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Accredited Drug Testing provides drug and alcohol testing services at multiple locations throughout your local area.
Searching for drug testing nearby? Opt for the preeminent choice in nationwide testing services Accredited Drug Testing, Inc.. This esteemed provider caters to the urgent need for same-day drug and alcohol testing, boasting an extensive network of over 20,000 locations across the U.S., including Chapel Hill, NC. Whether required for DOT compliance, judicial mandates, employment screening, or personal inquiries, scheduling is seamlessly expedited while ensuring discretion. With robust, certified collection venues and advanced laboratories, we guarantee results that uphold both federal and state regulations. To book an appointment at a nearby center, easily connect with us by dialing (800) 221-4291, or schedule online anytime. When precision, compliance, and reassurance are paramount, trust Accredited Drug Testing to consistently provide on-time, dependable outcomes.
Customized Testing Options Available l Discounts available for Bulk Purchases l Onsite Drug Testing Services
In the realm of drug screenings, urine testing is the dominant method across the U.S., and notably the lone technique sanctioned for DOT-regulated drug examinations per 49 CFR Part 40. This procedure identifies recent drug intake by scrutinizing a urine sample for drugs and their metabolites, as well as alcohol biomarkers. Ensuring consistency, privacy, and legal defensibility, this testing serves employers, individuals, and court-directed programs expertly, including services available in Chapel Hill, NC.
Testing Techniques & Collection Workflow
1. Donor Verification
Donors must present a sanctioned government ID and finalize requisite chain-of-custody forms preceding the test commencement.
2. Controlled Collection Ambiance
Urine is collected in a secure restroom to thwart tampering attempts, employing measures such as personal item restrictions, secured water sources, and dyed toilet water for standard security.
3. Documented Chain of Custody
The sample's collection and laboratory transit are recorded via a sanctioned Chain of Custody Form (CCF), upholding the test's validity and legal defensibility.
4. Assessment of Temperature & Authenticity
Post-collection, the urine undergoes a temperature and attribute check, followed by validity assays at the laboratory, analyzing creatinine levels, pH, specific gravity, and potential tampering indicators.
5. DOT Split Sample Protocol
DOT urine samples are bifurcated into Bottle A for initial testing, and Bottle B reserved for retests contested by donors. Non-DOT tests involve a singular vial collection.
6. Laboratory Examination & Confirmation
Certified SAMHSA labs employ a dual-step testing regimen:
7. MRO Certification
A certified Medical Review Officer reviews, validates, and dialogues with donors on non-negative results, endorsing the final outcomes post-verification.
Additional time may be required in cases of shy bladder, invalid samples, or when lab confirmation or donor interaction is necessitated.
Constraints of Urine Drug & Alcohol Testing
Despite its limitations, urine testing continues to be the most feasible and widely embraced form for drug and alcohol surveillance nationwide.
In Chapel Hill, NC and beyond, hair drug and alcohol testing serves as a highly consistent laboratory method to reveal long-term substance use patterns. Unlike urine testing focused on recent intoxication, hair testing provides a 90-day insight by assessing drug metabolites embedded within the hair strands. This method is especially beneficial for workplace screening, legal inquiries, child custody cases, and any context demanding a comprehensive view of a person's substance use antecedents.
Testing Methods & Collection Process
1. Donor Identity Verification
The process initiates with the donor showing a valid government ID, followed by the completion of consent and chain-of-custody documents to affirm authentic documentation.
2. Hair Collection Procedure
At collection, a trained professional acquires a minor hair sample, typically comprising 100-120 strands near the scalp. Should scalp hair be unavailable, body hair is an alternative. This immediate, painless procedure occurs under direct oversight.
3. Chain of Custody Documentation
Documentation with a Hair Drug Test Custody and Control Form logs the specimen's acquisition, sealing, and transfer to uphold legality and protect the results during testing.
4. Laboratory Preparation & Analysis
Upon reaching the lab, the hair specimen undergoes comprehensive forensic processes, including:
Following extraction, samples undergo detailed lab testing:
5. Metabolite Detection
Metabolites, trapped within the hair as it grows, offer a stable, enduring record of substance use. Given these internal incorporations, falsifying results or cheating is extremely arduous.
6. MRO Review
Certified Medical Review Officers evaluate non-negative outcomes, confirming test accuracy and scrutinizing possible medical explanations before finalizing the conclusive results.
How Long Do Hair Test Results Take?
Hair testing's multi-layered lab process implies a marginally extended turnaround than urine testing, yet ensures unparalleled detection constancy.
Limitations of Hair Drug & Alcohol Testing
Regardless of these limitations, hair testing remains a notable method for verifying long-term substance use, leveraged broadly by employers, legal authorities, and individuals seeking credible, tamper-resistant findings.
In Chapel Hill, NC, Accredited Drug Testing delivers an extensive array of drug and alcohol testing solutions tailored for workplace, legal, transportation, and personal contexts. Accurate testing ensures compliance with various laws. We utilize certified labs for valid results customary across the state:
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.
Accredited has been wonderful to work with! My court ordered tests are on a very strange schedule but every time I call, they are quick to schedule me and are always able to find a location that works for where I’m at and when! Thank you for making this rather undesirable situation less stressful and efficient.
Madison Sanderford - 8/19/2024
The visit here is always the best . The place is always really clean. The employees are super courteous, very polite, and professional. This is the only drug lab I like to go do my drug and alcohol test. I would like to tell them thank you so much for thier excellent performance and job
Eli Gonzalez - 1/4/2025
It was easy to make the arrangements to get to someone in regards to renewing my DOT medical certificate. They took care of everything over the phone which made my experience hassle free. I will definitely be using them again and you should too.
Jim Raymond - 10/18/2024
Everything was great, the staff was very polite. Thank you.
Olga Petrova - 9/19/2024
Fast,easy and efficient. They made the whole process stress free and simple. Thanks 😊
Micheal Ankenbrandt - 2/19/2025
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