Drug Screening Near Me - South Houston, TX

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


39 Drug-Testing Centers in South Houston

Minutes Away, Test Today

1001 Texas St Ste 14000.23 miles

1001 Texas St Ste 1400
Houston, TX 77002

1200 Mckinney St Ste 4730.51 miles

1200 Mckinney St Ste 473
Houston, TX 77010

2004 Leeland St1.14 miles

2004 Leeland St
Houston, TX 77003

3300 Crawford St1.85 miles

3300 Crawford St
Houston, TX 77004

107 Yale St Ste 2002.19 miles

107 Yale St Ste 200
Houston, TX 77007

1917 W Gray St2.52 miles

1917 W Gray St
Houston, TX 77019

102 West 11th St2.79 miles

102 West 11th St
Houston, TX 77008

1200 Binz St, Ste 1153.08 miles

1200 Binz St, Ste 115
Houston, TX 77004

5151 Katy Fwy3.14 miles

5151 Katy Fwy
Houston, TX 77007

5151 Katy Fwy Ste 1703.14 miles

5151 Katy Fwy Ste 170
Houston, TX 77007

1213 Hermann Dr Ste 1553.17 miles

1213 Hermann Dr Ste 155
Houston, TX 77004

5711 Almeda Rd, Ste 131b3.26 miles

5711 Almeda Rd, Ste 131b
Houston, TX 77004

5535 Memorial Dr Ste B3.28 miles

5535 Memorial Dr Ste B
Houston, TX 77007

235 W 20th St3.58 miles

235 W 20th St
Houston, TX 77008

427 W 20th St Ste 5043.76 miles

427 W 20th St Ste 504
Houston, TX 77008

635 W 19th St Ste 2033.87 miles

635 W 19th St Ste 203
Houston, TX 77008

6411 Fannin St3.91 miles

6411 Fannin St
Houston, TX 77030

7117 Lyons Ave3.99 miles

7117 Lyons Ave
Houston, TX 77020

1445 North Loop W Ste 7204.00 miles

1445 North Loop W Ste 720
Houston, TX 77008

6624 Fannin St Ste 19804.24 miles

6624 Fannin St Ste 1980
Houston, TX 77030

4615 I 45 Ste 2064.46 miles

4615 I 45 Ste 206
Houston, TX 77002

8799 North Loop E Ste 1104.58 miles

8799 North Loop E Ste 110
Houston, TX 77029

9009 North Loop E Ste 1204.58 miles

9009 North Loop E Ste 120
Houston, TX 77029

3637 W Alabama St Ste 1004.63 miles

3637 W Alabama St Ste 100
Houston, TX 77027

7000 Fannin St Ste 16204.90 miles

7000 Fannin St Ste 1620
Houston, TX 77030

2150 W 18th St5.17 miles

2150 W 18th St
Houston, TX 77008

7515 Main Street, Suite 1905.28 miles

7515 Main Street, Suite 190
Houston, TX 77054

2207 Lazybrook Dr5.36 miles

2207 Lazybrook Dr
Houston, TX 77008

1919 North Loop W Ste 125,5.36 miles

1919 North Loop W Ste 125,
Houston, TX 77008

7580 Fannin St Ste 1805.39 miles

7580 Fannin St Ste 180
Houston, TX 77054

2000 North Loop W Ste 2005.48 miles

2000 North Loop W Ste 200
Houston, TX 77018

5568 Weslayan St5.49 miles

5568 Weslayan St
Houston, TX 77005

9200 Hempstead Rd Ste 1375.66 miles

9200 Hempstead Rd Ste 137
Houston, TX 77008

4635 Southwest Fwy Ste 575w5.82 miles

4635 Southwest Fwy Ste 575w
Houston, TX 77027

1214 N Post Oak Rd Ste 1005.92 miles

1214 N Post Oak Rd Ste 100
Houston, TX 77055

1000 N Post Oak Rd Bldg G Ste 1005.93 miles

1000 N Post Oak Rd Bldg G Ste 100
Houston, TX 77055

900 Broadway St5.97 miles

900 Broadway St
Houston, TX 77012

6969 Gulf Fwy Ste 3706.51 miles

6969 Gulf Fwy Ste 370
Houston, TX 77087

2646 South Loop W Ste 5506.60 miles

2646 South Loop W Ste 550
Houston, TX 77054

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 South Houston, 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

  • In South Houston, TX, pre-employment drug screening is pivotal in fostering a secure, drug-free workplace environment.
  • Random, post-incident, reasonable doubt, and return-to-duty assessments are integral components.
  • Ensures conformity with statutory prerequisites in industries sensitive to safety.
  • Tracks compliance with prescribed medication or therapeutic regimens.

How It Works

Collection

  • In South Houston, TX, the donor submits a urine sample in a secure container, with protocols allowing for either observed or unobserved collection depending on program directives.
  • Validity of the specimen may undergo verification through tests for creatinine levels, specific gravity, and pH.

Testing Methodology

Interpreting Results

  • Begins with an immunoassay screen for a swift and budget-friendly analysis in South Houston, TX.
  • Confirmatory tests (such as GC/MS or LC/MS/MS) are used for any presumptive positive findings.
  • Threshold concentration levels (in ng/mL) are used to establish positive or negative results.

Detection Windows

In South Houston, TX, detection capability varies depending on several factors, including the substance in question, usage frequency, metabolic rate, hydration level, body makeup, and test sensitivity. Generally speaking, many drugs remain detectable for one to three days, with certain substances, such as cannabis under chronic consumption, staying detectable for longer.

Key Considerations for Regulated (e.g., DOT) Programs

  • Adhere to relevant federal standards and work only with certified laboratories.
  • Utilize trained collectors and enforce stringent chain-of-custody protocols.
  • Implement specimen validity controls as a deterrent against tampering or adulteration.
  • Ensure that results, when necessary, are reviewed by a certified Medical Review Officer (MRO).
  • Document procedures accurately, maintain all necessary records, and clearly outline follow-up steps for positive results.

Benefits and Limitations

Benefits

Limitations

  • While valuable, it does not demonstrate real-time impairment, representing a limitation of this testing method.
  • Without confirmation testing, there is potential for false positives or negatives, which may impact decision-making.
  • Recent drug use may fall outside the detection window, thus going undetected, representing a challenge for immediate detection needs.

Best Practices for Implementation

  • Implement a comprehensive written policy that details testing triggers, panels, cutoff values, confidentiality agreements, and consequences of outcomes.
  • Apply a dual-phase approach: initiate with a screening assay and proceed with confirmatory testing when necessary.
  • Inform and educate both employees and donors on the procedure and expectations.
  • Monitor positivity rates to guide initiatives concerning safety and wellness within the workplace.
  • Form partnerships with reliable collection networks and make use of accredited laboratories for consistent, precise results.

Summary

Urine drug screening, a vital practice in South Houston, TX, plays a crucial role in promoting safety, ensuring compliance, and managing risks. With carefully verified procedures, a defensible chain-of-custody, confirmatory analysis, and diligent review by experts, organizations depend on UDS to detect past substance exposure and help preserve a secure and productive environment.





What Is a Hair Drug Screen?

Hair drug screening analyzes meticulously collected strands of hair, enabling the detection of drugs and metabolites once circulated through the bloodstream and embedded within the hair shaft. Owing to the slow growth rate of hair, accompanied by its metabolite retention over several months, this method offers an extended window of detection, proving effective for identifying chronic or long-term substance usage.

  • A typical test requires 100-120 strands cut near the scalp (approximately 1.5 inches in length).
  • This sample reflects a detection period of around 90 days, contingent on hair length.
  • The test is capability-rich, detecting a broad spectrum of substances such as amphetamines, opioids, cocaine, marijuana, and PCP.

Why Organizations Use Hair Drug Screening

  • In South Houston, TX, pre-employment hair testing sheds light on extended substance use, helping employers make informed hiring decisions.
  • Randomized and periodic hair testing can be integral in safeguarding safety-sensitive sectors in South Houston, TX.
  • This testing helps ensure compliance with legal and treatment-related structures.
  • It assists in corroborating lifestyle adherence or conformity to corporate drug-free objectives.

How It Works

Collection

  • A sample (usually taken from the crown area) is collected under documented chain-of-custody practices in South Houston, TX.
  • The collected sample is securely sealed, properly labeled, and dispatched to a certified laboratory for analysis.
  • If needed, alternative collection areas like body hair might be used in the absence of scalp hair.

Testing Methodology

  • In South Houston, TX laboratories, samples are prepped by washing to eliminate external contaminants.
  • Initial testing employs immunoassay techniques to identify broad drug classes.
  • If a positive indication arises, confirmatory testing, such as GC/MS or LC/MS/MS, is employed for precise identification.
  • Cutoff levels, expressed in nanograms per milligram (ng/mg), align with SAMHSA and laboratory criteria.

Interpreting Results

Detection Windows

In South Houston, TX, hair testing boasts the lengthiest detection window among drug testing methods. A standard 1.5-inch sample of hair tends to reflect around 90 days of potential drug use. Longer hair samples can further extend this window, contingent upon a typical growth rate of approximately half an inch each month. Unlike other methods, such as urine or oral fluid testing, hair analysis does not effectively capture drug usage within a very recent period (typically within the past 7–10 days).

Key Considerations for Regulated and Non-Regulated Testing

  • Though not mandated by current DOT regulations, both the Department of Transportation and HHS are assessing potential guidelines for hair testing adoption.
  • For non-DOT programs in South Houston, TX, hair testing is acknowledged as a potent, long-term detection approach.
  • The procedure mandates collection by trained and qualified individuals, governed through a verifiable chain-of-custody.
  • Certification or accreditation under SAMHSA or CAP/CLIA is essential for laboratories to ensure reliable and precise testing.

Benefits

  • Hair testing offers a long detection period, capable of observing use up to 90 days or more.
  • This method is difficult to tamper with or substitute due to the nature of sample collection.
  • Characterizes a distinguishable pattern indicating chronic or recurring drug use.
  • The process of sample collection is quick and non-invasive, not requiring private facilities or restrooms.

Limitations

Best Practices for Implementation

  • Adopt a clear written policy in South Houston, TX defining when and why hair testing will be utilized.
  • Train collection personnel on proper sample amount, collection location, and secure sealing techniques.
  • Choose laboratories with sophisticated analytical skills complying with SAMHSA standards.
  • Educate employees on the distinctions between hair, urine, and oral fluid drug testing.
  • Ensure consistency and confidentiality in documentation throughout all testing procedures.

Summary

In South Houston, TX, hair drug testing stands as a robust and credible technique for identifying long-term drug use, rendering it a worthy avenue for employers, legal authorities, and rehabilitation programs seeking a thorough insight into an individual's drug history. When managed by trained collectors and executed within certified laboratories, hair analysis delivers reliable, tamper-proof results, contributing to upholding workplace integrity and safety.

South Houston Drug Testing

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

South Houston DOT Drug Testing

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

South Houston DNA Testing

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

South Houston Industry Training

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

South Houston Hair Drug Testing

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

South Houston Alcohol Testing

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

South Houston Drug Testing Services

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

South Houston 5 Panel Drug Test

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

South Houston 10 Panel Drug Test

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

South Houston On Site Drug Testing

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

South Houston DOT Physicals

Certified DOT physicals with quick, reliable exams to keep South Houston, 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

Fast,easy and efficient

Fast,easy and efficient. They made the whole process stress free and simple. Thanks 😊

Micheal Ankenbrandt - 2/19/2025

test was quick and easy

Company New Hire Employee Process for DOT Drug test was quick and easy. No need to make appt. All employee had to do is show prepaid qr code I sent to employee show ID and was set. Would Recommend.

Maria Lopez - 11/19/2024

Accredited has been wonderful to work with!

Accredited has been wonderful to work with! My court ordered tests are on a very strange schedule but every time I call, they are quick to schedule me and are always able to find a location that works for where I’m at and when! Thank you for making this rather undesirable situation less stressful and efficient.

Madison Sanderford - 8/19/2024

quick to assist

They are very quick to assist with your orders and they helped when I needed to find a new testing facility.

Gary Matkin - 2/19/2025

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

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

Super Helpful

Detricia was super helpful in making sure that the drug test is sent my worker for was the right one I needed for my company to be compliant with my customers drug test requirements.

Kevin Howell - 12/19/2024

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

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

Quick, knowledgeable and courteous

Quick, knowledgeable and courteous Janelle worked diligently to support me. I am recommending their services to anyone looking.

Greensboro Joseph - 11/19/2024


(800) 221-4291