Drug & Alcohol Testing Near Me - Norwalk, CT

Accredited Drug Testing provides drug and alcohol testing services at multiple locations throughout your local area.  

Employment, DOT, Court Ordered, Personal
Urine | Hair Follicle | Oral Fluid | Blood | ETG

33 Drug-Testing Centers in Norwalk

Minutes Away, Test Today

346 Main Ave Ste B1.84 miles

346 Main Ave Ste B
Norwalk, CT 6851

346 Main Ave1.84 miles

346 Main Ave
Norwalk, CT 6851

607 Main Ave2.90 miles

607 Main Ave
Norwalk, CT 6851

484 Post Rd3.59 miles

484 Post Rd
Darien, CT 6820

557 Post Rd,3.77 miles

557 Post Rd,
Darien, CT 6820

1290 Summer St Unit 51007.98 miles

1290 Summer St Unit 5100
Stamford, CT 6902

3000 Summer St8.04 miles

3000 Summer St
Stamford, CT 6905

80 Mill River Street,8.40 miles

80 Mill River Street,
Stamford, CT 6902

15 Commerce Rd Fl 39.33 miles

15 Commerce Rd Fl 3
Stamford, CT 6902

1918 Black Rock Turnpike9.38 miles

1918 Black Rock Turnpike
Fairfield, CT 6825

501 Kings Hwy E, Ste 10310.09 miles

501 Kings Hwy E, Ste 103
Fairfield, CT 6825

22 Beech Hill Ln Po Box 100011.17 miles

22 Beech Hill Ln Po Box 1000
Pound Ridge, NY 10576

4750 Main St12.33 miles

4750 Main St
Bridgeport, CT 6606

10 South St Ste 10112.77 miles

10 South St Ste 101
Ridgefield, CT 6877

161 Boston Ave12.87 miles

161 Boston Ave
Bridgeport, CT 6610

226 Mill Hill Ave13.57 miles

226 Mill Hill Ave
Bridgeport, CT 6610

60 Watson Blvd13.59 miles

60 Watson Blvd
Stratford, CT 6615

555 Lordship Blvd Fl 1,13.88 miles

555 Lordship Blvd Fl 1,
Stratford, CT 6615

161 High Park Ave Po Box 75114.82 miles

161 High Park Ave Po Box 751
Stratford, CT 6615

1040 Barnum Ave15.34 miles

1040 Barnum Ave
Stratford, CT 6614

388 Main St15.86 miles

388 Main St
Monroe, CT 6468

320 Laurel Rd16.01 miles

320 Laurel Rd
Northport, NY 11768

6 Rye Ridge Plaza,16.36 miles

6 Rye Ridge Plaza,
Rye Brook, NY 10573

175 E Main Street Suite 105,16.39 miles

175 E Main Street Suite 105,
Huntington, NY 11743

103 S Bedford Rd Ste 20217.15 miles

103 S Bedford Rd Ste 202
Mount Kisco, NY 10549

83 South Bedford Road, Floor 317.19 miles

83 South Bedford Road, Floor 3
Mt. Kisco, NY 10549

887 Bridgeport Ave17.35 miles

887 Bridgeport Ave
Shelton, CT 6484

495 E Main St17.36 miles

495 E Main St
Mount Kisco, NY 10549

2 Trap Falls Rd Ste 10517.45 miles

2 Trap Falls Rd Ste 105
Shelton, CT 6484

100 Commerce Dr17.95 miles

100 Commerce Dr
Shelton, CT 6484

4 Corporate Dr, Ste 18518.10 miles

4 Corporate Dr, Ste 185
Shelton, CT 6484

16 Apollo Rd18.58 miles

16 Apollo Rd
Bethel, CT 6801

232 Boston Post Rd18.59 miles

232 Boston Post Rd
Milford, CT 6460

Drug Testing Near Me

Searching for drug testing locations near you in Norwalk, CT? Accredited Drug Testing, Inc. stands as a leading authority in immediate drug and alcohol testing services, featuring an expansive network of over 20,000 centers nationwide. Whether your needs involve a DOT-compliant test, legal-mandated screening, pre-hire evaluations, or even personal testing, our processes assure swift, seamless, and discreet scheduling options. Our certified facilities ensure dependable and preciseness in outcomes, aligning with both federal and Norwalk, CT-specific compliance requirements. By calling (800) 221-4291 or opting for our online 24/7 scheduling portal, you can promptly locate a drug testing center in your vicinity. For instances where safety, adherence to regulations, and peace of mind are priorities, Accredited Drug Testing is committed to timely and reliable result delivery.

Drug and Alcohol Testing Options

Urine Drug Testing Available Panels
5 Panel Drug Test (DOT/NON DOT)
5 Panel + Alcohol Drug Test
5 Panel + ETG Alcohol Drug Test
10 Panel Drug Test
10 Panel + ETG Alcohol Drug Test
12 Panel Drug Test
Hair Drug Testing Available Panels
5 Panel Hair Drug Test
5 Panel + ETG Hair Drug Test
10 Panel Hair Drug Test
12 Panel Hair Drug Test
14 Panel Hair Drug Test
16 Panel Hair Drug Test
Alcohol Drug Testing Available Panels
Alcohol Urine Drug Test
ETG Alcohol Test (Urine)
Breath Alcohol Test
Blood Alcohol Test
Peth Alcohol Blood Test
ETG Alcohol Test (Hair)

Customized Testing Options Available l Discounts available for Bulk Purchases l Onsite Drug Testing Services

How Urine Drug Testing Works

In Norwalk, CT 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

  • Identity Verification: The individual undergoing the test presents a valid government identification to ensure authenticity, initiating a proper chain-of-custody procedure.
  • Controlled Collection Environment: Urine samples are gathered in a controlled setting that prevents any tampering, with measures including restricted personal items, secured water sources, and dyed toilet water.
  • Chain of Custody Documentation: From collection to lab analysis, a Chain of Custody Form (CCF) ensures the sample's security and legal defensibility.
  • Validity Checks: The specimen's temperature and appearance are promptly checked post-collection, with the lab conducting further tests for creatinine levels, pH, specific gravity, and any potential adulterants.
  • Split Specimen Method: For DOT purposes, tests use a split specimen approach, dividing the sample into two vials one for initial analysis and the other reserved for retesting upon contention of the first result.
  • Lab Analysis: SAMHSA-certified laboratories deploy a two-pronged testing technique starting with an immunoassay screen to categorize drug classes followed by GC/MS or LC/MS confirmations to detail specific substances.
  • Medical Review Officer (MRO) Process: In cases of non-negative outcomes, an MRO ensures the accuracy and evaluates potential medical justifications prior to result finalization.

Projected Result Turnaround for Urine Tests:

  • Instant Urine Test: Negative results available the same day. Positives proceed to lab confirmation within 24-72 hours.
  • Lab-Based Urine Examination: Generally, negative results are available within 24-48 hours.
  • DOT Drug Test: Results span 1-3 business days, influenced by MRO evaluations and donor communication.
  • EtG Alcohol Test: Outcomes typically take 24-48 hours.
  • Conditions may vary slightly based on individual testing scenarios such as shy bladder, invalid specimens, or necessary lab validations.

Advantages of Urine Drug & Alcohol Testing

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 Norwalk, CT, owing to its practicality and effectiveness.

How Hair Drug Testing Works

Hair drug and alcohol testing is regarded as a highly reliable laboratory mechanism for identifying enduring substance use trends. In contrast with urine tests, this approach captures a 90-day detection period by decoding drug metabolites trapped within the hair shaft, proving ideal for work settings, legal scenarios, or any case requiring an extended view of substance history, including for Norwalk, CT residents.

  • Donor Identity Verification: The individual must provide a government ID with signatures upholding the chain of custody before sample collection.
  • Hair Collection Method: Up to 120 hair strands are snipped near the scalp's crown; body hair serves as an alternative if head hair is unavailable.
  • Chain of Custody: Completed documentation guarantees specimen protection and legal validation through process steps.
  • Lab Preparation and Analysis: The sample goes through decontamination, cutting or grinding for extraction, and the testing via immunoassay and confirmation with GC/MS or LC/MS.
  • Metabolite Detection: Metabolites trapped in hair structure provide a lasting documentation of use behavior, resistant to tampering.
  • MRO Review: Each test is examined by a certified Medical Review Officer to affirm results and provide legitimate outcomes.

Hair Test Timelines

Typically, standard hair tests deliver results in 2-3 business days post-lab arrival, whereas more complex panels may require 3-5 business days.

Although hair testing has slightly longer processing times compared to urine tests, it provides unparalleled detection stability and is used extensively by businesses and legal professionals.

Benefits of Hair Drug & Alcohol Testing

Limitations of Hair Testing

Despite these constraints, hair analysis delivers one of the most reliable means for monitoring extended drug or alcohol histories in various applications.

Alcohol & Drug Testing-How Each Method Works

Accredited Drug Testing offers an extensive array of alcohol and drug testing choices, crafted for compliance across employer, DOT, legal, and personal testing requisites, inclusive of facilities in Norwalk, CT. Familiarity with each methodology ensures precise option selection, credible results, and adherence to both federal and state regulations. Our expansive national framework, accredited laboratories, alongside experienced Medical Review Officers provide the exactitude, reliability, and professionalism indispensable for trustworthy testing determinations.

Alcohol Urine Drug Analysis

An alcohol urine analysis discerns recent alcohol intake by pinpointing ethanol metabolites within urine samples. Widely recognized for workplace assessments, legal requirements, and post-incident evaluations, even in Norwalk, CT, this method neither measures current impairment nor extends a long detection scope, nevertheless provides an instantaneous, cost-efficient screening solution.

ETG Alcohol Evaluation (Urine)

The EtG (Ethyl Glucuronide) urine assessment is an acute sensing technique capable of detecting alcohol use as long as 80 hours post-consumption. With EtG emerging as a direct ethanol metabolite, this test is prominently utilized by courts, rehabilitation endeavors, and compliance oversight frameworks, delivering an extended detection span compared to conventional urine-based alcohol evaluations, praised for its reliability and accuracy.

Breath Alcohol Assessment

An alcohol breath analysis determines ongoing impairment levels through the assessment of breath alcohol concentration. Administered using DOT-certified breath alcohol determination devices (EBTs), they yield prompt, legally sustainable outcomes. Breath analysis is mandated for DOT-covered workforce, leveraged prevalently in workplace, incident-oriented, and reasonable suspicion testing situations.

Blood Alcohol Analysis

A blood alcohol analysis directly gauges ethanol concentration within the bloodstream, ranking among the most precise methodologies for impairment determination. Hospitals, law enforcement, and judicial institutions rely on this method for its accuracy, prominently applied during DUI assessments, emergency responses, and intricate legal investigations.

PEth Alcohol Blood Test

The PEth (Phosphatidylethanol) blood analysis identifies biomarkers within red blood cells indicating prolonged or intense alcohol consumption. PEth can trace alcohol use margins up to 2-3 weeks and is viewed as a stalwart indicator for extended drinking behaviors, frequently employed in family law rulings, monitoring schemes, treatment hubs, and pre-employment evaluations concerning safety-sensitive sectors.

ETG Alcohol Hair Testing

An EtG hair alcohol examination extends a 90-day observance scale by analyzing alcohol residues embedded within the hair core, discerning recurrent or ongoing alcohol usage paradigms over sole instance consumption. Vital for courts, child custody engagements, and sustained supervision agendas, hair EtG assays command recognition owing to their precision, authenticity, and resistance to short-term abstinence maneuvers.

Through expert navigation, accredited national labs, and efficient scheduling capabilities, Accredited Drug Testing certifies that each alcohol examination method imparts explicit, defensible, and statutory compatible outcomes, aiding individuals and employers to remain informed, safeguarded, and regulatory compliant.


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.

Frequently Asked Questions

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.

Customer Reviews

quick to assist

They are very quick to assist with your orders and they helped when I needed to find a new testing facility.

Gary Matkin - 2/19/2025

Super helpful

Customer service was surprisingly super helpful and so nice. She was able to get me in at a local location right away the same day. She helped me figure out exactly what I needed. Very impressed.

Brook - 9/19/2024

Very easy to get scheduled

Very easy to get scheduled and easy process once checked in and the staff were all extremely friendly! I would recommend this company!

Ronickia Moore - 11/19/2024

Fantastic Experience

Fantastic experience from the beginning. Jocelyn was very helpful to me as someone who doesn’t have much experience in needing a test. They were very helpful and walked me through the entire process start to finish. Thank you ADT!

Riley Wilson - 2/18/2025

Fast and efficient service

Fast and efficient service for employers wanting to do pre employment drug screening that meets DOT requirements!!

Mary Thomas - 4/5/2025


Sources


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Convenient on-site mobile drug testing with fast, reliable results—saving time while keeping your Norwalk, CT workplace compliant.

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Certified DOT physicals with quick, reliable exams to keep Norwalk, CT drivers compliant and on the road with confidence.

DOT Consortium

Join our DOT consortium for hassle-free compliance, random testing management, and reliable driver safety solutions.

(800) 221-4291