Drug Screening Near Me - Red Oak, TX

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

With 32 testing centers in the Red Oak 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.

32 Drug-Testing Centers in Red Oak

Minutes Away, Test Today

102 Brothers Blvd Ste B

1.02 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
102 Brothers Blvd Ste B
Red Oak, TX 75154

2505 W Belt Line Rd

5.18 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2505 W Belt Line Rd
Lancaster, TX 75146

229 E Belt Line Rd Siuite 303

6.63 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
229 E Belt Line Rd Siuite 303
Desoto, TX 75115

911 N Hampton Rd

6.73 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
911 N Hampton Rd
Desoto, TX 75115

911 N Hampton Rd Ste 120

6.73 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
911 N Hampton Rd Ste 120
Desoto, TX 75115

1510 N Hampton Rd Ste 260

7.63 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1510 N Hampton Rd Ste 260
Desoto, TX 75115

1324 Brown St Ste 100

7.67 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1324 Brown St Ste 100
Waxahachie, TX 75165

7910 Beltline Rd

8.50 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
7910 Beltline Rd
Dallas, TX 75254

5790 W Highway 287

8.54 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5790 W Highway 287
Midlothian, TX 76065

1014 Ferris Ave Ste 220

8.65 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1014 Ferris Ave Ste 220
Waxahachie, TX 75165

1405 W Jefferson St

9.09 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1405 W Jefferson St
Waxahachie, TX 75165

201 E Main St Ste 201

9.48 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
201 E Main St Ste 201
Waxahachie, TX 75165

345 N Highway 67

9.53 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
345 N Highway 67
Cedar Hill, TX 75104

39769 Lyndon B Johnson Fwy

9.60 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
39769 Lyndon B Johnson Fwy
Dallas, TX 75237

3430 W Wheatland Rd, Ste 224

9.78 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
3430 W Wheatland Rd, Ste 224
Dallas, TX 75237

2727 Bolton Boone Dr, Suite 106

9.83 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2727 Bolton Boone Dr, Suite 106
Desoto, TX 75115

642 Uptown Blvd

9.89 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
642 Uptown Blvd
Cedar Hill, TX 75104

951 York Dr Ste 105

9.90 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
951 York Dr Ste 105
Desoto, TX 75115

3500 W Wheatland Rd

9.92 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3500 W Wheatland Rd
Dallas, TX 75237

7383 Bonnie View Rd

10.12 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
7383 Bonnie View Rd
Dallas, TX 75241

5520 S Westmoreland Rd Ste 200

10.97 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5520 S Westmoreland Rd Ste 200
Dallas, TX 75237

5201 S Westmoreland Rd

10.97 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5201 S Westmoreland Rd
Dallas, TX 75237

4343 W Camp Wisdom Rd Ste 213

11.16 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4343 W Camp Wisdom Rd Ste 213
Dallas, TX 75237

814 E Camp Wisdom Rd

11.19 mi
🕑 Testing Hours: Mon–Fri: 9:00 AM-6:00 PM✓ Walk-in with Electronic Donor Pass
814 E Camp Wisdom Rd
Duncanville, TX 75116

511 E Interstate 20

12.18 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-8:00 PM • Sat:,Sun: 9:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
511 E Interstate 20
Arlington, TX 76018

214 W Colorado Blvd

16.73 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
214 W Colorado Blvd
Dallas, TX 75208

2201 W Lampasas St

16.96 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2201 W Lampasas St
Ennis, TX 75119

802 W Lampasas St

16.96 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
802 W Lampasas St
Ennis, TX 75119

1200 Dolfie Lane Ste 101

17.08 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1200 Dolfie Lane Ste 101
Ennis, TX 75119

2520 W Interstate 20

17.74 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
2520 W Interstate 20
Grand Prairie, TX 75052

701 Commerce St Ste 205

18.03 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
701 Commerce St Ste 205
Dallas, TX 75202

5224 S State Highway 360, Suite 225

18.18 mi
🕑 Testing Hours: Mon–Fri: 8:30 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
5224 S State Highway 360, Suite 225
Grand Prairie, TX 75052

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?

A comprehensive analysis of a urine sample, commonly referred to as a urine drug screen (UDS), is indispensable for identifying drugs along with their metabolites in one's system. Widely adopted in workplace environments across Red Oak, TX, this method is celebrated for its non-invasiveness, affordability, and its ability to detect a wide array of substances within an effective detection window.

  • Sample collection follows rigorous chain-of-custody protocols for situations requiring regulation.
  • Capable of identifying both the original drug compounds and their metabolic byproducts as expelled in urine.
  • Serves to indicate past substance exposure within a specific detection timeframe, rather than indicating current impairment levels.

Why Organizations Use Urine Drug Screening

  • Red Oak, TX workplaces utilize pre-employment screening to ensure a safe environment devoid of drugs.
  • In scenarios like random checks, post-accident assessments, reasonable suspicions, and return-to-duty screenings, testing is vital.
  • Ensures compliance with guidelines essential to safety-centric industries.
  • Monitoring adherence to prescribed treatments and medication regimens is achieved.

How It Works

Collection

  • The individual provides their urine sample in a secure container, monitored or not based on the program's guidelines in Red Oak, TX.
  • Sample integrity assessments might involve testing for creatinine levels, specific gravity, and acidity.

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

  • Red Oak, TX utilizes the initial immunoassay screen as an efficient and economical method for evaluating samples.
  • Presumptive positive results undergo confirmatory testing, such as GC/MS or LC/MS/MS, to ensure accuracy.
  • The determination of positive or negative outcomes is based on established cutoff concentrations measured in ng/mL.

Detection Windows

Drug detection periods fluctuate based on variables like substance type, consumption frequency, individual metabolic rates, hydration levels, body composition, and test sensitivity. Detection ranges from 1-3 days for many drugs to potentially longer periods for substances like cannabinoids in habitual users.

Important Factors for Regulated Programs in Red Oak, TX

  • Comply with pertinent federal rules, ensuring laboratories are certified.
  • Engage skilled, trained collectors and maintain stringent custody protocols.
  • Incorporate specimen validity assessments to counteract tampering or adulteration.
  • When necessary, involve a qualified Medical Review Officer (MRO) to review outcomes.
  • Maintain meticulous documentation, preserve records, and establish clear procedures for handling positive results.

Benefits and Limitations

Benefits

  • Universally recognized and cost-effective, covering a wide array of substances.
  • The detection window aligns well with monitoring needs within workplace settings in Red Oak, TX.

Limitations

  • Testing does not measure current impairment levels in individuals.
  • Without confirmatory tests, there's a chance for false positives or negatives.
  • Recently consumed drugs may fall outside the detection window and go unnoticed.

Best Practices for Implementation

  • Fashion a clear, written directive in Red Oak, TX detailing reasons for testing, designated panels, specified cutoffs, privacy, and associated consequences.
  • Employ a dual-phase method: initial screening followed by thorough confirmatory analysis.
  • Educate employees and donors regarding the process and expected protocols.
  • Monitor positivity statistics to inform safety strategies and wellness initiatives.
  • Collaborate with reputable collection facilities and accredited diagnostic laboratories.

Summary

In Red Oak, TX, urine drug screening plays a vital role in maintaining safety, complying with regulations, and effectively managing risks. By following certified methodologies, sustaining an incontestable chain-of-custody, conducting confirmatory tests, and ensuring qualified reviews, organizations can depend on UDS to detect prior drug exposure, fostering a safe and efficient work environment.





What Is a Hair Drug Screen?

Hair analysis for drug testing in Red Oak, TX encompasses examining a small hair sample to trace drugs and their metabolites that have coursed through the bloodstream and been deposited in the hair shaft. Due to the slow growth of hair and its capacity to store drug residues for prolonged periods, this method offers one of the most extensive detection windows ideal for identifying chronic or prolonged drug consumption.

  • Typically involves gathering 100–120 strands cut near the scalp (approximately 1.5 inches in length).
  • Represents about a 90-day detection span in Red Oak, TX, contingent on the length of hair.
  • Facilitates testing for a diverse range of substances, including amphetamines, opioids, cocaine, marijuana, and PCP.

Why Organizations Use Hair Drug Screening

  • Utilizing hair testing pre-employment helps ascertain prolonged drug consumption patterns.
  • Ideal for routine or surprise testing within high-risk industries in Red Oak, TX.
  • Essential in monitoring adherence within rehabilitation or judicial frameworks.
  • Serves to verify lifestyle changes or adherence to drug-free workplace policies.

How It Works

Collection

  • A trained collector carefully removes a small sample (usually from near the crown) under strict chain-of-custody procedures in Red Oak, TX.
  • Once collected, this sample is securely sealed, appropriately labeled, and sent off to a certified laboratory for analysis.
  • In cases where scalp hair is insufficient, alternative collection sites, such as body hair, may be considered for sampling.

Testing Methodology

  • Red Oak, TX's procedures ensure hair samples are washed and prepared to eliminate external contamination before testing.
  • An immunoassay technique is first used to screen for various drug classes in Red Oak, TX.
  • In Red Oak, TX, any positive results are confirmed with precise GC/MS or LC/MS/MS technology.
  • The state follows SAMHSA and laboratory guidelines to establish cutoff levels in nanograms per milligram (ng/mg).

Interpreting Results

  • Negative: In Red Oak, TX, testing reveals no drugs or metabolites detected above the laboratory-set cutoff level.
  • Positive: Detection and confirmation of drugs/metabolites occur through secondary testing efforts.
  • Inconclusive/Rejected: The sample may not suffice or might be contaminated, necessitating further collection.

Detection Windows

Hair drug testing offers the most extended detection window available among drug testing methods. By evaluating a standard 1.5-inch hair sample, approximately 90 days of possible drug exposure can be gleaned. Adding longer hair samples potentially extends the detection window further, contingent on the growth rate, which is about 0.5 inches per month. Differing from urine or oral fluid testing, hair analysis does not capture drug use within the immediate past 7–10 days.

Key Considerations for Regulated and Non-regulated Testing in Red Oak, TX

  • Although DOT guidelines presently do not mandate hair testing, continuous reevaluation of regulatory guidelines by the Department of Transportation and HHS may influence future directives.
  • For non-DOT programs, hair testing is recognized as an effective tool for long-term detection.
  • The collection should be entrusted to well-trained and qualified personnel to ensure proper chain-of-custody documentation.
  • Labs employed should possess SAMHSA, CAP, or CLIA certification to guarantee result accuracy and dependability.

Benefits

  • Hair testing boasts a significant detection window, spanning up to 90 days or longer in Red Oak, TX.
  • Compared to urine tests, it is markedly more resistant to tampering or substitution.
  • Its application provides a clear assessment of consistent or repeated drug use.
  • The collection process is swift, minimally invasive, and doesn't necessitate restroom facilities.

Limitations

Best Practices for Implementation

  • Draft and implement a comprehensive written policy that clarifies the application and justification for hair testing.
  • Procedures regarding the proper sample size, collection location, and secure sealing should be communicated to and diligently followed by collectors.
  • Engage with laboratories that possess advanced analytical capabilities and comply with SAMHSA standards.
  • Communicate with employees to clarify the distinct differences and purposes between hair, urine, and oral fluid testing methodologies.
  • Ensure confidentiality is maintained, alongside consistent documentation for all testing-related activities.

Summary

In the scenic realm of Red Oak, TX, hair drug screening emerges as a potent and dependable mechanism for discerning prolonged drug use. This capability makes it an ideal choice for employers, legal systems, and treatment entities desiring a comprehensive snapshot of an individual's drug history. When skillfully conducted by trained collectors and assessed in certified labs, hair testing achieves credible, tamper-proof results that uphold workplace safety and integrity.

Red Oak Drug Testing

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

Red Oak DOT Drug Testing

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

Red Oak DNA Testing

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

Red Oak Industry Training

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

Red Oak Hair Drug Testing

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

Red Oak Alcohol Testing

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

Red Oak Drug Testing Services

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

Red Oak 5 Panel Drug Test

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

Red Oak 10 Panel Drug Test

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

Red Oak On Site Drug Testing

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

Red Oak DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Red Oak, 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

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

ADT was able to get me the best tests

Dealing with allegation’s of drug use that completely false is stressful, ADT was able to get me the best tests, going back the farthest in the same day with as little hassle as possible, I spoke with 1 person and wasn’t transferred once, and they took my payment, and got me my work order for a clinic as close as possible for the service I needed. 5*

Christopher Hansis - 12/19/2024

Extremely polite

They were very fast extremely polite walked you through every detail of the process if you had any questions they had no problems answering

Billy Williams - 2/19/2025

Excellent service!

Excellent service! Trish went above and beyond to find me a testing site as close to my home as possible. Results were faster than expected, as well. Thanks for your help, Trish and Accredited!

Es Hache - 4/13/2025

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

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

Explained everything so no questions

Torin was great. Explained everything so no questions

Tony Lombardo - 4/18/2025

Great service

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

Jesse Dupre - 4/12/2025

Everything was great

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

Olga Petrova - 9/19/2024

Super Easy!

Super easy to set up an appointment through the phone. They walked me through all the steps and found me a location right near my house. Would definitely recommend!

Aldita Lumaj - 1/17/2025


(800) 221-4291