Drug Screening Near Me - Lago, TX

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

With 33 testing centers in the Lago 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.

33 Drug-Testing Centers in Lago

Minutes Away, Test Today

351 N Sam Houston Blvd

3.36 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
351 N Sam Houston Blvd
San Benito, TX 78586

512 Victoria Ln Ste 7

6.28 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
512 Victoria Ln Ste 7
Harlingen, TX 78550

1901 Bell St Ste B

7.07 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1901 Bell St Ste B
Harlingen, TX 78550

1402 S M St Ste 3

8.82 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1402 S M St Ste 3
Harlingen, TX 78550

721 W Harrison Ave

9.00 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
721 W Harrison Ave
Harlingen, TX 78550

1214 Dixieland Rd Ste 8

9.28 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1214 Dixieland Rd Ste 8
Harlingen, TX 78552

1214 Dixieland Rd Ste 8

9.28 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1214 Dixieland Rd Ste 8
Harlingen, TX 78552

5505 S Expressway 77 Ste 103

10.11 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5505 S Expressway 77 Ste 103
Harlingen, TX 78550

300 Lorenaly Dr Ste C

10.12 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
300 Lorenaly Dr Ste C
Brownsville, TX 78526

1601 E Alton Gloor Blvd Ste 109

10.71 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1601 E Alton Gloor Blvd Ste 109
Brownsville, TX 78526

216 N Ed Carey Dr Ste 1

11.98 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
216 N Ed Carey Dr Ste 1
Harlingen, TX 78550

425 E Los Ebanos Blvd Ste 100-104

12.39 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
425 E Los Ebanos Blvd Ste 100-104
Brownsville, TX 78520

1755 W Price Rd

12.73 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
1755 W Price Rd
Brownsville, TX 78520

2031 E Price Rd Ste C

12.79 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
2031 E Price Rd Ste C
Brownsville, TX 78521

500 Paredes Line Rd Ste 6

13.29 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
500 Paredes Line Rd Ste 6
Brownsville, TX 78521

864 Central Blvd Ste 900

13.30 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
864 Central Blvd Ste 900
Brownsville, TX 78520

2952 Boca Chica Blvd

14.31 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
2952 Boca Chica Blvd
Brownsville, TX 78521

3302 Boca Chica Blvd Ste 109

14.49 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3302 Boca Chica Blvd Ste 109
Brownsville, TX 78521

5235 Southmost Rd

17.29 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5235 Southmost Rd
Brownsville, TX 78521

1200 State Highway 100 Ste 5

18.63 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1200 State Highway 100 Ste 5
Port Isabel, TX 78578

1100 N Expressway # 83 Ste 3

20.76 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1100 N Expressway # 83 Ste 3
Brownsville, TX 78521

1221 East 10th St, Suite 101-a

22.88 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1221 East 10th St, Suite 101-a
Weslaco, TX 78596

1710 E 8th St

22.96 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1710 E 8th St
Weslaco, TX 78596

1102 S Airport Bldg 2

23.01 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1102 S Airport Bldg 2
Weslaco, TX 78596

624 N Tio Ave Ste B

23.17 mi
🕑 Testing Hours: Mon–Fri: 9:00 AM-4:00 PM✓ Walk-in with Electronic Donor Pass
624 N Tio Ave Ste B
Weslaco, TX 78596

7701 Yvette Cir Ste 2

23.85 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
7701 Yvette Cir Ste 2
Mercedes, TX 78570

2602 W Expressway 83 Ste 2

24.00 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2602 W Expressway 83 Ste 2
Weslaco, TX 78596

1210 W Expressway 83 Ste B

24.00 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1210 W Expressway 83 Ste B
Weslaco, TX 78596

3808 Padre Blvd

27.39 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3808 Padre Blvd
South Padre Island, TX 78597

336 S 8th St

28.94 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
336 S 8th St
Raymondville, TX 78580

165 S 6th St

29.09 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
165 S 6th St
Raymondville, TX 78580

427 E Duranta Ave Ste 103

31.26 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
427 E Duranta Ave Ste 103
Alamo, TX 78516

200 E Interstate 2 Ste Q

36.22 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
200 E Interstate 2 Ste Q
Pharr, TX 78577

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 Lago, TX, assessing a urine sample for drugs and their breakdown products involves using a urine drug screen (UDS). This method is frequently selected in regulated and workplace testing environments due to its practicality being non-invasive and budget-friendly while offering a broad detection range for various substances over an effective timeframe.

  • Ensures regulated testing by maintaining proper chain-of-custody during collection.
  • Capable of identifying original drugs and their metabolites as expelled in urine.
  • Reveals prior drug exposure within a set detection span, without determining current impairment.

Why Organizations Use Urine Drug Screening

  • Pre-employment drug screenings are a key practice in Lago, TX to foster a secure, drug-free working environment.
  • Engagement in random, post-incident, reasonable suspicion, and return-to-duty testing is crucial.
  • Helps in fulfilling regulatory mandates, especially within safety-sensitive sectors.
  • Facilitates monitoring individuals' adherence to prescribed medical treatments or program requirements.

How It Works

Collection

  • The participant provides a urine sample inside a secure container, with procedures adjusting to program-specific protocols whether the sample is witnessed or not. This is particularly relevant in provinces like Lago, TX that emphasize procedural integrity.
  • To confirm specimen authenticity, checks such as creatinine levels, specific gravity, and pH balance are regularly administered.

Testing Methodology

  • An initial immunoassay test is conducted to provide a quick and economical assessment.
  • If the preliminary results indicate possible drug presence, confirmatory tests like GC/MS or LC/MS/MS are conducted to validate findings.
  • In Texas, cutoff levels, measured in nanograms per milliliter (ng/mL), are used to determine whether the result is positive or negative.

Interpreting Results

  • The process begins with an immunoassay screening which offers a quick and economically feasible evaluation in Lago, TX.
  • Confirmatory testing is performed for presumptive positives using methods like GC/MS or LC/MS/MS.
  • The determination of positive or negative outcomes hinges on specific cutoff concentrations expressed in ng/mL.

Detection Windows

In Lago, TX, the detection of substances in urine varies by several factors such as the nature of the substance, frequency of use, metabolic rate, hydration level, body makeup, and the sensitivity of the test. Typically, most substances can be identified for 1-3 days, while chronic use of certain drugs, like cannabinoids, may result in longer detection times.

Critical Considerations for Regulated Programs

  • All federal regulations must be complied with, and only certified laboratories should be used.
  • Collection should be conducted by adequately trained personnel, maintaining strict chain-of-custody measures.
  • Incorporating specimen validity tests deters any tampering or adulteration attempts.
  • A Medical Review Officer (MRO) should review results where necessary.
  • Documenting procedures, preserving records meticulously, and having clear post-positive results actions defined is imperative.

Benefits and Limitations

Benefits

  • Widely regarded as a cost-effective testing process with a broad scope for substance detection across Lago, TX.
  • Offers a balanced detection window suitable for consistent workplace monitoring.

Limitations

Best Practices for Implementation

  • In Lago, TX, establish a transparent written policy covering test reasons, test panels, cutoff thresholds, confidentiality measures, and consequences.
  • Implement a dual-phase approach: conducting a screening assay followed by confirmatory testing if necessary.
  • Educate both employees and donors about the process and their basic expectations.
  • Monitor positivity trends to derive insights for safety and wellness programs.
  • Collaborate with dependable collection networks and accredited laboratories for executing the testing process.

Summary

In Lago, TX, urine drug screening represents a cornerstone for ensuring safety, regulatory adherence, and effective risk management. Through certified procedures, stringent chain-of-custody practices, confirmatory testing, and expert review, organizations depend on UDS to reveal past substance interactions, thereby fostering a secure and productive working environment.





What Is a Hair Drug Screen?

In Lago, TX, hair drug testing involves analyzing a small section of hair to detect drugs and metabolized substances that have circulated in the bloodstream and subsequently become entrained within the hair shaft. Since hair grows at a moderate pace, retaining drug metabolites over several months, it offers the most extended detection windown ideal for identifying prolonged or habitual substance use.

  • This test generally requires between 100 and 120 hair strands cut close to the scalp, typically spanning about 1.5 inches in length.
  • The sample generally represents around a 90-day detection window, though this may vary based on the length of hair available.
  • It enables the examination of a broad array of substances encompassing amphetamines, opioids, cocaine, marijuana, and PCP.

Why Organizations Use Hair Drug Screening

  • Implemented for pre-employment assessments to identify sustained substance use, playing a crucial role in fostering drug-free workspaces, particularly in Lago, TX.
  • Utilized for random or periodic screenings within industries where safety is of utmost importance.
  • Essential in compliance monitoring for both treatment plans and legal program obligations.
  • Confirms long-term abstinence or adherence to corporate drug policies, supporting a reliable workforce.

How It Works

Collection

  • In Lago, TX, a collector, following strict chain-of-custody procedures, cuts a small sample typically from the top crown area of the head.
  • The sample is securely sealed, appropriately labeled, and dispatched to a certified laboratory for examination.
  • If scalp hair is inaccessible, alternative body hair can be used for sampling.

Testing Methodology

  • Samples undergo washing and preparation to remove possible external contaminants before analysis.
  • Initial screening, utilizing immunoassay technologies, helps identify various drug categories effectively.
  • For accurate confirmation of positive screens, advanced methods like GC/MS or LC/MS/MS are employed.
  • A benchmark for cutoff levels is determined in nanograms per milligram (ng/mg), in alignment with SAMHSA and lab protocols.

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

The hair testing method offers the longest window for detecting drug use. A standard sample (1.5 inches of hair) reflects around 90 days of possible substance exposure. Longer hairs can widen this window further, conditional on growth speed (typically 0.5 inches monthly). Hair testing, unlike urine or oral fluid testing, does not unveil very recent drug use (in the last week to ten days).

Important Aspects for Regulated and Non-Regulated Testing in Lago, TX

  • The DOT has not mandated hair tests yet, but regulatory guidance is being evaluated for potential incorporation.
  • Outside DOT regulations, hair testing is a respected approach for long-period drug use detection.
  • Collection should be carried out by trained experts with documented chain-of-custody procedures.
  • Laboratories should be SAMHSA-verified or hold CAP/CLIA accreditation for accuracy and reliability.

Benefits

Limitations

Best Practices for Implementation

  • Create a formal policy detailing when hair testing is utilized and the rationale behind its use.
  • Train testing personnel thoroughly regarding correct sample sizing, collection venues, and sealing methods.
  • Choose laboratories equipped with sophisticated analytical capabilities and adhere to SAMHSA regulations.
  • Inform employees about the differences between hair, urine, and oral fluid assessments to ensure transparency.
  • Uphold confidentiality while maintaining thorough documentation throughout all testing procedures.

Summary

In Lago, TX, hair drug testing stands as a robust and dependable method for unveiling lengthy drug use histories, serving employers, legal proceedings, and rehab programs with an extensive snapshot of an individual's drug behavior. When executed by skilled personnel and analyzed in certified labs, hair tests yield conclusive, tamper-proof results vital for maintaining workplace integrity and safety.

Lago Drug Testing

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

Lago DOT Drug Testing

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

Lago DNA Testing

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

Lago Industry Training

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

Lago Hair Drug Testing

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

Lago Alcohol Testing

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

Lago Drug Testing Services

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

Lago 5 Panel Drug Test

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

Lago 10 Panel Drug Test

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

Lago On Site Drug Testing

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

Lago DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Lago, 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

Very professional and very quick

Very professional and very quick service to schedule appointments! I am pleased with the services and would definitely recommend using them for any drug testing needs!

Carrie Feerick - 4/19/2025

Everything was great

Everything was great, the staff was very polite. Thank you.

Olga Petrova - 9/19/2024

Hassle Free Experience

It was easy to make the arrangements to get to someone in regards to renewing my DOT medical certificate. They took care of everything over the phone which made my experience hassle free. I will definitely be using them again and you should too.

Jim Raymond - 10/18/2024

Fast and easy

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

Peter Villegas - 1/19/2025

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

Fast and efficient service

Fast and efficient service for employers wanting to do pre employment drug screening that meets DOT requirements!!

Mary Thomas - 4/5/2025

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

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

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

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


(800) 221-4291