Drug & Alcohol Testing Near Me - Seguin, 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

33 Drug-Testing Centers in Seguin

Minutes Away, Test Today

1215 E Court St0.82 miles

1215 E Court St
Seguin, TX 78155

1347 E Court St0.92 miles

1347 E Court St
Seguin, TX 78155

1375 E Walnut St1.42 miles

1375 E Walnut St
Seguin, TX 78155

1050 N Ih 3510.79 miles

1050 N Ih 35
New Braunfels, TX 78130

965 N Walnut Ave Ste 500a10.79 miles

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

1329 W San Antonio St13.30 miles

1329 W San Antonio St
New Braunfels, TX 78130

1528 Common St Ste 613.32 miles

1528 Common St Ste 6
New Braunfels, TX 78130

2957 Lotus Park17.59 miles

2957 Lotus Park
Schertz, TX 78154

6032 Fm 3009 Ste 12017.96 miles

6032 Fm 3009 Ste 120
Schertz, TX 78154

1264 Fm 78 Unit 11517.96 miles

1264 Fm 78 Unit 115
Schertz, TX 78154

1659 W State Highway 46 Ste 16018.89 miles

1659 W State Highway 46 Ste 160
New Braunfels, TX 78132

6704 Guada Coma Dr19.26 miles

6704 Guada Coma Dr
Schertz, TX 78154

1305 Wonder World Dr19.66 miles

1305 Wonder World Dr
San Marcos, TX 78666

1301 Wonder World Dr19.67 miles

1301 Wonder World Dr
San Marcos, TX 78666

130 Hays St20.01 miles

130 Hays St
Luling, TX 78648

1348 N State Highway 123 Ste A21.51 miles

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

900 Bugg Ln Ste 21021.65 miles

900 Bugg Ln Ste 210
San Marcos, TX 78666

301 N Guadalupe St21.81 miles

301 N Guadalupe St
San Marcos, TX 78666

915 Highway 8021.91 miles

915 Highway 80
San Marcos, TX 78666

13857 Us Highway 87 W22.46 miles

13857 Us Highway 87 W
La Vernia, TX 78121

12602 Toepperwein Rd Ste 22022.95 miles

12602 Toepperwein Rd Ste 220
Live Oak, TX 78233

12702 Toepperwein Rd Ste 12023.02 miles

12702 Toepperwein Rd Ste 120
San Antonio, TX 78233

7110 Fm 78 Ste 11023.96 miles

7110 Fm 78 Ste 110
San Antonio, TX 78244

5620 Randolph Blvd24.99 miles

5620 Randolph Blvd
San Antonio, TX 78233

12650 Nacogdoches Rd26.21 miles

12650 Nacogdoches Rd
San Antonio, TX 78217

6100 Ne Loop 41026.25 miles

6100 Ne Loop 410
San Antonio, TX 78218

6170 Ih 10 E Bldg 226.78 miles

6170 Ih 10 E Bldg 2
San Antonio, TX 78219

5 Professional Plz27.13 miles

5 Professional Plz
Lockhart, TX 78644

6021 Rittiman Plz27.25 miles

6021 Rittiman Plz
San Antonio, TX 78218

300 S Colorado St Ste A27.47 miles

300 S Colorado St Ste A
Lockhart, TX 78644

280 N Interstate 35 Ste 30027.67 miles

280 N Interstate 35 Ste 300
New Braunfels, TX 78130

8601 Village Dr Ste 20228.09 miles

8601 Village Dr Ste 202
San Antonio, TX 78217

10200 Broadway St Ste 20029.17 miles

10200 Broadway St Ste 200
San Antonio, TX 78217

Drug Testing Near Me

Seeking convenient locations for drug testing in your vicinity? Accredited Drug Testing, Inc., with its reputation for reliability, provides immediate drug and alcohol assessments across a vast network of over 20,000 testing sites nationwide, including all areas within Seguin, TX. We cater to various needs, whether it's DOT compliance screening, legal mandates, job-related checks, or personal testing requirements. Scheduling is streamlined and designed to respect privacy, allowing for quick arrangements online or through phone. Rely on our certified facilities to uphold the highest standards in accuracy and adhere to both federal and state regulations. For trustworthy testing services, reach out to us at (800) 221-4291 or schedule online any time. When maintaining safety and compliance is critical, Accredited Drug Testing offers results you can trust, promptly and accurately.

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 the realm of drug screening, urine tests stand out as the most widely applied method nationwide and are exclusively employed for DOT-regulated screenings under the stipulations of 49 CFR Part 40. Through the examination of urine, this test identifies substances or their metabolites, including alcohol markers, indicative of recent usage. Designed with integrity and confidentiality as priorities, this method delivers factual results, serving the needs of employers, private individuals, and legal systems including those in Seguin, TX.

Testing Techniques & Collection Protocol

1. Verification of Donor Identity

Individuals provide proper government identification and complete a series of chain-of-custody endorsements, safeguarding the integrity of the testing procedure from start to finish.

2. Secure Collection Premises

Urine is collected in a meticulously controlled setting to mitigate tampering risks. All personal items are safely set aside, water sources are sealed, and toilets treated with color agents as routine security measures.

3. Chain of Custody Papers

The federal Chain of Custody Form (CCF) meticulously documents the sample's journey from the collection point to the analytic phases at the laboratory, preserving the test's credibility.

4. Temperature and Authenticity Examinations

Post-collection, samplings undergo evaluations for valid temperature and clarity. Laboratory scrutiny further involves testing for levels of creatinine, pH balance, and adulteration indicators.

5. Split Specimen for DOT

For DOT mandates, urine samples are divided into two bottles to verify primary assessments and address disputes. Non-DOT specimens are not subjected to this split process.

6. Analytical Procedures & Confirmation

Surveillance occurs at SAMHSA-certified labs, adhering to a dual-step process:

  • Initial Screen: Immunoassay for substance detection.
  • Confirmation Testing: Employing GC/MS or LC/MS, specific drugs and their metabolites are precisely identified.

7. MRO Assessment

A certified Medical Review Officer evaluates atypical results, substantiates their accuracy, and interacts with the donor for potential medical clarifications before results dissemination.

Timeframe for Urine Test Results

  • Immediate Urine Test: Negative outcomes affirmed on the same day; positive indications are sent for verified confirmation (taking 24-72 hours).
  • Lab-Processed Urine Test: Outcomes typically available within 24-48 hours for negative findings.
  • DOT Screen: Results proceed between 1-3 business days, factoring in MRO reviews.
  • Urine EtG Alcohol Analysis: Generally resolved within 24-48 hours.

Contingent delays may arise due to factors such as insufficient sample (shy bladder), sample invalidity, or the requirement for further confirmation or donor communication.

Advantages of Urine Drug & Alcohol Screenings

  • Exclusive method approved for DOT and federal adherence.
  • Efficiently detects current usage, valuable for occupational or post-accident assessments.
  • Cost-effective with rapid result generation.
  • Commonly accepted in legal, corporate, and governmental settings.
  • Instant options present swift analysis capabilities.
  • Exceedingly precise via GC/MS or LC/MS confirmation stages.

Drawbacks of Urine Drug & Alcohol Tests

  • Narrowing detection range (1-7 days for most substances).
  • Susceptibility to interference in unsecured conditions.
  • Lacks insight into long-term consumption behaviors.
  • Necessitates specific environments and procedures for collection.
  • Standard versions omit alcohol sensing, unless EtG/EtS testing is employed.

Despite these considerations, urine tests maintain their status as the most utilized and effective form for substance analysis across the U.S.

How Hair Drug Testing Works

Hair drug and alcohol testing presents a superior method for assessing sustained substance use patterns. While urine tests capture recent consumption, hair testing extends a 90-day observation window by investigating drug metabolites entrenched in the hair's makeup. This makes hair testing particularly suited for workplace mandates, legal inquiries, guardianship assessments, and other circumstances demanding a comprehensive view of an individual's substance usage over an extended period in places like Seguin, TX.

Testing Procedure & Methodology

1. Verifying Identity of Donors

Donors must supply valid identification with chain-of-custody forms completed to validate documentation before proceeding.

2. Hair Sampling Techniques

A collector acquires a minor hair sample, about 100-120 strands, closest to the scalp. This normally involves the head's crown, although alternative sources like body hair can be used if necessary. The process, though observed, is quick and painless.

3. Chain of Custody Documentation

The Hair Drug Test Custody and Control Form chronicles the collection, sealing, and transport of the hair sample to assure legal and result protection.

Laboratory Preparation & Analysis

At labs, the hair sample undergoes forensic stages:

The sample then meets rigorous lab scrutiny:

5. Metabolite Capture

During hair growth, drug metabolites are encased, providing enduring substance use records. This internal embedding means adulteration or manipulation is exceptionally challenging.

6. Medical Review Officer Appraisal

An MRO evaluates non-negative findings for precision, examines medical justifications, and finalizes official outcomes.

Timeline for Hair Test Results

Despite an extended turnaround time when juxtaposed with urine tests, hair testing yields unmatched detection reliability.

Benefits of Hair Drug & Alcohol Testing

Despite certain constraints, hair testing offers longevity and precision, becoming a trusted method for professionals, legal analysts, and individuals in search of consistent, tamper-proof results.

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 Seguin, TX. 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 Seguin, TX, 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

A very nice company

A very nice company of expertise. The staff will go above to help you out of your situation in a timely matter 👏

Tam Jack - 2/19/2025

Accredited has been wonderful to work with!

Accredited has been wonderful to work with! My court ordered tests are on a very strange schedule but every time I call, they are quick to schedule me and are always able to find a location that works for where I’m at and when! Thank you for making this rather undesirable situation less stressful and efficient.

Madison Sanderford - 8/19/2024

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

Thank You!!

I needed a quick drug test for visitation with my children. I called at 6am they answered and set me up with a place a couple miles from my house to go get the test done, that was on Wednesday, I had the results on Friday afternoon and was able to see my kids on Saturday. Thank you for the help!

Mark Broadhead - 2/12/2025

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


Sources


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(800) 221-4291