Drug & Alcohol Testing Near Me - Schertz, 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

39 Drug-Testing Centers in Schertz

Minutes Away, Test Today

1264 Fm 78 Unit 1150.83 miles

1264 Fm 78 Unit 115
Schertz, TX 78154

6032 Fm 3009 Ste 1200.83 miles

6032 Fm 3009 Ste 120
Schertz, TX 78154

2957 Lotus Park2.12 miles

2957 Lotus Park
Schertz, TX 78154

6704 Guada Coma Dr3.44 miles

6704 Guada Coma Dr
Schertz, TX 78154

12602 Toepperwein Rd Ste 2205.08 miles

12602 Toepperwein Rd Ste 220
Live Oak, TX 78233

12702 Toepperwein Rd Ste 1205.14 miles

12702 Toepperwein Rd Ste 120
San Antonio, TX 78233

5620 Randolph Blvd7.23 miles

5620 Randolph Blvd
San Antonio, TX 78233

7110 Fm 78 Ste 1107.83 miles

7110 Fm 78 Ste 110
San Antonio, TX 78244

12650 Nacogdoches Rd8.34 miles

12650 Nacogdoches Rd
San Antonio, TX 78217

6100 Ne Loop 4108.60 miles

6100 Ne Loop 410
San Antonio, TX 78218

6021 Rittiman Plz10.20 miles

6021 Rittiman Plz
San Antonio, TX 78218

8601 Village Dr Ste 20210.40 miles

8601 Village Dr Ste 202
San Antonio, TX 78217

6170 Ih 10 E Bldg 210.83 miles

6170 Ih 10 E Bldg 2
San Antonio, TX 78219

280 N Interstate 35 Ste 30011.22 miles

280 N Interstate 35 Ste 300
New Braunfels, TX 78130

10200 Broadway St Ste 20011.35 miles

10200 Broadway St Ste 200
San Antonio, TX 78217

1329 W San Antonio St11.90 miles

1329 W San Antonio St
New Braunfels, TX 78130

1211 Austin Hwy Suite 11012.16 miles

1211 Austin Hwy Suite 110
San Antonio, TX 78209

8522 Broadway St Ste 11112.44 miles

8522 Broadway St Ste 111
San Antonio, TX 78217

8223 Broadway St12.72 miles

8223 Broadway St
San Antonio, TX 78209

17700 San Pedro Ave Ste 30012.88 miles

17700 San Pedro Ave Ste 300
San Antonio, TX 78232

19422 Us Highway 281 N Ste 10612.91 miles

19422 Us Highway 281 N Ste 106
San Antonio, TX 78258

22906 Us Highway 281 N Ste 10813.04 miles

22906 Us Highway 281 N Ste 108
San Antonio, TX 78258

Estes Express Terminal 427 Gembler Road13.30 miles

Estes Express Terminal 427 Gembler Road
San Antonio, TX 78219

3453 N Panam Expy Ste 11013.34 miles

3453 N Panam Expy Ste 110
San Antonio, TX 78219

3453 N Panam Expy Ste 12013.34 miles

3453 N Panam Expy Ste 120
San Antonio, TX 78219

18707 Hardy Oak Blvd, Ste 56013.59 miles

18707 Hardy Oak Blvd, Ste 560
San Antonio, TX 78258

431 Isom Rd Ste 12314.15 miles

431 Isom Rd Ste 123
San Antonio, TX 78216

1659 W State Highway 46 Ste 16014.43 miles

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

19016 Stone Oak Parkway #26514.50 miles

19016 Stone Oak Parkway #265
San Antonio, TX 78258

965 N Walnut Ave Ste 500a14.67 miles

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

1050 N Ih 3514.67 miles

1050 N Ih 35
New Braunfels, TX 78130

6521 San Pedro Ave14.90 miles

6521 San Pedro Ave
San Antonio, TX 78216

1534 Contour Dr Ste 10214.96 miles

1534 Contour Dr Ste 102
San Antonio, TX 78212

1528 Common St Ste 614.97 miles

1528 Common St Ste 6
New Braunfels, TX 78130

166 Red Hawk Ridge15.55 miles

166 Red Hawk Ridge
San Antonio, TX 78258

166 Red Hawk Rdg15.55 miles

166 Red Hawk Rdg
San Antonio, TX 78258

3859 E Southcross Blvd Ste H15.84 miles

3859 E Southcross Blvd Ste H
San Antonio, TX 78222

1200 Brooklyn Ave Ste 16516.01 miles

1200 Brooklyn Ave Ste 165
San Antonio, TX 78212

16755 Huebner Rd16.05 miles

16755 Huebner Rd
San Antonio, TX 78248

Drug Testing Near Me

Searching for drug testing facilities nearby in Schertz, TX?

Accredited Drug Testing, Inc. is a leading authority in providing prompt and efficient drug and alcohol testing services across more than 20,000 locations nationwide. Catering to the needs for DOT-regulated tests, court-ordered screenings, pre-employment evaluations, or personal assessments, our services are designed to be seamless, secure, and private. We use certified collection sites and labs to ensure that results are accurate, reliable, and comply with both federal and state regulations. You can easily contact us by calling (800) 221-4291 or register online anytime to locate a convenient drug testing center near you. When health, compliance, and peace of mind are paramount, Accredited Drug Testing offers dependable results on 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

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 Schertz, 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

In Schertz, TX, hair drug and alcohol testing delivers a highly reliable assessment method, ideal for understanding long-term substance use behavior. Unlike urine tests, which only reveal recent substance intake, hair tests delve deeper with a 90-day detection period, analyzing metabolite residues in the hair itself. Such testing is preferred for workplace policies, judicial proceedings, child custody evaluations, and scenarios necessitating a comprehensive understanding of an individual's substance use history.

Testing Protocols & Collection Techniques

1. Identity Verification of Donor

Donors must submit appropriate ID verification and endorse all necessary consent and chain-of-custody paperwork, ensuring procedural legitimacy.

2. Hair Sampling Procedure

A certified collector will obtain a small sample from the scalp area usually 100 to 120 strands. The sample is typically taken from the crown; however, body hair might be used when scalp hair isn't available. This practice is prompt, painless, and conducted under direct observation.

3. Custody Documentation

Documentation via a Hair Drug Test Custody and Control Form ensures each specimen's lawful composure from collection to lab transfer.

4. Laboratory Preparation and Evaluation

After receipt at the laboratory, the hair specimen endures empathetic forensic procedures:

Subsequent is in-depth laboratory testing which includes:

5. Detecting Metabolites

As hair grows, it intrinsically captures drug metabolites, preserving a long-standing record of consumption with remarkable resistance to interference.

6. MRO Review

A specialized Medical Review Officer examines any non-negative outcomes, confirming accuracy and evaluating medicinal explanations ahead of formalizing results.

Processing Time for Hair Test Results

The hair test process, though more extended than urine tests due to elaborate laboratory processing, provides superior consistency and expansive detection range.

Benefits of Hair Testing for Drug & Alcohol

  • Offers a 90-day detection scope for prolonged substance observance.
  • Highly resistant to tampering or switching.
  • Reveals patterns regarding regular, intermittent, or ceased usage.
  • Essential for court discussions, family adjudications, and program compliances.
  • Painless and efficient sample submission process.
  • Exceptional precision through sophisticated GC/MS or LC/MS confirmation testing.

Drawbacks of Hair Testing for Drug & Alcohol

  • Unavailable for immediate drug detection (use within 5-7 days isn't traceable).
  • Presents higher expenses relative to urine or saliva tests.
  • Body hair isn't an ideal detection timeline option.
  • Influenced by hair disposition and growth variability, impacting substance incorporation.
  • Non-eligibility for DOT regulations.

While limitations exist, hair testing for drugs remains a robust choice for identifying extended substance usage and serves a critical role among employers, legal experts, and individuals seeking reliable, untainted results.

Alcohol & Drug Testing-How Each Method Works

Accredited Drug Testing offers a comprehensive suite of drug and alcohol testing methods tailored to satisfy the requirements of employers, DOT regulations, legal cases, and personal identification needs. Acquainting oneself with each method allows for strategic choice, conclusive results, and compliance assurance per both federal and Schertz, TX regulations. Our expansive network, partnered with certified laboratories and seasoned Medical Review Officers, commits to delivering the precision, credibility, and professionalism integral to optimal testing performance.

Alcohol Urine Drug Test

An alcohol urine test establishes recent drinking activity by detecting ethanol metabolites within the urine. This simple yet cost-effective screening solution is favored for workplace auditing, judicial compliance, and after-incident analysis, although it won't pinpoint current intoxication, it still touches upon recent consumption behaviors.

ETG Alcohol Test (Urine)

The highly precise EtG (Ethyl Glucuronide) urine test uncovers alcohol intake extending up to 80 hours later. Courts, rehabilitation entities, and regulation monitoring agencies leverage this test for its accuracy and reliability, granting a more prolonged detection scope than typical urine measures.

Breath Alcohol Test

A breath alcohol test reflects existing impairment by quantifying alcohol concentration in deep lung air, utilizing DOT-approved breath alcohol devices (EBTs) yielding immediate, valid results necessary for DOT-covered staff, worksite checks, post-incident evaluation, and justified suspicion scenarios.

Blood Alcohol Test

The blood alcohol test evaluates ethanol content directly within the bloodstream, prized for its unparalleled accuracy. Hospital settings, law enforcement, and legal frameworks command this test's use, particularly within DUI evaluations, urgent medical situations, and precise legal inquiries.

PEth Alcohol Blood Test

A PEth (Phosphatidylethanol) blood test distinguishes recurrent or excessive alcohol intake via identifying alcohol-specific biomarkers in red blood cells, detecting usage up to 2-3 weeks. Valued amongst family law, monitoring ordinances, treatment schedules, and safety-inclined pre-employment scenarios for its insight into long-term drinking conduct.

ETG Alcohol Test (Hair)

Extending to a 90-day window, the EtG hair alcohol test analyzes alcohol metabolites entrenched within the hair, suitable for recognizing ongoing or habitual drinking habits rather than sporadic consumption. Legal, child custody, and long-term initiatives particularly covet this method's stability, precision, and resistance against short-term abstinence acts.

With expert guidance, nationally accredited labs, and fast scheduling assurance, Accredited Drug Testing makes sure all alcohol testing pathways offer definitive, comprehensible, and regulatory-compliant results; assisting individuals and employers to remain informed, protected, and fully compliant with regulations in Schertz, TX and nationwide.


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

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

Smooth and Seamless

I use their service for new hire and DOT employee's. Spoke with Taisha Walker this morning, and she was very helpful. She made the process smooth and seamless.

Christina Galdos - 3/9/2025

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

Fast and easy

It was fast and easy a pleasure to talk to the customer service people great service

Peter Villegas - 1/19/2025

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


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(800) 221-4291