incorporates the sample's initial processing into a lab’s system. This process verifies proper sealing and shipping of the sample, allocates a random LAN (Laboratory Accessioning Number), and finalizes any missing data entry not included in an electronic chain of custody system.
Screening involves a preliminary rapid assessment for drugs of misuse. Although Screening offers a cost-effective method to exclude drug use in most samples, a positive result requires verification to be permissible in legal settings. Any samples that result in an indicative positive during Screening necessitate secondary confirmation.
Should a sample result in a presumptive positive during Screening, additional hair is extracted from the initial sample and readied for Extraction. In the Extraction phase, substances are removed from hair at significantly lower levels than other techniques (ex. urine or oral fluid), making hair drug screening the most complex method to execute.
Verification of any positive screening outcome is carried out using GC/MS, GC/MS/MS or LC/MS/MS. All indicative positive samples are cleaned before confirmation as needed. The complete lab procedure from Accessioning to Confirmation is reviewed under both the CAP (College of American Pathologists) Hair designation and the ISO / IEC 17025 standard accreditation.
Benefits of hair drug analysis:
Drawbacks:
Note: Commonly termed "hair follicle tests", this test analyzes the hair strand itself, not the follicle under the skin
In Clovis, CA, hair follicle tests present distinct advantages over traditional urine tests. One key factor is their superior accuracy, often providing more reliable data on drug usage history. Unlike urine tests, which can be manipulated, hair tests offer an assured way of obtaining definite results, making them ideal for organizations upholding strict no-drug-use policies.
The extended detection capability offered by hair follicle tests in Clovis, CA enables a substantial review window of up to 90 days. This extensive period allows a broad examination into an individual's history of substance use, providing employers with the essential data for an informed assessment of current or prospective employees' adherence to drug regulations.
Hair follicle tests in Clovis, CA are known for their tamper-resistant nature, significantly minimizing risks associated with sample manipulation. This ensures the results remain unquestionable and credible, which is crucial for maintaining workplace integrity and compliance with drug-free policies.
Convenient Locations for drug testing services are distributed nationwide, including specific centers in Clovis, CA. This ensures that individuals and businesses have access to quick, uncomplicated, and stress-free testing services, reinforcing their commitment to maintaining a drug-free environment.
The process for hair follicle testing in Clovis, CA is simple and confidential, ensuring that the steps from order through to results remain private and straightforward. This addresses any potential concerns regarding privacy, making it user-friendly for those needing to undertake these important assessments.
Offering affordable pricing and rapid turnaround in Clovis, CA, hair follicle testing provides great value for enterprises of any size. The pricing structures and quick processing of results afford businesses the peace of mind that they can maintain their drug-free standards without discomfort or excessive costs.
Fast and Precise Testing in Clovis, CA offers highly accurate hair follicle drug tests. These tests are renowned for their speed and precision, assuring quick detection of substance misuse. Whether it’s for legal, professional, or personal reasons, hair testing provides results that stakeholders trust for their reliability and swift processing times.
Ensuring compliance and peace of mind for employers in Clovis, CA, hair follicle testing supports adherence to workplace drug-free mandates. This method reduces potential legal challenges and enhances overall safety by providing dependable results that reinforce workplace trust and security.
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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Where do I start?!! ADT is truly the best!! I had the pleasure of speaking with Tori today! She was excellent, professional and truly went above and beyond in her kind, compassionate care and commitment to providing me with the best service possible. I was in such a time crunch, but I was able to call, order the test, pay for it over the phone and get the test I needed within the hour. Not only did this put my mind at ease, they saved my job!! I am forever grateful for this team of hard workers, that care, with such great work ethics! Thank you from the very bottom of my heart!!! If you need a drug, alcohol, etc… screening, this team will be your lifesavers!!
Sarah Patterson - 4/8/2025
I reached out Accredited Drug Testing/Secure Screenings to partner for my drug testing business (Discovery Diagnostics Columbia SC) and the process was extremely easy. I worked with Sicilia who was amazing. She was friendly & knowledgeable, and answer all of my questions with ease.
Kendra Harley - 3/26/2025
They were very fast extremely polite walked you through every detail of the process if you had any questions they had no problems answering
Billy Williams - 2/19/2025