Drug Screening Near Me - La Marque, TX

Employment, DOT, Court Ordered, Personal
Urine| Hair Follicle | Oral Fluid | Blood | ETG

With over 35 testing centers in the La Marque area, we offer drug and alcohol testing for employment, probation and DOT requirements. Additional services include DOT consortium enrollment, DNA Testing and background checks. Order your tests and services online or call (800) 221-4291.

39 Drug-Testing Centers in La Marque

Minutes Away, Test Today

2434 Cedar Dr

0.45 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2434 Cedar Dr
La Marque, TX 77568

3300 Fm 1765 Ste A

0.93 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3300 Fm 1765 Ste A
Texas City, TX 77590

302 34th St South

1.69 mi
🕑 Testing Hours: Mon–Fri: 7:30 AM-4:30 PM✓ Walk-in with Electronic Donor Pass
302 34th St South
Texas City, TX 77590

6801 Emmett F Lowry Expy

1.86 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
6801 Emmett F Lowry Expy
Texas City, TX 77591

7111 Medical Center Drive Suit,

2.08 mi
🕑 Testing Hours: Mon–Fri: 10:00 AM-3:00 PM✓ Walk-in with Electronic Donor Pass
7111 Medical Center Drive Suit,
Texas City, TX 77591

1125 State Highway 3 Ste 180

2.63 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1125 State Highway 3 Ste 180
Texas City, TX 77591

14025 Delaney St,

3.24 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
14025 Delaney St,
La Marque, TX 77568

2600 Fm 1764 Rd Ste 190

4.48 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2600 Fm 1764 Rd Ste 190
La Marque, TX 77568

527 9th Ave N Ste 101

4.53 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
527 9th Ave N Ste 101
Texas City, TX 77590

2106 Fm 517 Rd E

8.24 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2106 Fm 517 Rd E
Dickinson, TX 77539

2920 Todd Rd

8.45 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2920 Todd Rd
Galveston, TX 77554

676 Fm 517 Rd W

8.71 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
676 Fm 517 Rd W
Dickinson, TX 77539

1102 Dickinson Ave

9.66 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1102 Dickinson Ave
Dickinson, TX 77539

2027b 61st St

9.73 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2027b 61st St
Galveston, TX 77551

2724 61st St Ste 1

10.80 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2724 61st St Ste 1
Galveston, TX 77551

2808 61st St Ste 200

10.91 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2808 61st St Ste 200
Galveston, TX 77551

4623 Fort Crockett Blvd

11.52 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4623 Fort Crockett Blvd
Galveston, TX 77551

1108 Gulf Fwy S Ste 230

12.12 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1108 Gulf Fwy S Ste 230
League City, TX 77573

2200 E Nasa Pkwy 1, Ste 220

14.41 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2200 E Nasa Pkwy 1, Ste 220
Nassau Bay, TX 77058

415 Biscayne Blvd

14.44 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
415 Biscayne Blvd
El Lago, TX 77586

1202 Nasa Pkwy

14.67 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
1202 Nasa Pkwy
Houston, TX 77058

1120 Nasa Pkwy Ste 304

14.68 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1120 Nasa Pkwy Ste 304
Houston, TX 77058

561 Medical Center Blvd.,

15.07 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
561 Medical Center Blvd.,
Webster, TX 77598

7111 Medical Center Dr Ste 200

15.14 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
7111 Medical Center Dr Ste 200
Texas City, TX 77591

250 Blossom St Ste 270

15.35 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
250 Blossom St Ste 270
Webster, TX 77598

700 Gemini Avenue Suite 110

15.73 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
700 Gemini Avenue Suite 110
Houston, TX 77058

3354 E Fm 528 Rd

15.78 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3354 E Fm 528 Rd
Friendswood, TX 77546

1505 Winding Way Dr Ste 218

16.31 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1505 Winding Way Dr Ste 218
Friendswood, TX 77546

Memorial Hermann Medical Group-alvin 252 Bypass 35 N

16.31 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
Memorial Hermann Medical Group-alvin 252 Bypass 35 N
Alvin, TX 77511

3128 S Gordon St

16.76 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3128 S Gordon St
Alvin, TX 77511

1100 Smith Dr

16.95 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1100 Smith Dr
Alvin, TX 77511

628 S Friendswood Dr

17.57 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
628 S Friendswood Dr
Friendswood, TX 77546

125 Sylvan St

19.49 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
125 Sylvan St
La Porte, TX 77571

1009 S Broadway St

19.91 mi
🕑 Testing Hours: Mon–Fri: 7:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
1009 S Broadway St
La Porte, TX 77571

1309 W Fairmont Pkwy Ste X

19.92 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
1309 W Fairmont Pkwy Ste X
La Porte, TX 77571

11800 Astoria Blvd

20.61 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
11800 Astoria Blvd
Houston, TX 77089

2018 Broadway St

20.66 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2018 Broadway St
Pearland, TX 77581

10930 Resource Pkwy # C

20.70 mi
🕑 Facility: Mon–Fri: 08:00 AM - 04:30 PM✓ Walk-in with Electronic Donor Pass
10930 Resource Pkwy # C
Houston, TX 77089

11717 Highland Meadow Dr,

20.80 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
11717 Highland Meadow Dr,
Houston, TX 77089

Nationwide Convenience

Find a drug screening near you in minutes. Our team will schedule your visit and email your authorization form right away, no walk-in confusion.

Trusted Results

Lab-based testing with MRO review available. Chain-of-custody and defensible documentation for employers, legal needs, and compliance.

Fast Turnaround

Rapid screens with same-day results options, plus confirmatory lab testing. Clear timelines and proactive status updates.

Drug Screening Services Near You

Urine Drug Screening

  • 5, 10, 12, 14 panel options
  • Lab-based & rapid screens
  • DOT and non-DOT

Hair Drug Screening

  • 90-day lookback
  • Observed collection
  • Work, court, personal

Oral Fluid Drug Screening

  • On-site friendly
  • Recent-use detection
  • DOT oral fluid coming soon

Specialty Screening Panels

  • Child Guard Exposure
  • Alcohol (EtG/EtS)
  • Custom employer panels

For Employers

  • Pre-employment, random, post-accident, and reasonable suspicion
  • DOT compliance (FMCSA, FAA, FRA, FTA, PHMSA, USCG)
  • Electronic CCF, consolidated reporting, and MRO review
Employer Solutions

For Individuals

  • Personal, court, probation, school, and athletic programs
  • Confidential ordering with clear instructions
  • Results delivered securely
Order a Screening


What Is a Urine Drug Screen?

In the state of La Marque, TX, a urine drug screen (UDS) offers a comprehensive evaluation of a urine sample to identify the presence of drugs and their metabolites. Known for being the most prevalent testing method in workplaces and regulatory settings, its non-invasive nature, cost efficiency, and ability to detect a wide array of substances within a realistic detection time frame contribute to its widespread adoption.

  • Specimens are collected under a rigorous chain-of-custody protocol specifically for regulated testing environments.
  • The test identifies both parent drugs and the metabolites excreted in the urine.
  • It indicates prior drug exposure within the designated detection period rather than assessing current impairment levels.

Why Organizations Use Urine Drug Screening

  • Pre-employment testing in La Marque, TX plays a crucial role in cultivating a secure, drug-free workplace environment.
  • Various testing scenarios include random selections, post-incident analysis, assessments based on reasonable suspicion, and return-to-duty checks.
  • Ensuring compliance with regulations in industries where safety is paramount is a key application.
  • Monitoring adherence to prescribed medications or integrated treatment strategies is fundamental.

How It Works

Collection

  • In La Marque, TX, donors are required to provide their urine samples in secured containers, observing whether they are being monitored or not as dictated by the testing program's parameters.
  • To ensure the integrity of the specimen, validity tests for factors such as creatinine levels, specific gravity, and pH are carried out.

Testing Methodology

Interpreting Results

  • Perform an initial immunoassay screening in La Marque, TX for a speedy and budget-friendly evaluation.
  • Use confirmatory testing methods such as GC/MS or LC/MS/MS for samples showing presumptive positives.
  • Determine a sample's outcome (positive or negative) based on established cutoff levels measured in ng/mL.

Detection Windows

In La Marque, TX, the ability to detect drugs varies based on substance type, usage frequency, metabolism rate, hydration level, body composition, and test sensitivity. Typically, numerous drugs are traceable for 1–3 days; however, certain substances, such as cannabinoids under prolonged use, could be detectable for a more extended period.

Key Considerations for Regulated (e.g., DOT) Programs in La Marque, TX

  • Adhere to pertinent federal regulations and employ certified laboratories.
  • Engage adequately trained and qualified collectors while upholding stringent chain-of-custody protocols.
  • Incorporate specimen validity testing to avert tampering or adulteration.
  • Have outcomes reviewed by a qualified Medical Review Officer (MRO) when necessary.
  • Precisely document procedures, conserve records, and define follow-up measures post-positive outcomes.

Benefits and Limitations

Benefits

  • In La Marque, TX, the approach is widely accepted due to its cost-effectiveness and extensive substance coverage capabilities.
  • A balanced detection window makes it suitable for effective workplace monitoring, maintaining a safe environment.

Limitations

  • In La Marque, TX, this method does not provide real-time impairment indicators.
  • There's a chance of false positives or negatives unless confirmation is obtained.
  • Very recent substance use occurring outside the given detection window may not be detected.

Best Practices for Implementation

  • In La Marque, TX, adopting explicit policies detailing testing purposes, panels, cutoff levels, confidentiality, and subsequent actions is essential.

  • A sequential approach involving initial screening and subsequent confirmatory testing is recommended.

  • Both employees and donors should be educated on the testing process and its expectations.

  • Monitoring positivity trends can offer insights for enhancing safety and wellness initiatives.

  • Collaborate with reputable collection services and laboratories that hold appropriate accreditations.

Summary

In La Marque, TX, urine drug screenings are a foundational asset for ensuring safety, compliance, and effective risk management. By adhering to certified protocols, ensuring unbreakable chain-of-custody processes, and utilizing confirmatory testing coupled with qualified reviews, entities are well-equipped to ascertain prior exposure to substances, thereby sustaining a secure and efficient work environment.





What Is a Hair Drug Screen?

In the state of La Marque, TX, hair drug screening utilizes a small sample of hair to identify drugs and their metabolites that have been present in the bloodstream and subsequently incorporated into the hair shaft. With hair growing at a slow rate and storing drug metabolites for extended periods, this method offers one of the longest detection windows among various testing techniques, making it particularly effective for detecting chronic or long-term drug usage.

  • Typically, 100–120 strands are cut close to the scalp, approximately 1.5 inches of hair length is used for the test.
  • This method can reflect around a 90-day period of potential drug exposure, contingent on the length of hair sampled.
  • In La Marque, TX, a broad array of substances such as amphetamines, opioids, cocaine, marijuana, and PCP can be tested.

Why Organizations Use Hair Drug Screening

  • Utilized in pre-employment screenings to unearth long-term substance use patterns.
  • Employed randomly or periodically for testing within industries sensitive to safety.
  • An imperative tool for monitoring adherence in treatment settings or legal programs in La Marque, TX.
  • Verifies adherence to lifestyle abstinence or compliance with drug-free mandates within organizations.

How It Works

Collection

  • A qualified collector carefully trims a designated sample, usually from the crown area, ensuring adherence to chain-of-custody protocols.
  • The collected sample is securely sealed, clearly labeled, and efficiently dispatched to a certified laboratory.
  • If scalp hair is not sufficient, alternative collection sites such as body hair can be utilized.

Testing Methodology

  • The samples are meticulously cleansed and prepped to eradicate any external contamination.
  • Initially, screening deploys immunoassay technology to identify various drug classes.
  • For positive indications, more precise identification is achievable through GC/MS or LC/MS/MS testing methodologies in La Marque, TX.
  • Cutoff thresholds are established in nanograms per milligram (ng/mg), conforming to SAMHSA and laboratory standards.

Interpreting Results

  • Negative: Denotes non-detection of any drug or metabolite above the lab's cutoff level.
  • Positive: Means the presence of drugs or metabolites confirmed through secondary analysis.
  • Inconclusive/Rejected: Reflects an inadequate or tainted sample, necessitating a recollection.

Detection Windows

In La Marque, TX, hair testing provides the most prolonged detection window available among all drug testing methods. A standard 1.5-inch hair sample typically reflects around 90 days of potential drug interaction. Longer samples may expand this period further based on growth rates, about 0.5 inches monthly. In comparison to urine or oral fluid analyses, hair testing does not catch very recent drug use, usually within the past 7–10 days.

Key Considerations for Regulated and Non-Regulated Testing

  • While DOT regulations currently lack requirements for hair testing, both the Department of Transportation and HHS are continuously appraising guidelines for prospective inclusion.
  • For non-DOT programs, hair testing remains a credible and effective tool for long-term drug detection.
  • Collection should be meticulously executed by adept personnel under documented chain-of-custody regulations.
  • Testing laboratories must hold SAMHSA or CAP/CLIA certification ensuring accuracy and reliability.

Benefits

  • In La Marque, TX, hair testing is favored for its extended detection span of up to 90 days, if not more.
  • This method is resistant to adulteration or substitution, unlike urine samples.
  • Capable of offering a comprehensive understanding of chronic or recurring usage patterns.
  • Collection is efficient, non-invasive, and doesn't necessitate restroom facilities for sample provision.

Limitations

Best Practices for Implementation

  • Develop a written policy outlining the specific circumstances and rationale for deploying hair testing in La Marque, TX.
  • Ensure collectors are proficient in obtaining the correct sample size and site selection, as well as the sealing procedure.
  • Choose laboratories with sophisticated analytical capabilities that comply with SAMHSA standards.
  • Clearly communicate the differences between hair, urine, and oral fluid testing to employees and stakeholders.
  • Maintain high standards of confidentiality and consistency in documentation across all testing activities.

Summary

Hair drug screening stands as a robust method for detecting longtime substance use, making it a valuable option for employers, judicial bodies, and rehabilitation programs. When collection is executed by trained personnel and analyzed in accredited labs, it assures robust, tamper-proof results, supporting workplace safety and integrity in La Marque, TX.

La Marque Drug Testing

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

La Marque DOT Drug Testing

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

La Marque DNA Testing

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

La Marque Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in La Marque, TX.v

La Marque Hair Drug Testing

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

La Marque Alcohol Testing

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

La Marque Drug Testing Services

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

La Marque 5 Panel Drug Test

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

La Marque 10 Panel Drug Test

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

La Marque On Site Drug Testing

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

La Marque DOT Physicals

Certified DOT physicals with quick, reliable exams to keep La Marque, 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.


Frequently Asked Questions

You can order online or call 800-221-4291 for same-day scheduling. After payment, an authorization form is emailed immediately for use at any of our 17,000+ testing centers.
Accredited Drug Testing provides urine, hair, oral fluid, and specialty panels such as EtG alcohol and exposure testing. Both DOT and non-DOT testing options are available nationwide.
Yes. DOT testing follows 49 CFR Part 40, using SAMHSA-certified labs, qualified collectors, strict chain-of-custody, and MRO review for all regulated modes (FMCSA, FAA, FRA, FTA, PHMSA, USCG).
Rapid tests often provide same-day results. Lab-based testing typically reports within 24–72 hours after specimen collection and laboratory analysis.
Yes. All results are handled in accordance with HIPAA and DOT privacy requirements. Accredited Drug Testing never shares personal data without consent or legal obligation.
Absolutely. We support workplace programs, legal and probation requirements, schools, athletics, and private personal testing needs across the United States.

Customer Reviews

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

I love the customer service

I love the customer service. The lady was patient enough to help me book my appointment with ease and ensuring I get the location that's best for me. Keep up the good work!

Elizabeth Chiaka - 9/19/2024

Very easy to get scheduled

Very easy to get scheduled and easy process once checked in and the staff were all extremely friendly! I would recommend this company!

Ronickia Moore - 11/19/2024

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

Friendly and Knowledgeable

I reached out Accredited Drug Testing/Secure Screenings to partner for my drug testing business (Discovery Diagnostics Columbia SC) and the process was extremely easy. I worked with Sicilia who was amazing. She was friendly & knowledgeable, and answer all of my questions with ease.

Kendra Harley - 3/26/2025

Sweet and helpful

Trish was amazing and got me through the sytem very fast and swift. I had a hard time hearing her a couple of times, but she was super sweet and helpful throughout the process. Highly recommend her!

Sophia Schutze - 6/19/2024

This is by far the easiest

This is by far the easiest way to get my lab work ordered and paid for. The phone calls are short and to the point. They don’t try to push extra sales on you and when I walk in to the clinic I simply show my donor pass and with in a matter of minutes I’m done. I will continue to use ADT in the future.

Jason Jackson - 7/19/2025

they have made my job much easier

I always have a good experience setting up company driver drug screens through ADT. I'm really happy I found them while searching online, they have made my job much easier.

Exodus Heath - 2/13/2025

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

Very Fun and Easy

Trish last week and Tatiana this week, very fun and easy folks to deal with. Well be using them more and more in the future.

Tom O - 12/19/2024


(800) 221-4291