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Accredited Drug Testing provides drug and alcohol testing services at multiple locations throughout your local area.
Customized Testing Options Available l Discounts available for Bulk Purchases l Onsite Drug Testing Services
In La Vergne, TN and beyond, urine drug testing stands out as the predominant method for detecting illicit substance use. It's recognized as the sole testing method approved for DOT-regulated drug assessments under 49 CFR Part 40, making it indispensable for safety-sensitive roles. This testing involves analyzing a urine sample to uncover drugs, drug metabolites, or alcohol markers, offering a proven approach for employers, individuals, and legal mandates. The entire process ensures confidentiality while providing results that are both prompt and defensively lawful, adapting to the needs of diverse stakeholders.
Testing Methods & Collection Process
Constraints of Urine Drug & Alcohol Testing
Despite such constraints, urine testing maintains its status as a preferred choice for drug and alcohol evaluation on a national scale, including throughout La Vergne, TN, owing to its practicality and effectiveness.
Hair drug and alcohol testing is esteemed for its capacity to depict substance use over the long haul. Unlike urine tests, which cover recent substance absorption, hair tests offer a 90-day detection timeframe by examining embedded metabolites within the hair shaft. This makes hair analysis especially suitable for workplaces, judicial instances, child custody, and any scenario necessitating a prolonged assessment of an individual's substance history.
Testing Methods & Collection Process
1. Donor Identity Verification
Prior to collection, donors present a valid ID, verifying their identity and completing chain-of-custody protocols to maintain proper documentation in La Vergne, TN.
2. Hair Collection Procedure
A trained collector retrieves a small hair sample, typically 100-120 strands, cut near the scalp for accuracy. In the absence of head hair, body hair may be used. The method is efficient, pain-free, and observed directly to ensure integrity.
3. Chain of Custody Documentation
A Hair Drug Test Custody and Control Form completes the documentation, guaranteeing result reliability and legal defensibility.
4. Laboratory Preparation & Analysis
The lab prepares hair through these steps:
The hair undergoes sensitive laboratory procedures:
5. Metabolite Detection
Drug metabolites trapped in the evolving hair offer an enduring record of usage. Due to internal incorporation, hair testing is challenging to adulterate.
6. MRO Review
Results are reviewed by a certified Medical Review Officer to verify accuracy, consider medical clarifications, and provide a final outcome.
How Long Do Hair Test Results Take?
As hair testing requires comprehensive lab work, its turnaround exceeds that of urine tests, but its results remain consistently dependable.
Limitations of Hair Drug & Alcohol Testing
Notwithstanding possible limitations, hair testing continues as a crucial strategy for prolonged drug use identification employed in La Vergne, TN.
In La Vergne, TN, Accredited Drug Testing, Inc. provides a variety of alcohol and drug screening options tailored for various needs whether for employers, DOT, legal obligations, or personal purposes. Each testing method guarantees exceptional accuracy and unwavering compliance with national and state regulations, thanks to our expansive network, accredited laboratories, and expert oversight with Medical Review Officers.
With our informed guidance, qualified laboratory practices, and prompt scheduling services, testing with Accredited Drug Testing in La Vergne, TN fulfills clarity, maintains clarity, and supports compliance, allowing individuals and businesses to remain in full regulatory accord.
Accredited Drug Testing provides nationwide drug and alcohol screening solutions, including urine, hair, EtG, PEth, and breath alcohol testing. Backed by SAMHSA-certified laboratories, DOT 49 CFR Part 40 compliance, and scientifically validated testing technology, our services ensure accurate, defensible, and confidential results for employers, courts, and individuals.
Urine tests detect recent use and are the only option approved for DOT testing under 49 CFR Part 40. Hair tests provide a 90-day detection window per the Society of Hair Testing (SoHT). Alcohol testing options, EtG, breath, blood, or PEth. These tests can identify recent use, impairment, or long-term drinking behavior depending on the method.
Urine: 24 - 48 hrs for negatives (SAMHSA guidelines).
Hair: 2 - 5 business days due to multi-step forensic processing (SoHT).
Breath Alcohol: Immediate results using NHTSA-approved EBT devices.
PEth: 3 - 5 days based on forensic toxicology studies.
Lab confirmation using GC/MS or LC/MS is the gold standard per SAMHSA & DOT.
Hair testing is highly tamper-resistant (SoHT).
PEth is considered the most reliable marker of repeated drinking (Journal of Analytical Toxicology).
No. DOT-regulated urine tests require validity checks and chain-of-custody documentation (49 CFR Part 40). Hair tests undergo decontamination and metabolite extraction (SoHT), making them extremely difficult to adulterate.
EtG urine detects alcohol for up to 80 hours (NIH/SAMHSA studies). EtG hair detects chronic alcohol consumption for up to 90 days (SoHT alcohol guidelines).
5 Panel DOT:49 CFR Part 40. Expanded non-DOT panels add benzodiazepines, barbiturates, methadone, oxycodone, MDMA, fentanyl, and more (SAMHSA forensic panel standards).
PEth blood testing identifies long-term and heavy alcohol use for 2 - 4 weeks. Used in child custody, treatment monitoring, and professional compliance programs (CDC & Journal of Analytical Toxicology).
Hair testing does not detect drug use within the past 5 - 7 days. It identifies long-term or repetitive use patterns per SoHT standards.
Yes. Results follow strict chain-of-custody procedures, DOT/SAMHSA requirements, GC/MS or LC/MS confirmation, and MRO review; making them acceptable in court, DOT, and legal settings.
Yes. Accredited Drug Testing offers same-day appointments at 20,000+ locations nationwide, instant testing options, and onsite employer testing with bulk discounts.
Very professional and very quick service to schedule appointments! I am pleased with the services and would definitely recommend using them for any drug testing needs!
Carrie Feerick - 4/19/2025
I needed a quick drug test for visitation with my children. I called at 6am they answered and set me up with a place a couple miles from my house to go get the test done, that was on Wednesday, I had the results on Friday afternoon and was able to see my kids on Saturday. Thank you for the help!
Mark Broadhead - 2/12/2025
Super easy to schedule and get what you need, weather for a job, personal, or court ordered! I believe I spoke with Justine who was helpful in answering all my questions and stayed on the phone with me until she was sure I was all set and got the emails I needed.
Mandy Ryan - 12/14/2024
Called around for hours and posted from company to person and got nowhere and had to fight to get a refund die to there miss information, well save time and sanity Acredited is the ONLY place the person was kind and very helpful, said what I needed and Faith the lady I dealt with made it simple and she did above and beyond everything I needed, as I'm going through a devorse this was a great help and made my day 100 stars from me.
Steven Harrison - 12/19/2024
Excellent service! Trish went above and beyond to find me a testing site as close to my home as possible. Results were faster than expected, as well. Thanks for your help, Trish and Accredited!
Es Hache - 4/13/2025
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