Drug & Alcohol Testing Near Me - Gonzales, TX

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

1526 Water St4.25 miles

1526 Water St
Gonzales, TX 78629

1110 E Sarah Dewitt Dr5.58 miles

1110 E Sarah Dewitt Dr
Gonzales, TX 78629

130 Hays St17.80 miles

130 Hays St
Luling, TX 78648

107 East 7th St19.67 miles

107 East 7th St
Shiner, TX 77984

1200 Carl Ramert Dr24.04 miles

1200 Carl Ramert Dr
Yoakum, TX 77995

402 Hubbard St24.06 miles

402 Hubbard St
Yoakum, TX 77995

1635 Old Gonzales Rd24.45 miles

1635 Old Gonzales Rd
Cuero, TX 77954

1129 N Esplanade St27.89 miles

1129 N Esplanade St
Cuero, TX 77954

2500 N Esplanade St Ste 10427.89 miles

2500 N Esplanade St Ste 104
Cuero, TX 77954

1375 E Walnut St28.14 miles

1375 E Walnut St
Seguin, TX 78155

1347 E Court St28.55 miles

1347 E Court St
Seguin, TX 78155

1215 E Court St28.64 miles

1215 E Court St
Seguin, TX 78155

300 S Colorado St Ste A30.60 miles

300 S Colorado St Ste A
Lockhart, TX 78644

5 Professional Plz30.72 miles

5 Professional Plz
Lockhart, TX 78644

1400 N Texana St33.25 miles

1400 N Texana St
Hallettsville, TX 77964

13857 Us Highway 87 W35.46 miles

13857 Us Highway 87 W
La Vernia, TX 78121

1050 N Ih 3538.52 miles

1050 N Ih 35
New Braunfels, TX 78130

965 N Walnut Ave Ste 500a38.52 miles

965 N Walnut Ave Ste 500a
New Braunfels, TX 78130

1305 Wonder World Dr38.71 miles

1305 Wonder World Dr
San Marcos, TX 78666

1301 Wonder World Dr38.72 miles

1301 Wonder World Dr
San Marcos, TX 78666

900 Bugg Ln Ste 21038.86 miles

900 Bugg Ln Ste 210
San Marcos, TX 78666

205 East Ave Ste B39.05 miles

205 East Ave Ste B
Schulenburg, TX 78956

301 N Guadalupe St39.97 miles

301 N Guadalupe St
San Marcos, TX 78666

915 Highway 8040.52 miles

915 Highway 80
San Marcos, TX 78666

1528 Common St Ste 640.78 miles

1528 Common St Ste 6
New Braunfels, TX 78130

1348 N State Highway 123 Ste A40.80 miles

1348 N State Highway 123 Ste A
San Marcos, TX 78666

1329 W San Antonio St41.90 miles

1329 W San Antonio St
New Braunfels, TX 78130

215 N Washington St42.75 miles

215 N Washington St
La Grange, TX 78945

135 Bunton Creek Rd Ste 10044.16 miles

135 Bunton Creek Rd Ste 100
Kyle, TX 78640

800 Highway 71 E44.78 miles

800 Highway 71 E
Smithville, TX 78957

1409 10th St45.31 miles

1409 10th St
Floresville, TX 78114

402 Youens Dr45.57 miles

402 Youens Dr
Weimar, TX 78962

10001 S Interstate 35 Ste 30045.82 miles

10001 S Interstate 35 Ste 300
Austin, TX 78747

3910 S Interstate 35 Ste 30045.82 miles

3910 S Interstate 35 Ste 300
Austin, TX 78704

110 N Interstate 35 Ste 26045.82 miles

110 N Interstate 35 Ste 260
Round Rock, TX 78681

110 N Interstate 35 Ste 315-17045.82 miles

110 N Interstate 35 Ste 315-170
Round Rock, TX 78681

2000 S Interstate 35 Ste N545.82 miles

2000 S Interstate 35 Ste N5
Round Rock, TX 78681

1941 S Interstate 35 Ste 11345.82 miles

1941 S Interstate 35 Ste 113
San Marcos, TX 78666

Drug Testing Near Me

Seeking reliable local options for drug testing? Accredited Drug Testing, Inc. stands as the top choice across the nation, boasting over 20,000 testing centers to provide same-day drug and alcohol testing services, including in Gonzales, TX. Whether your needs include a Department of Transportation (DOT) test, court-ordered evaluations, employment screening, or personal checks, our process is streamlined for convenience and discretion. Our facilities and labs adhere strictly to both federal and state regulations, guaranteeing dependable and exact results. For a seamless experience, contact us at (800) 221-4291 or book an appointment online anytime to discover the nearest testing location. With a commitment to safety, standards, and assurance, Accredited Drug Testing reliably provides timely and trusted outcomes.

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, as the nation's primary testing type, uniquely stands as the authorized method for DOT-regulated drug assessments under 49 CFR Part 40. By analyzing urine samples to detect drugs, drug residues, or alcohol indicators, this approach spotlights recent substance use, ensuring legally sound results for employers, individuals, and mandated programs.

Testing Methods & Collection Process

1. Donor Identity Verification

Verification starts with presenting valid government ID and completing vital chain-of-custody paperwork, set before testing begins.

2. Secure Collection Environment

Urine is gathered in managed settings to deter tampering, enforcing restricted belongings access, secured water sources, and dyed toilet water.

3. Chain of Custody Documentation

The Chain of Custody Form (CCF) rigorously documents the sample's journey from collection through lab analysis, safeguarding result integrity and legal standing.

4. Temperature & Validity Checks

The collection involves immediate checks for vital parameters like temperature, appearance, and lab-conducted validity testing, including checks on pH and other markers.

5. DOT Split Specimen

For DOT cases, specimens are split into Bottle A for initial and Bottle B for any dispute-related further testing, while non-DOT applies a single vial.

6. Laboratory Screening & Confirmation

  • Initial Immunoassay Screen: identifies broader drug categories.
  • Confirmation Testing: pinpoints specific drugs/metabolites with advanced GC/MS or LC/MS.

7. MRO Verification

A certified Medical Review Officer (MRO) examines non-negative outcomes, ensuring testimony accuracy and donor dialogue before releasing conclusive results.

How Long Do Urine Test Results Take?

  • Instant Urine Test: gives same-day negative results while positive samples await lab confirmation (24-72 hours).
  • Lab-Based Urine Test: yields most negative findings within 24-48 hours.
  • DOT Drug Test: generally takes 1-3 business days based on MRO review and donor replies.
  • Urine EtG Alcohol Test: resolves in usually 24-48 hours.

Extended analysis might be involved for shy bladder, invalid samplings, or further lab scrutiny or donor interviews.

Benefits of Urine Drug & Alcohol Testing

  • The exclusive DOT endorsed and federally observed technique for regulated tests.
  • Detects recent consumption, fitting well with workplace or post-incident needs.
  • Offers economic benefits and swift results.
  • Recognized extensively by judicial, corporate, and public authorities.
  • Allows for urgent rapid screening.
  • Delivers reliable outcomes with high-spec technology.

Limitations of Urine Drug & Alcohol Testing

  • Drug detection timeframe is short (1-7 days).
  • Security lapses might promote sample tampering.
  • Invariant when documenting historical usage.
  • Depends on restroom presence and precise procedures.
  • Standard urine screenings miss alcohol unless EtG/EtS is applied.

Despite these constraints, urine screening is the most pragmatic, widely adopted asset for alcohol and drug analysis.

How Hair Drug Testing Works

In the state of Gonzales, TX, hair drug and alcohol testing is a trusted laboratory technique that detects long-term substance use. Unlike urine tests that catch recent use, hair analysis has a 90-day detection window, identifying drug metabolites integrated within hair strands. This makes hair testing ideal for ongoing workplace monitoring, legal disputes, child custody considerations, and situations requiring a comprehensive view of substance use history.

Testing Methods & Collection Process

1. Donor Identity Verification

Prior to sample collection, individuals must present valid government identification, with all related consent and custody documentation completed to ensure legally binding results.

2. Hair Collection Procedure

A trained professional clips a small sample usually around 100-120 strands close to the scalp. The preferred source is the head's crown, yet body hair can be used if needed. The process is quick, non-invasive, and conducted under supervision.

3. Chain of Custody Documentation

Completion of a Hair Drug Test Custody and Control Form logs the specimen's collection, sealing, and handling, ensuring the protection and legality of outcomes.

4. Laboratory Preparation & Analysis

In the lab, hair samples undergo critical forensic stages:

Then, samples undergo precise lab analysis:

5. Metabolite Detection

Drug metabolites become embedded in the hair as it grows, forming a robust record of substance usage. The intrinsic nature of metabolites in hair makes this test immune to tampering.

6. MRO Review

A certified Medical Review Officer evaluates any non-negative outcomes for accuracy, examining plausible medical reasons and delivering an official report.

How Long Do Hair Test Results Take?

Although hair testing has a slightly extended turnaround compared to urine tests, its detection reliability is unrivaled.

Alcohol & Drug Testing-How Each Method Works

In Gonzales, TX, Accredited Drug Testing offers a comprehensive spectrum of alcohol and drug screening services tailored to meet the varying needs of employers, DOT requirements, legal needs, and personal requests. Familiarity with the operational mechanisms of each test assures the correct choice, accurate outcomes, and adherence to federal and state regulations. Through our extensive network, certified laboratory facilities, and expert Medical Review Officers, we provide the reliability, integrity, and professionalism crucial for trustworthy testing results.

Alcohol Urine Drug Test

The alcohol urine test identifies recent consumption by detecting ethanol metabolites in the urine, prevalent for workplace, court obligations, and post-incident evaluation. Though it doesn't gauge current impairment, it affords a brief detection period lasting several hours, making it a swift, cost-efficient screening choice.

ETG Alcohol Test (Urine)

The EtG (Ethyl Glucuronide) test is highly sensitive, tracing alcohol use up to 80 hours post-consumption, making it favored among courts, rehabilitation initiatives, and compliance oversight bodies for its extended window and accuracy.

Breath Alcohol Test

A breath alcohol test assesses current impairment through the alcohol levels in deep lung air, utilizing DOT-certified machines (EBTs) for immediate and legally sound results. Required for DOT-covered workers, it's also utilized for workplace and suspicion-based scenarios.

Blood Alcohol Test

The blood alcohol test measures ethanol in the bloodstream directly, deemed one of the most precise methods for impairment assessment, trusted by hospitals, law enforcement, and legal entities, especially in DUI contexts.

PEth Alcohol Blood Test

A PEth (Phosphatidylethanol) blood test detects consistent or intense alcohol intake, marking alcohol-indicative biomarkers in red blood cells, allowing detection for up to 2-3 weeks, used in familial law disputes and high-risk employment screenings.

ETG Alcohol Test (Hair)

The EtG hair test maintains a 90-day scrutiny window, identifying alcohol use patterns from metabolites in hair strands. This method proves indispensable for legal issues and ongoing compliance management due to its consistency and resistance to deceptive abstinence.

By leveraging expert insight, nationally accredited laboratories, and efficient scheduling protocols, Accredited Drug Testing in Gonzales, TX delivers indubitable, transparent, and compliant testing outcomes, enabling both individuals and enterprises to stay informed, safeguarded, and entirely compliant with regulatory mandates.


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, knowledgeable and courteous

Quick, knowledgeable and courteous Janelle worked diligently to support me. I am recommending their services to anyone looking.

Greensboro Joseph - 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

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

Polite

I ran into a situation because the Guthrie had closed and I had to go to well care and they were right on it. I had no problems when I called to get connected with welcare everything worked out and I didn't even have to wait.they were polite and talked with the receptionist for me once I got them on the phone.

Sayre - 8/19/2024

Super Easy to Schedule

Super easy to schedule and get what you need, weather for a job, personal, or court ordered! I believe I spoke with Justine who was helpful in answering all my questions and stayed on the phone with me until she was sure I was all set and got the emails I needed.

Mandy Ryan - 12/14/2024


Sources


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DOT Consortium

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

(800) 221-4291