Drug & Alcohol Testing Near Me - Corpus Christi, 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

29 Drug-Testing Centers in Corpus Christi

Minutes Away, Test Today

710 Buffalo St Ste 810 Park Tower Building0.25 miles

710 Buffalo St Ste 810 Park Tower Building
Corpus Christi, TX 78401

1521 S Staples St Ste 1031.75 miles

1521 S Staples St Ste 103
Corpus Christi, TX 78404

2601 Hospital Blvd, Suite 1042.00 miles

2601 Hospital Blvd, Suite 104
Corpus Christi, TX 78405

3933 Up River Rd2.50 miles

3933 Up River Rd
Corpus Christi, TX 78408

4544 Baldwin Blvd Ste E3.02 miles

4544 Baldwin Blvd Ste E
Corpus Christi, TX 78408

3133 S Alameda Street, Suite 5003.04 miles

3133 S Alameda Street, Suite 500
Corpus Christi, TX 78404

2209 N Padre Island Dr Ste O4.39 miles

2209 N Padre Island Dr Ste O
Corpus Christi, TX 78408

4737 Larcade Dr4.54 miles

4737 Larcade Dr
Corpus Christi, TX 78415

4201 Driftwood Pl4.70 miles

4201 Driftwood Pl
Corpus Christi, TX 78411

4455 Spid Ste 214.93 miles

4455 Spid Ste 21
Corpus Christi, TX 78411

3403 S Padre Island Dr Ste 3015.15 miles

3403 S Padre Island Dr Ste 301
Corpus Christi, TX 78415

3817 S Padre Island Dr5.42 miles

3817 S Padre Island Dr
Corpus Christi, TX 78415

3825 S Padre Island Dr5.42 miles

3825 S Padre Island Dr
Corpus Christi, TX 78415

4025 S Padre Island Dr5.51 miles

4025 S Padre Island Dr
Corpus Christi, TX 78411

4455 S Padre Island Dr Ste 95.75 miles

4455 S Padre Island Dr Ste 9
Corpus Christi, TX 78411

4637 S Padre Island Dr5.82 miles

4637 S Padre Island Dr
Corpus Christi, TX 78411

1605 Us Highway 181 Ste D6.37 miles

1605 Us Highway 181 Ste D
Portland, TX 78374

308 Creay St Bldg 11526.80 miles

308 Creay St Bldg 1152
Corpus Christi, TX 78449

3325 Saratoga Blvd Ste 2306.83 miles

3325 Saratoga Blvd Ste 230
Corpus Christi, TX 78415

1500 Wildcat Dr Ste M7.54 miles

1500 Wildcat Dr Ste M
Portland, TX 78374

5722 Esplanade Dr Ste 1017.79 miles

5722 Esplanade Dr Ste 101
Corpus Christi, TX 78414

5536 Saratoga Blvd7.93 miles

5536 Saratoga Blvd
Corpus Christi, TX 78413

7326 S Staples St7.98 miles

7326 S Staples St
Corpus Christi, TX 78413

2413 Memorial Pkwy8.42 miles

2413 Memorial Pkwy
Portland, TX 78374

7406 Up River Rd8.79 miles

7406 Up River Rd
Corpus Christi, TX 78409

9708 S Padre Island Dr Ste B10010.70 miles

9708 S Padre Island Dr Ste B100
Corpus Christi, TX 78418

9708 S Padre Island Dr Ste B-10110.70 miles

9708 S Padre Island Dr Ste B-101
Corpus Christi, TX 78418

11559 Leopard St12.50 miles

11559 Leopard St
Corpus Christi, TX 78410

13310 Leopard St Ste 614.61 miles

13310 Leopard St Ste 6
Corpus Christi, TX 78410

Drug Testing Near Me

Comprehensive Drug Testing Solutions Across Corpus Christi, TX and Beyond

Searching for reliable drug testing services near you? Look no further than Accredited Drug Testing, Inc., a leading name across the United States, including the great state of Corpus Christi, TX. With an impressive network of over 20,000 locations nationwide, we provide same-day drug and alcohol testing that meets the requirements of various needs including DOT-regulated tests, court-mandated screenings, pre-employment drug tests, and personal assessments.

Scheduling a test with us is a breeze, ensuring both speed and confidentiality. Call us at (800) 221-4291 or schedule online 24/7 to locate a convenient drug testing center close by. Our certified collection sites offer precise and reliable outcomes, ensuring compliance with both federal and state standards. When it comes to ensuring safety and compliance, Accredited Drug Testing is committed to delivering trusted and timely results, providing you with the peace of mind you need.

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 remains the predominant method for screening drugs in the United States, particularly as it is the exclusive approved procedure for DOT-regulated drug testing under 49 CFR Part 40. This technique identifies recent substance intake by examining urine for drugs, metabolites, or alcohol indicators. The method is standardized, ensures confidentiality, and is tailored to deliver precise, legally sound results for employers, individuals, and judicial programs within Corpus Christi, TX and nationwide.

Testing Process & Methodology

1. Verifying Donor Identities

Every donor presents an official ID and completes necessary chain-of-custody paperwork before the test is administered.

2. Ensuring a Secure Collection Site

Specimens are collected in a regulated restroom setting to deter tampering. Protocols might include limiting personal belongings, securing water sources, and adding dye to toilet water.

3. Documenting Chain of Custody

Utilizing a recognized Chain of Custody Form (CCF), the sample is meticulously tracked from collection through laboratory analysis, which safeguards its integrity and supports legal defensibility.

4. Conducting Temperature & Validity Checks

Right after collection, specimen temperature and appearance are verified. The laboratory further assesses validity, testing for factors like creatinine levels, pH balance, specific gravity, and the presence of adulterants.

5. Implementing DOT Split Specimen Practices

Under DOT standards, urine samples are divided into two separate vials; one for the primary analysis and the second for retesting if needed. Non-DOT tests require only one vial.

6. Laboratory Screening and Confirmatory Testing

At SAMHSA-certified labs, samples undergo a two-tier analysis:

7. Verification by MRO

A medical review officer scrutinizes non-negative outcomes, confirms results, and consults donors regarding medical explanations before finalizing results.

Timeline for Urine Test Results

Extra time might be required for specific scenarios like shy bladder cases, invalid samples, or additional laboratory and donor follow-up.

Advantages of Urine Drug & Alcohol Screening

Notwithstanding the shorter detection range, urine testing prevails as the most feasible and effective method for screening purposes nationwide.

How Hair Drug Testing Works

Hair drug and alcohol screenings stand as a credible forensic strategy to detect long-term usage frameworks. In contrast to urine testing which reveals recent consumptions, hair analysis evaluates drug metabolites ensconced in the hair shaft, offering a comprehensive 90-day observation span. This approach is invaluable for workplace assessments, legal cases, child custody disputes, and scenarios demanding a broader snapshot of an individual's substance history, with services inclusive in Corpus Christi, TX.

Testing Procedures & Collection Workflow

1. Verification of Donor Identity

Proceedings start once the donor presents a valid government ID, finalizing every essential consent, and custody signatures for viable documentation.

2. Hair Sample Gathering

Expert collectors acquire a compact hair strain - chiefly 100-120 strands - trimmed close to the scalp. Despite the head's crown being the favored site, in its absence, alternate body hair might be harvested courteously, quietly observed throughout.

3. Custodial Chain Documentation

A Hair Drug Test Custody and Control Form is affixed to authenticate the collection, sealing, and transit of the specimen, assuring legally defensible outcomes and preserving integrity throughout testing.

4. Laboratory Conditioning & Analysis

In the lab, hair samples navigate several forensic phases:

  • Decontamination: Erasure of exterior contaminants, like smoke residue or environs.
  • Sectioning/Grinding: Hair is segmented or pulverized prepping for extraction.
  • Extraction: Drug metabolites are chemically retrieved from within the hair matrix.

The sample is then scrutinized utilizing advanced testing techniques:

  • Initial Screening - Immunoassay evaluations spotlight drug categories.
  • Verification Testing - GC/MS or LC/MS apparatuses affirmed specific drugs/metabolites with technical accuracy.

5. Metabolite Detection

While the hair nurtures, drug remains preserve within its shaft yielding a staunch long-term consumption record, rendering hair testing remarkably secure against tampering or deceit.

6. MRO Analysis

Appointed Medical Review Officers evaluate all non-negative data for compliance, cognize possible healthcare justifications, thereafter issuing the certified final inference.

Timeline for Hair Test Results

  • Standard Hair Testing: 2-3 business days post-sample arrival at the lab.
  • Intricate Panels/Alcohol Testing (EtG/FAEE): Determinable over a 3-5 business day stretch based on the test module.

Despite the protracted laboratory processes involved in hair testing, its steadfast detection reliability surpasses urine testing alternatives considerably.

Advantages of Hair Drug & Alcohol Testing

  • 90-day detection latitude reflecting enduring substance consumption.
  • Extremely impregnable against counterfeiting or tampering stratagems.
  • Charts regular, sporadic, or ceased drug usage patterns.
  • Favored in legal contests, child custody determinations, and regulatory adherences.
  • Non-invasive and rapidly executed collection.
  • Currently, no DOT regulated approvals exist for hair testing criteria.

Constraints of Hair Drug & Alcohol Testing

  • Incumbent challenges spotting very recent uses (5-7 days ensuing consumption).
  • Carries heftier expenses when estimated against urine or oral fluids tests.
  • Body hair unable to provide definite detection intervals.
  • Substances integrate with hair variably influenced by hair types and maturity rates.
  • Though possessing certain limitations, hair testing endures as a premium method for discerning chronic substance consumptions, enacted extensively by employers, legal authorities, and individual users demanding credible tamper-protected outcomes.

Alcohol & Drug Testing-How Each Method Works

Operating in Corpus Christi, TX, Accredited Drug Testing facilitates a full gamut of alcohol and substance monitoring methodologies tailored for organizational, DOT, legal, and personal prerequisites. Comprehending each test's mechanism is pivotal for apt selection, steadfast results, and steadfast compliance with federal and state mandates. Backed by a nationwide fabric of labs, accredited facilities, and adept Medical Review Officers, we deliver the assured accuracy and integrity required for credible testing protocols.

Urine-Based Alcohol Test

A urine alcohol assessment discerns recent alcohol intake by spotting ethanol byproducts present in urine. Adept for labor screening, judiciary orders, and post-mishap protocols, it doesn't gauge real-time impairment. It offers a concise detection window spanning several hours, marking it a swift, budget-efficient screening choice.

EtG Alcohol Test (Urine)

The EtG urine assessment unveils alcohol consumption up to 80 hours post-use with enhanced sensitivity. EtG being a primary byproduct of ethanol renders this test immensely utilized by courts, recovery setups, and compliance overseeing agencies for its lengthy detection span and acknowledged precision.

Alcohol Breath Analyzer

With a breath alcohol detector, current intoxication is estimated via analyzing alcohol levels from deep lung air exhalations. Employing DOT-sanctioned equipment, these evaluations yield immediate, defensible readings. Breath assessments remain pivotal for DOT-ordinated staff, workplace surveillance, post-incident, and inferred causation evaluation settings.

Blood Alcohol Examination

Assessing ethanol circulation in the bloodstream directly, a blood alcohol test ranks amongst the most precise for diagnosing impairment. It's trusted by healthcare setups, policing authorities, and litigation bodies owing to its accuracy, notably within DUI investigations, emergencies, and critical legal scrutinies.

PEth Blood Analysis for Alcohol

Innovatively, a PEth blood test denotes chronic or excessive drinking habits by uncovering alcohol biomolecules embedded in erythrocytes. Noted for unveiling usage over 2-3 weeks, it's lauded as among the most steadfast for validating prolonged drinking conduct. Favorable in family law, compliance frameworks, rehabilitation hubs, and hiring assessments especially pertaining to sensitive roles.

EtG Alcohol Test (Hair)

Administering a hair EtG alcohol test extends a 90-day detection scope via scrutinizing tracers embedded within the hair shaft, pointing at habitual or consistent consumption patterns. This method is vital in legal disputes, custody battles, and extended evaluations, respected for its consistency, precision, and resistance to short-lived hiatuses.

Through expert advice, certified labs, and swift arrangements, Accredited Drug Testing guarantees that each alcohol evaluation method delivers defended, clear, and compliant outcomes, assisting Corpus Christi, TXn citizens and businesses in staying informed, secure, and adherent to regulatory standards.


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

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

Super helpful

Customer service was surprisingly super helpful and so nice. She was able to get me in at a local location right away the same day. She helped me figure out exactly what I needed. Very impressed.

Brook - 9/19/2024

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

Super helpful and courteous

I've had to use this service twice for out of state physicians we've hired and both times it was super easy. Both customer service reps I spoke with were super helpful and courteous. I won't hesitate to use their service again if needed.

Alicia Rau - 6/19/2024

Great service

Great service easy use quick processing! Need a hair follicle for my DCFS case , quick and convenient!

Jesse Dupre - 4/12/2025


Sources


Corpus Christi Drug Testing

Quickly find trusted local drug testing centers in Corpus Christi, TX — fast, convenient, and reliable every time!

Corpus Christi DOT Drug Testing

Quickly find a local DOT drug testing center in Corpus Christi, TX — fast, reliable, convenient nationwide service!

Corpus Christi DNA Testing

DNA testing for legal and non-legal purposes including child support, and child custody around Corpus Christi, TX.

Corpus Christi Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in Corpus Christi, TX.v

Corpus Christi Hair Drug Testing

Get fast, accurate hair drug testing at our convenient Corpus Christi, TX locations—results you can trust, every time!

Corpus Christi Alcohol Testing

Fast, reliable alcohol testing to keep your workplace safe and compliant every single day in Corpus Christi, TX.

Corpus Christi Drug Testing Services

Reliable nationwide drug testing services ensuring accuracy, compliance, and quick results for businesses and individuals in Corpus Christi, TX.

Corpus Christi 5 Panel Drug Test

Accurate 5 panel drug testing with fast, confidential results—trusted by Corpus Christi, TX employers and individuals nationwide.

Corpus Christi 10 Panel Drug Test

Comprehensive 10 panel drug testing with fast, reliable results—trusted for Corpus Christi, TX workplace and personal testing needs.

Corpus Christi On Site Drug Testing

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

Corpus Christi DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Corpus Christi, TX 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