Drug & Alcohol Testing Near Me - Gretna, 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

34 Drug-Testing Centers in Gretna

Minutes Away, Test Today

2127 Belle Chasse Hwy0.86 miles

2127 Belle Chasse Hwy
Gretna, LA 70053

1581 Carol Sue Ave Ste E1.23 miles

1581 Carol Sue Ave Ste E
Terrytown, LA 70056

1716 Saint Charles Ave2.06 miles

1716 Saint Charles Ave
New Orleans, LA 70130

1260 Destrehan Ave2.16 miles

1260 Destrehan Ave
Harvey, LA 70058

900 Magazine St2.22 miles

900 Magazine St
New Orleans, LA 70130

107 Wall Blvd Ste A2.27 miles

107 Wall Blvd Ste A
Gretna, LA 70056

750 Camp St2.37 miles

750 Camp St
New Orleans, LA 70130

107 Wall Blvd Suite A2.37 miles

107 Wall Blvd Suite A
Gretna, LA 70056

148 Wall Blvd2.39 miles

148 Wall Blvd
Gretna, LA 70056

3525 Prytania Street, Suite 5062.47 miles

3525 Prytania Street, Suite 506
New Orleans, LA 70115

2439 Manhattan Blvd Ste 5022.54 miles

2439 Manhattan Blvd Ste 502
Harvey, LA 70058

2600 Belle Chasse Hwy Ste 2012.64 miles

2600 Belle Chasse Hwy Ste 201
Terrytown, LA 70056

120 Meadowcrest St2.67 miles

120 Meadowcrest St
Gretna, LA 70056

2600 Belle Chasse Highway, Suite 2072.72 miles

2600 Belle Chasse Highway, Suite 207
Gretna, LA 70056

4475 Westbank Expy2.79 miles

4475 Westbank Expy
Marrero, LA 70072

318 Baronne St2.80 miles

318 Baronne St
New Orleans, LA 70112

1010 Common St Ste 29702.88 miles

1010 Common St Ste 2970
New Orleans, LA 70112

1340 Poydras St Ste 20402.92 miles

1340 Poydras St Ste 2040
New Orleans, LA 70112

113 Lapalco Blvd Ste 2042.96 miles

113 Lapalco Blvd Ste 204
Gretna, LA 70056

1101 Medical Center Blvd3.02 miles

1101 Medical Center Blvd
Marrero, LA 70072

4700 Wichers Dr,3.14 miles

4700 Wichers Dr,
Marrero, LA 70072

1716 Cleveland Ave3.37 miles

1716 Cleveland Ave
New Orleans, LA 70112

2820 Napoleon Avenue, Suite 2303.42 miles

2820 Napoleon Avenue, Suite 230
New Orleans, LA 70115

1625 Barataria Blvd3.48 miles

1625 Barataria Blvd
Marrero, LA 70072

5243 Tchoupitoulas St3.49 miles

5243 Tchoupitoulas St
New Orleans, LA 70115

1660 Barataria Blvd3.52 miles

1660 Barataria Blvd
Marrero, LA 70072

2532 Tulane Ave3.79 miles

2532 Tulane Ave
New Orleans, LA 70119

2714 Canal St Ste 1024.07 miles

2714 Canal St Ste 102
New Orleans, LA 70119

1751 Gentilly Blvd - Derby Building4.62 miles

1751 Gentilly Blvd - Derby Building
New Orleans, LA 70119

4640 S Carrollton Ave Ste 2254.96 miles

4640 S Carrollton Ave Ste 225
New Orleans, LA 70119

618 N Carrollton Ave5.08 miles

618 N Carrollton Ave
New Orleans, LA 70119

8050 W Judge Perez Dr Ste 13005.25 miles

8050 W Judge Perez Dr Ste 1300
Chalmette, LA 70043

401 4th St5.35 miles

401 4th St
Bridge City, LA 70094

303 W Judge Perez Dr5.64 miles

303 W Judge Perez Dr
Chalmette, LA 70043

Drug Testing Near Me

Drug Testing Locations for Same-Day Screening in Gretna, LA

Are you seeking reliable drug testing facilities close by? Look no further! Accredited Drug Testing, Inc. is a top-choice provider nationwide, offering same-day drug and alcohol testing at over 20,000 locations including Gretna, LA. We cater to a diverse range of needs, whether it be DOT-regulated tests, court-mandated screenings, pre-employment tests, or tests for personal needs. Our streamlined scheduling process is both swift and discreet, ensuring a seamless experience from start to finish. Supported by certified collection sites and cutting-edge labs, our results are both precise and reliable, adhering to federal and Gretna, LA state regulations. Connect with us at (800) 221-4291 or book online any time to locate a convenient testing center near you. When precision, compliance, and reassurance take precedence, trust Accredited Drug Testing to deliver dependable outcomes with punctuality every time.

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

Urine drug testing is prevalent across the United States as the only approved method for DOT-mandated drug testing under 49 CFR Part 40. This testing modality detects recent drug use by examining a urine sample for drugs, their metabolites, or alcohol biomarkers. It is an industry-standard procedure that ensures confidentiality and accuracy, offering reliable, legally-valid outcomes for employers, individuals, and judicial mandates in Gretna, LA.

Testing Methods & Collection Process

1. Donor Identity Verification

The process commences as the donor presents valid government-issued identification and completes necessary chain-of-custody paperwork prior to testing.

2. Secure Collection Environment

Urine collections occur in a monitored setting to discourage tampering. Personal items may be checked, water sources secured, and toilet water tinted as part of standard security protocols.

3. Chain of Custody Documentation

Using a federally-recognized Chain of Custody Form (CCF) traces the specimen's journey from collection to the lab, upholding the test's integrity and legal validity.

4. Temperature & Validity Checks

Immediately following collection, the specimen's temperature and appearance are inspected. The lab also conducts validity tests, including checks for creatinine, pH, and specific gravity, along with adulterant screening.

5. DOT Split Specimen

DOT-regulated urine samples are divided into two vials: Bottle A for primary examination and Bottle B for retesting in case the donor contests the outcome. For non-DOT tests, a single vial suffices.

6. Laboratory Screening & Confirmation

Samples undergo testing at SAMHSA-certified labs using a dual-phase analysis:

  • Initial Immunoassay Screen: detects drug categories.
  • Confirmation Testing: Utilizes GC/MS or LC/MS for precise identification of specific drugs or metabolites.

7. MRO Verification

A qualified Medical Review Officer (MRO) checks non-negative results, confirming accuracy and discussing potential medical justifications with the donor before final result issuance.

How Long Do Urine Test Results Take?

  • Instant Urine Test: Provides same-day negative outcomes; positive cases head to the lab for confirmation (24-72 hours).
  • Lab-Based Urine Test: Usually 24-48 hours for most negative outcomes.
  • DOT Drug Test: Typically 1-3 business days pending MRO examination and contacting the donor.
  • Urine EtG Alcohol Test: Generally takes 24-48 hours.

Additional time may be necessary for shy bladder cases, invalid specimens, or if confirmation testing or donor contact efforts are needed.

Benefits of Urine Drug & Alcohol Testing

  • Recognized for DOT compliance and federal law.
  • Captures recent usage, a prime choice in workplace and post-accident settings.
  • Affordable with a speedy turnaround.
  • Frequently accepted by judicial bodies, employers, and government units.
  • On-the-spot testing options are available for swift analysis.
  • High precision through GC/MS or LC/MS confirmation technologies.

Limitations of Urine Drug & Alcohol Testing

  • Short detection span (1-7 days for many drugs).
  • Risk of tampering if security protocols are improperly implemented.
  • Unable to show extended-use or historical patterns.
  • Necessity for bathroom access and certain collection methods.
  • Standard urine analyses do not detect alcohol unless EtG/EtS testing is employed.

Regardless of these constraints, urine testing remains the most feasible and widely embraced method for drug and alcohol screening nationwide, including in Gretna, LA.

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How Hair Drug Testing Works

Hair Drug & Alcohol Testing in Gretna, LA

Utilizing hair samples for drug and alcohol analysis offers profound insights into long-term substance use, countering limitations seen with other methods like urine testing which tenders recent consumption patterns. With a 90-day detection threshold, hair testing delves into drug metabolites entrenched within the hair shaft, making this method ideal for employment checks, judicial cases, custody disputes, and scenarios necessitating extensive substance use histories.

Testing & Sample Collection Procedures

Processing Timeline for Hair Testing Outcomes:

Whereas processing times are a bit protracted relative to urine analysis, hair tests exhibit unparalleled detection residency.

Advantages & Constraints of Hair Analysis

Despite certain restraints, hair testing stands as a bastion of reliable determination for more enduring substance use patterns, influencing employers, trackers, and legal experts desiring trustworthy tamper-proof results.

Alcohol & Drug Testing-How Each Method Works

Comprehensive Alcohol and Drug Testing Options in Gretna, LA

In Gretna, LA, 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.

Diverse Alcohol Testing Methods Available

With our informed guidance, qualified laboratory practices, and prompt scheduling services, testing with Accredited Drug Testing in Gretna, LA 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.

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

Saved My CDL!

Time was running out before my Cdl got downgraded because of a violation I had on clearinghouse. I couldn't find an employer to send me for my return to duty test, but these guys had my test scheduled and done in the same day! They saved my cdl. Thank you again!

Michael Williams - 12/2/2024

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

Reception is kind and helpful

Reception is kind and helpful , everything quick and simple , best urgent care

Yusuf Narmuradov - 11/19/2024

Excellant Performance

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

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


Sources


Gretna Drug Testing

Quickly find trusted local drug testing centers in Gretna, LA — fast, convenient, and reliable every time!

Gretna DOT Drug Testing

Quickly find a local DOT drug testing center in Gretna, LA — fast, reliable, convenient nationwide service!

Gretna DNA Testing

DNA testing for legal and non-legal purposes including child support, and child custody around Gretna, LA.

Gretna Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in Gretna, LA.v

Gretna Hair Drug Testing

Get fast, accurate hair drug testing at our convenient Gretna, LA locations—results you can trust, every time!

Gretna Alcohol Testing

Fast, reliable alcohol testing to keep your workplace safe and compliant every single day in Gretna, LA.

Gretna Drug Testing Services

Reliable nationwide drug testing services ensuring accuracy, compliance, and quick results for businesses and individuals in Gretna, LA.

Gretna 5 Panel Drug Test

Accurate 5 panel drug testing with fast, confidential results—trusted by Gretna, LA employers and individuals nationwide.

Gretna 10 Panel Drug Test

Comprehensive 10 panel drug testing with fast, reliable results—trusted for Gretna, LA workplace and personal testing needs.

Gretna On Site Drug Testing

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

Gretna DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Gretna, LA 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