Drug & Alcohol Testing Near Me - Marrero, LA

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 Marrero

Minutes Away, Test Today

4475 Westbank Expy0.46 miles

4475 Westbank Expy
Marrero, LA 70072

1101 Medical Center Blvd0.65 miles

1101 Medical Center Blvd
Marrero, LA 70072

4700 Wichers Dr,0.74 miles

4700 Wichers Dr,
Marrero, LA 70072

1625 Barataria Blvd1.15 miles

1625 Barataria Blvd
Marrero, LA 70072

1660 Barataria Blvd1.21 miles

1660 Barataria Blvd
Marrero, LA 70072

1260 Destrehan Ave1.36 miles

1260 Destrehan Ave
Harvey, LA 70058

5243 Tchoupitoulas St1.38 miles

5243 Tchoupitoulas St
New Orleans, LA 70115

3525 Prytania Street, Suite 5061.95 miles

3525 Prytania Street, Suite 506
New Orleans, LA 70115

401 4th St2.63 miles

401 4th St
Bridge City, LA 70094

2820 Napoleon Avenue, Suite 2302.73 miles

2820 Napoleon Avenue, Suite 230
New Orleans, LA 70115

1716 Saint Charles Ave2.97 miles

1716 Saint Charles Ave
New Orleans, LA 70130

2127 Belle Chasse Hwy3.03 miles

2127 Belle Chasse Hwy
Gretna, LA 70053

2439 Manhattan Blvd Ste 5023.36 miles

2439 Manhattan Blvd Ste 502
Harvey, LA 70058

1581 Carol Sue Ave Ste E3.47 miles

1581 Carol Sue Ave Ste E
Terrytown, LA 70056

900 Magazine St3.58 miles

900 Magazine St
New Orleans, LA 70130

750 Camp St3.70 miles

750 Camp St
New Orleans, LA 70130

1340 Poydras St Ste 20403.86 miles

1340 Poydras St Ste 2040
New Orleans, LA 70112

318 Baronne St4.00 miles

318 Baronne St
New Orleans, LA 70112

1010 Common St Ste 29704.09 miles

1010 Common St Ste 2970
New Orleans, LA 70112

107 Wall Blvd Ste A4.22 miles

107 Wall Blvd Ste A
Gretna, LA 70056

148 Wall Blvd4.23 miles

148 Wall Blvd
Gretna, LA 70056

107 Wall Blvd Suite A4.25 miles

107 Wall Blvd Suite A
Gretna, LA 70056

1716 Cleveland Ave4.27 miles

1716 Cleveland Ave
New Orleans, LA 70112

2532 Tulane Ave4.30 miles

2532 Tulane Ave
New Orleans, LA 70119

120 Meadowcrest St4.53 miles

120 Meadowcrest St
Gretna, LA 70056

2600 Belle Chasse Hwy Ste 2014.55 miles

2600 Belle Chasse Hwy Ste 201
Terrytown, LA 70056

2600 Belle Chasse Highway, Suite 2074.59 miles

2600 Belle Chasse Highway, Suite 207
Gretna, LA 70056

2714 Canal St Ste 1024.65 miles

2714 Canal St Ste 102
New Orleans, LA 70119

113 Lapalco Blvd Ste 2044.83 miles

113 Lapalco Blvd Ste 204
Gretna, LA 70056

4640 S Carrollton Ave Ste 2255.10 miles

4640 S Carrollton Ave Ste 225
New Orleans, LA 70119

1751 Gentilly Blvd - Derby Building5.29 miles

1751 Gentilly Blvd - Derby Building
New Orleans, LA 70119

618 N Carrollton Ave5.47 miles

618 N Carrollton Ave
New Orleans, LA 70119

1221 S Clearview Pkwy Bldg A First Floor5.62 miles

1221 S Clearview Pkwy Bldg A First Floor
New Orleans, LA 70121

Drug Testing Near Me

Seeking reliable drug testing near me in Marrero, LA? Accredited Drug Testing, Inc. offers an extensive range nationwide, with over 20,000 locations including Marrero, LA. Our solutions cater to DOT-regulated examinations, court-mandated assessments, pre-employment screenings, or personal testing requirements. We prioritize fast, discreet, hassle-free scheduling. Our accredited labs and collection sites assure dependable and compliant results under both federal and state regulations. Reach us by calling (800) 221-4291 or schedule online anytime, and locate a nearby testing center. Trust in Accredited Drug Testing for timely, accurate results when safety and compliance are essential.
Marrero, LA's own Accredited Drug Testing: Your secure partner in responsible substance screening.

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 Marrero, LA 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 Marrero, LA, owing to its practicality and effectiveness.

How Hair Drug Testing Works

Employing a meticulous laboratory approach, hair drug and alcohol testing offers superior reliability when establishing long-term substance use trends. Unlike urine testing, which only spotlights immediate drug or alcohol use, hair testing scrutinizes the embedded metabolites in hair strands, granting a noteworthy 90-day observation window. This attribute makes it a valued choice in Marrero, LA for workplace compliance initiatives, legal proceedings, child custody evaluations, and any circumstance demanding an extended substance-use review.

Testing Methods & Collection Process

1. Donor Identity Verification

Initiation involves the donor providing a government-issued ID, subsequently completing necessary consent and chain-of-custody documentation to uphold correct record-keeping standards.

2. Hair Collection Procedure

In this step, a trained collector procures a minor hair sample typically involving 100-120 strands trimmed close to the scalp. The crown area is preferred; yet, if head hair is scarce, body hair represents a feasible alternative. This quick, painless procedure is conducted under direct supervision.

3. Chain of Custody Documentation

The collection proceeds with a Hair Drug Test Custody and Control Form, comprehensively documenting the collection, sealing, and transmission processes, preserving legal defensibility throughout.

4. Laboratory Preparation & Analysis

Within the lab, the hair samples undergo a precise and multi-staged process:

  • Decontamination: Hair is washed to eradicate external contaminants such as smoke.
  • Cutting/Grinding: To ready samples for extraction, hair is segmented or finely ground.
  • Extraction: Specific drug metabolites are chemically extracted from within the hair matrix.

For intensified scrutiny, the sample then undergoes meticulous laboratory testing:

  • Initial Screening: Immunoassay analysis to identify drug classes.
  • Confirmation Testing: GC/MS or LC/MS technologies are employed to pinpoint actual drugs and metabolites with scientific precision.

5. Metabolite Detection

While hair grows, drug metabolites are incorporated into the shaft, preserving a durable record of substance use. Consequently, hair testing resists attempts at cheating or adulteration.

6. MRO Review

A certified Medical Review Officer is responsible for evaluating any non-negative outcomes to verify accuracy, potential medical reasons, and releases finalized results.

Timeframe for Hair Test Results

  • Standard Hair Test: 2-3 business days post-sample receipt by the laboratory.
  • Complex Panels or Alcohol Testing (EtG/FAEE): Typically 3-5 business days

Given the comprehensive laboratory processes, hair testing results take slightly longer to return than urine tests, yet they offer unmatched consistency in detection.

Benefits of Hair Drug & Alcohol Testing

  • Provides a 90-day substance use window, ideal for reviewing prolonged patterns.
  • Extremely resistant to deception or adulteration attempts.
  • Reveals patterns regarding habitual, sporadic, or ceased drug use.
  • Can be pivotal in legal disputes such as court trials, child custody, and adherence to compliance programs.
  • Easily detectable using painless and expedient collection techniques.
  • Verification assured through GC/MS or LC/MS confirmation technologies.

Limitations of Hair Drug & Alcohol Testing

  • Insufficient detection for very recent drug use cases (first 5-7 days post-consumption).
  • More costly than alternative testing procedures like urine tests.
  • Exact detection time frame is not possible with body hair.
  • The assimilation of certain substances into hair can vary based on hair type and growth speed.
  • Not sanctioned for use in DOT testing applications.

Despite some drawbacks, hair testing remains a top-notch choice for detecting extended substance use and is extensively utilized by employers, attorneys, and individuals seeking foolproof results that are difficult to manipulate.

Alcohol & Drug Testing-How Each Method Works

In Marrero, LA, Accredited Drug Testing offers a comprehensive array of alcohol and drug screening options. These tests are carefully crafted to align with the needs of employers, DOT standards, legal guidelines, and personal testing necessities. The knowledge of how each specific test operates guarantees the right choice is made, ensuring both reliable results and adherence to federal and state regulations. Our robust network spans nationwide, backed by certified labs and skilled Medical Review Officers, which bring forth the accuracy, trust, and professionalism you deem right for trustworthy testing results.

Alcohol Urine Drug Test

This alcohol urine test targets recent alcohol intake by spotting ethanol metabolites in the urine. It's often employed in workplace screenings, judicial demands, and in the aftermath of accidents. While it doesn't gauge immediate impairment, it serves as a quick, cost-effective solution with a short detection scope of several hours.

ETG Alcohol Test (Urine)

The EtG (Ethyl Glucuronide) urine test is noted for its heightened sensitivity, able to trace alcohol consumption up to 80 hours post-drinking. Given that EtG is a direct byproduct of ethanol exposure, this test is prevalently utilized in judicial, rehab programs, and compliance monitoring settings, praised for both its prolonged detection period and its trusted accuracy.

Breath Alcohol Test

A breath analysis targeting alcohol concentration via deep lung air reveals current impairment state. Using DOT-compliant breath alcohol devices (EBTs), these tests deliver immediate, court-admissible results, integral for DOT-covered workforce, workplace safety, post-incident evaluations, and suspicion-based testing.

Blood Alcohol Test

This blood alcohol test quantifiably gauges the ethanol presence in bloodstream, granting it recognition as a leading method for impairment assessment. It's typically used in DUI inquiries, emergent healthcare, and critical legal scenarios by hospitals, law enforcement, and legal experts.

PEth Alcohol Blood Test

The PEth (Phosphatidylethanol) blood test discerns chronic or heavy drinking through alcohol-specific biomarkers within red blood cells. Detecting use over a span of 2-3 weeks, this test is considered a premier tool for evaluating long-term drinking habits and is relied upon for family law disputes, monitoring schemes, rehab establishments, and pre-hire screenings in safety-focused sectors.

ETG Alcohol Test (Hair)

The EtG hair alcohol test leverages a 90-day inspection period by evaluating alcohol metabolites lodged within the hair stem. This method excels at identifying recurrent or ongoing alcohol patterns, surpassing isolated consumption detections. Because of its stability and resistance to temporary abstinence attempts, it is invaluable in courts, child custody disputes, and long-term surveillance setups.

With leading expertise, recognized labs, and rapid arrangements, Accredited Drug Testing ensures that each alcohol screening approach offers validated, transparent, and regulation-conscious results, supporting both individuals and employers in maintaining knowledge, security, and total regulatory adherence.


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

Kind and very helpful

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

Sweet and helpful

Trish was amazing and got me through the sytem very fast and swift. I had a hard time hearing her a couple of times, but she was super sweet and helpful throughout the process. Highly recommend her!

Sophia Schutze - 6/19/2024

This is by far the easiest

This is by far the easiest way to get my lab work ordered and paid for. The phone calls are short and to the point. They don’t try to push extra sales on you and when I walk in to the clinic I simply show my donor pass and with in a matter of minutes I’m done. I will continue to use ADT in the future.

Jason Jackson - 7/19/2025

Great service

Great service easy use quick processing! Need a hair follicle for my DCFS case , quick and convenient!

Jesse Dupre - 4/12/2025

Hassle Free Experience

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


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(800) 221-4291