Drug & Alcohol Testing Near Me - Gonzales, 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

38 Drug-Testing Centers in Gonzales

Minutes Away, Test Today

214 S Burnside Ave Ste A0.04 miles

214 S Burnside Ave Ste A
Gonzales, LA 70737

1124 S Burnside Ave0.38 miles

1124 S Burnside Ave
Gonzales, LA 70737

2647 S Saint Elizabeth Blvd Ste 1250.54 miles

2647 S Saint Elizabeth Blvd Ste 125
Gonzales, LA 70737

1205 W Edenborne Pkwy0.54 miles

1205 W Edenborne Pkwy
Gonzales, LA 70737

2612 S Ruby St1.78 miles

2612 S Ruby St
Gonzales, LA 70737

41237 Hwy 224.59 miles

41237 Hwy 22
Burnside, LA 70738

5525 Highway 31158.06 miles

5525 Highway 3115
Geismar, LA 70734

15475 Airline Hwy9.76 miles

15475 Airline Hwy
Baton Rouge, LA 70817

727 Highlandia Dr10.07 miles

727 Highlandia Dr
Baton Rouge, LA 70810

214 Clinic Dr10.95 miles

214 Clinic Dr
Donaldsonville, LA 70346

301 Memorial Dr10.96 miles

301 Memorial Dr
Donaldsonville, LA 70346

9865 Pecue Ln11.66 miles

9865 Pecue Ln
Baton Rouge, LA 70810

13406 Airline Hwy11.99 miles

13406 Airline Hwy
Baton Rouge, LA 70817

1125 W Highway 3012.77 miles

1125 W Highway 30
Gonzales, LA 70737

11441 Industriplex Blvd Ste 14013.50 miles

11441 Industriplex Blvd Ste 140
Baton Rouge, LA 70809

10059 N Reiger Rd13.75 miles

10059 N Reiger Rd
Baton Rouge, LA 70809

10099 N Reiger Rd13.79 miles

10099 N Reiger Rd
Baton Rouge, LA 70809

13702 Coursey Blvd Bldg 10 Ste B13.86 miles

13702 Coursey Blvd Bldg 10 Ste B
Baton Rouge, LA 70817

7516 Bluebonnet Blvd Ste 24414.87 miles

7516 Bluebonnet Blvd Ste 244
Baton Rouge, LA 70810

14635 S Harrells Ferry Rd Unit Bc15.10 miles

14635 S Harrells Ferry Rd Unit Bc
Baton Rouge, LA 70816

3837 Plaza Tower Dr Ste C15.16 miles

3837 Plaza Tower Dr Ste C
Baton Rouge, LA 70816

11924 Justice Ave Ste B15.46 miles

11924 Justice Ave Ste B
Baton Rouge, LA 70816

17000 Medical Center Dr15.53 miles

17000 Medical Center Dr
Baton Rouge, LA 70816

11854 Bricksome Ave15.62 miles

11854 Bricksome Ave
Baton Rouge, LA 70816

4305 Bluebonnet Blvd15.65 miles

4305 Bluebonnet Blvd
Baton Rouge, LA 70809

5130 Mancuso Ln15.85 miles

5130 Mancuso Ln
Baton Rouge, LA 70809

7731 Perkins Rd Ste 155,15.88 miles

7731 Perkins Rd Ste 155,
Baton Rouge, LA 70810

5745 Essen Ln Ste 10016.09 miles

5745 Essen Ln Ste 100
Baton Rouge, LA 70810

7932 Summa Ave, #b-216.11 miles

7932 Summa Ave, #b-2
Baton Rouge, LA 70808

7887 Picardy Ave16.13 miles

7887 Picardy Ave
Baton Rouge, LA 70809

5475 Essen Ln16.15 miles

5475 Essen Ln
Baton Rouge, LA 70809

8549 United Plaza Blvd Bldg 12 Ste 21016.23 miles

8549 United Plaza Blvd Bldg 12 Ste 210
Baton Rouge, LA 70809

7373 Perkins Rd16.24 miles

7373 Perkins Rd
Baton Rouge, LA 70808

1585 S Range Ave16.52 miles

1585 S Range Ave
Denham Springs, LA 70726

3333 Drusilla Ln16.54 miles

3333 Drusilla Ln
Baton Rouge, LA 70809

9542 Brookline Ave Ste C16.76 miles

9542 Brookline Ave Ste C
Baton Rouge, LA 70809

1731 Lutcher Ave17.98 miles

1731 Lutcher Ave
Lutcher, LA 70071

1645 Lutcher Ave18.01 miles

1645 Lutcher Ave
Lutcher, LA 70071

Drug Testing Near Me

Are you in Gonzales, LA and searching for drug testing close to you? Accredited Drug Testing, Inc. stands out as a trusted national leader in same-day drug and alcohol testing services, offering over 20,000 locations across the United States. Whether your needs involve a DOT-compliant test, a court-mandated examination, pre-employment screening, or testing for personal assurance, we guarantee a smooth, quick, and private scheduling process. Our certified collection centers and laboratory facilities provide precise and dependable results that conform to federal and Gonzales, LA state compliance regulations. Reach out at (800) 221-4291 or effortlessly schedule online 24/7 to discover a drug testing center that suits your convenience. When vigilance, compliance, and peace of mind are paramount, Accredited Drug Testing is your go-to source for trustworthy on-time results.

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

The Significance of Urine Drug Testing in Gonzales, LA

In Gonzales, LA and across the nation, urine drug testing remains the prevalent method for detecting recent substance use. It stands alone as the certified approach for DOT-regulated drug testing under federal law, specifically under 49 CFR Part 40. By evaluating a urine specimen, this procedure efficiently identifies drug or alcohol use through metabolites, making it indispensable for employers, judicial programs, and personal assessments. Ensuring standardization and confidentiality, this method delivers accurate outcomes that are legally sound.

Understanding the Testing Methods and Collection Process

  • Donor Identity Verification: Verification requires a valid ID and necessary signatures on a custody chain before sample collection.
  • Secure Collection Environment: Specimens are gathered in controlled settings that discourage tampering with alert measures like restricted personal belongings and dyed toilet water.
  • Chain of Custody Documentation: The Chain of Custody Form (CCF) accompanies the sample, verifying its integrity from collection to analysis.
  • Temperature & Validity Checks: Specimens are immediately checked for temperature, and labs further scrutinize validity aspects like creatinine and pH levels.
  • DOT Split Specimen: For DOT tests, specimens are divided: one for analysis and the other reserved for confirmation.
  • Laboratory Screening & Confirmation: Initial immunoassays detect broad drug classes, while GC/MS or LC/MS techniques validate specific findings, ensuring precision.
  • MRO Verification: A Medical Review Officer verifies non-negative results for accuracy, providing an official, reviewed outcome.

Timeframe for Receiving Urine Test Results

  • Instant Urine Test: Negative outcomes are available the same day; positive results take 24-72 hours for confirmation.
  • Lab-Based Urine Test: Typically concluded within 24-48 hours for negatives.
  • DOT Drug Test: Results vary between 1-3 business days.
  • Urine EtG Alcohol Test: Results often span 24-48 hours.

It's important to note additional processing time may be necessary for various testing complications.

Advantages and Constraints of Urine Drug & Alcohol Testing

  • Preferred and Approved Method: DOT-approved for federal testing.
  • Effectiveness for Recent Use Detection: Timely results are ideal for employment and legal scenarios.
  • Cost-Effectiveness: Economical and promptly delivers results with reliable confirmation methodologies.
  • Comprehensive Application: Widely accepted by employment, legal, and governmental agencies.
  • Security Measures: Instant testing prevents delays while reducing tampering risks.

Despite limitations regarding detection windows and specific instances of tampering, urine testing continues to be the standard for comprehensive and routine drug assessment.

How Hair Drug Testing Works

In Gonzales, LA and beyond, hair drug and alcohol testing emerges as a remarkably credible and comprehensive laboratory method. While urine tests capture recent consumption, hair assessments offer a 90-day detection period, making them invaluable for identifying long-term substance use trends. This suitability makes it ideal for purposes such as employer screenings, legal considerations like custody battles, and any scenario demanding a panoramic review of an individual's history with substances.

Testing Methods & Collection Process

1. Donor Identity Verification

At the commencement of the collection, individuals are required to present valid government-verified ID, after which proper documentation including consent and chain-of-custody forms must be signed for accuracy and legitimacy.

2. Hair Collection Procedure

The procedure involves a trained specialist acquiring a small cluster of hair - generally about 100-120 strands - cut near the scalp. Ideally, the sample is taken from the crown region, but in the absence of head hair, body hair may serve as a substitute. The entire process is both rapid and conducted under direct observation.

3. Chain of Custody Documentation

Completion of a comprehensive Hair Drug Test Custody and Control Form is necessary to ensure evidence of the sample's collection, sealing, and movement, maintaining its legal credibility and protection.

4. Laboratory Preparation & Analysis

Once the sample reaches the lab, it undergoes a sequence of meticulous forensic steps:

  • Decontamination: To remove external pollutants such as smoke or environmental exposure.
  • Cutting/Grinding: Process of sectioning or grinding the hair for extractive analysis.
  • Extraction: Drug metabolites are derived from the hair within.

This is followed by advanced laboratory testing:

  • Initial Screening: Immunoassay techniques employed to identify diverse classes of drugs.
  • Confirmation Testing: Leveraging GC/MS or LC/MS to concretely verify particular drugs or metabolites.

5. Metabolite Detection

As hair grows, drug metabolites embed themselves within the shaft, creating an enduring and tamper-resistant account of substance use. The internal integration of these metabolites makes it exceedingly challenging to adulterate or deceive.

6. MRO Review

A certified Medical Review Officer examines any non-negative results to corroborate their accuracy, exploring potential medical explanations before issuing the official outcomes.

How Long Do Hair Test Results Take?

  • Standard Hair Test: Typically 2-3 business days after the lab receives the sample.
  • Complex Panels or Alcohol Testing (EtG/FAEE): Takes about 3-5 business days depending on the analysis demands.

Although hair testing requires more extended lab processing than urine testing, it assures unmatched consistency in detection.

Benefits of Hair Drug & Alcohol Testing

  • 90-day detection period offering insights into long-term usage patterns.
  • Incredibly difficult to falsify or adulterate test results.
  • Delivers valuable insights into consistent, sporadic, or halted drug use trends.
  • Perfectly suits legal scenarios, custody disputes, and compliance programs.
  • Quick and non-invasive sample collection procedure.
  • Highly reliable findings verified through GC/MS or LC/MS confirmation techniques.

Limitations of Hair Drug & Alcohol Testing

  • Unable to detect recent consumption (5-7 days post-use).
  • More costly option compared to urine or oral fluid assessments.
  • Body hair cannot pinpoint an exact usage timeline.
  • Substance integration may differ based on hair type and growth speed.
  • Not applicable for DOT testing requirements.

Despite these constraints, hair testing remains steadfastly reliable for examining extended substance use and gains widespread utilization by employers, legal representatives, and individuals desiring dependable evidence.

Alcohol & Drug Testing-How Each Method Works

Understanding the nuances of alcohol and drug testing options is essential at Accredited Drug Testing, ensuring the right pick suited to employer, DOT, legal, and personal requirements. By grasping each method's intricacies, stakeholders benefit from accuracy, reliability, and adherence to federal and Gonzales, LA state regulations. Our vast network supported by certified labs and qualified Medical Review Officers ensure each test delivers the trustworthiness you demand.

Alcohol Urine Drug Test

The alcohol urine test serves to detect recent alcohol intake by finding ethanol breakdowns in urine. Aptly used in workplace assessments, judicial mandates, and post-incident checks. Though it skirts measuring current impairment levels, it remains a swift and economical method offering limited detection duration.

ETG Alcohol Test (Urine)

Renowned for its high sensitivity, the EtG urine test captures alcohol intake up to 80 hours following consumption. This direct ethanol derivative test is heavily utilized by courts, rehabilitation programs, and compliance monitors, thanks to its reliable expanded detection window.

Breath Alcohol Test

The breath alcohol test accurately measures current impairment by gauging alcohol in exhaled air, executed through DOT-backed breath alcohol gadgets (EBTs). It presents rapid, defendable outcomes, often mandated for DOT-related employees and appeals to suspicion-based or workplace-required testing.

Blood Alcohol Test

A blood alcohol test offers precision by quantifying the actual ethanol presence within the bloodstream, preferred for its accuracy by hospitals, enforcement departments, and legal experts, notably within DUI contexts and vital legal bestowals.

PEth Alcohol Blood Test

The PEth blood test identifies enduring or heavy alcohol usage by focusing on alcohol-centric biomarkers inside red blood cells. Capable of reflecting usage over 2-3 weeks, it stands as a premier indicator in family law, monitoring systems, treatment setups, and roles requiring safety-clearance screenings.

ETG Alcohol Test (Hair)

The EtG hair alcohol test extends awareness with a 90-day window by examining alcohol residues in hair, attesting to long-standing or chronic use rather than isolated consumption. Courts, custody matters, and consistent monitoring programs lean towards this methodology due to its resilience against brief abstentions attempts.

Under the banner of Accredited Drug Testing, our commitment encompasses expert insights, accredited nationwide lab services, and expedient appointments; allowing every screening iteration to deliver precise, transparent results that shield individuals and entities within regulatory frameworks across Gonzales, LA and beyond.


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, Polite, Informative

Everyone has been quick to respond, polite, informative. It's been easy to order tests. I would recommend them to anyone to use.

April Rogers - 2/15/2025

ADT is truly the best

Where do I start?!! ADT is truly the best!! I had the pleasure of speaking with Tori today! She was excellent, professional and truly went above and beyond in her kind, compassionate care and commitment to providing me with the best service possible. I was in such a time crunch, but I was able to call, order the test, pay for it over the phone and get the test I needed within the hour. Not only did this put my mind at ease, they saved my job!! I am forever grateful for this team of hard workers, that care, with such great work ethics! Thank you from the very bottom of my heart!!! If you need a drug, alcohol, etc… screening, this team will be your lifesavers!!

Sarah Patterson - 4/8/2025

Very helpful

They were very helpful in finding a place to get tested on the route back home! They made a difficult time seem easy with no judgement!

Anne Creden - 11/19/2024

Extremely pleasant

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

ADT was able to get me the best tests

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


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(800) 221-4291