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Accredited Drug Testing provides drug and alcohol testing services at multiple locations throughout your local area.
In search of nearby drug testing services?
Consider Accredited Drug Testing, Inc., recognized as the nation's leading provider in swift drug and alcohol assessments with access to over 20,000 locations across the United States, including Portsmouth, NH. Our services encompass a wide variety of needs, whether you are arranging a DOT-mandated assessment, require a legal mandate fulfillment, are pursuing pre-employment screening, or simply seeking personal testing.
Scheduling with us is straightforward, prompt, and ensures complete privacy. Our network of certified collection sites and laboratories is dedicated to delivering precise and trustworthy outcomes, adhering to both federal and regional compliance guidelines. To arrange a test at a location convenient to you, dial (800) 221-4291 or schedule online any time, day or night. When reliability, adherence to standards, and your peace of mind are paramount, Accredited Drug Testing sets the benchmark by consistently providing timely and dependable results.
Customized Testing Options Available l Discounts available for Bulk Purchases l Onsite Drug Testing Services
Urine Drug Testing remains the predominant method for screening, extensively utilized across the United States, including in Portsmouth, NH. Particularly endorsed for DOT-compliant testing in line with the 49 CFR Part 40, this test detects recent substance intake through the examination of urine samples for drugs, metabolites, or alcohol markers with uniform standards and confidentiality, ensuring the delivery of credible results for employers, personal use, or legal obligations.
Testing Methods & Collection Process
1. Donor Identity Verification
The process commences with the donor presenting valid government identification and fulfilling the necessary chain-of-custody documentation before initiating the test.
2. Secure Collection Environment
Collection of urine samples occurs in a controlled restroom setting to eliminate the risk of tampering, with personal items and water source access typically restricted, including dyed toilet water to avert adulteration.
3. Chain of Custody Documentation
The sample's journey is documented with a Chain of Custody Form (CCF), a federally recognized instrument that fortifies the integrity and defensibility of the entire testing process from collection through to laboratory analysis.
4. Temperature & Validity Checks
To ensure authenticity, the sample's temperature and appearance are checked immediately after collection. The lab further confirms validity through evaluations like creatinine levels, pH, specific gravity, and adulterant tests.
5. DOT Split Specimen
For DOT assessments, each urine sample is bifurcated into two vials: Bottle A undergoes initial testing, while Bottle B is available for further analysis if there is any dispute over the results. Non-DOT procedures typically collect a singular vial.
6. Laboratory Screening & Confirmation
7. MRO Verification
A certified Medical Review Officer (MRO) appraises non-negative results, validating their accuracy and consulting with the donor regarding potential medical justifications prior to the release of final results.
Extra time may be required for scenarios involving shy bladders, invalid samples, or necessitated confirmations, whether lab-based or via donor contact.
Limitations of Urine Drug & Alcohol Testing
Despite its constraints, urine testing retains preeminence as the pragmatic, prevalent method for conducting comprehensive substance screenings across the nation.
Hair drug and alcohol testing presents a superior method for assessing sustained substance use patterns. While urine tests capture recent consumption, hair testing extends a 90-day observation window by investigating drug metabolites entrenched in the hair's makeup. This makes hair testing particularly suited for workplace mandates, legal inquiries, guardianship assessments, and other circumstances demanding a comprehensive view of an individual's substance usage over an extended period in places like Portsmouth, NH.
Donors must supply valid identification with chain-of-custody forms completed to validate documentation before proceeding.
A collector acquires a minor hair sample, about 100-120 strands, closest to the scalp. This normally involves the head's crown, although alternative sources like body hair can be used if necessary. The process, though observed, is quick and painless.
The Hair Drug Test Custody and Control Form chronicles the collection, sealing, and transport of the hair sample to assure legal and result protection.
At labs, the hair sample undergoes forensic stages:
The sample then meets rigorous lab scrutiny:
During hair growth, drug metabolites are encased, providing enduring substance use records. This internal embedding means adulteration or manipulation is exceptionally challenging.
An MRO evaluates non-negative findings for precision, examines medical justifications, and finalizes official outcomes.
Despite an extended turnaround time when juxtaposed with urine tests, hair testing yields unmatched detection reliability.
Despite certain constraints, hair testing offers longevity and precision, becoming a trusted method for professionals, legal analysts, and individuals in search of consistent, tamper-proof results.
In Portsmouth, NH, 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.
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
Torin was great. Explained everything so no questions
Tony Lombardo - 4/18/2025
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
Dealing with allegation’s of drug use that completely false is stressful, ADT was able to get me the best tests, going back the farthest in the same day with as little hassle as possible, I spoke with 1 person and wasn’t transferred once, and they took my payment, and got me my work order for a clinic as close as possible for the service I needed. 5*
Christopher Hansis - 12/19/2024
Initially Torrie helped me but I needed to call back. When I called back Kayla stepped in and finished my order. Both were extremely pleasant over the phone and provided wonderful customer service. Kudos to them!
Brynne Beverly - 4/19/2024
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