Drug Test Services - Shenandoah, TX

Urine | Hair | DOT | Oral Fluid | Alcohol/ETG | Occupational Health

With 31 testing centers in the Shenandoah 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.

31 Drug Test Service Centers in Shenandoah

Minutes Away, Test Today

8850 Six Pines Drive, Suite 230

0.35 mi
🕑 Testing Hours: Mon–Fri: 10:00 AM-3:30 PM✓ Walk-in with Electronic Donor Pass
8850 Six Pines Drive, Suite 230
The Woodlands, TX 77380

9250 Pinecroft Dr

0.44 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
9250 Pinecroft Dr
The Woodlands, TX 77380

1011 Medical Plaza Dr Ste 150

0.51 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1011 Medical Plaza Dr Ste 150
Spring, TX 77380

123 Vision Park Blvd

0.84 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
123 Vision Park Blvd
Shenandoah, TX 77384

17350 St Lukes Way Ste 200

1.72 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
17350 St Lukes Way Ste 200
The Woodlands, TX 77384

250 Ed English Lane Bldg 1-b

2.72 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
250 Ed English Lane Bldg 1-b
Shenandoah, TX 77385

1104 Rayford Rd Ste 500

4.07 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1104 Rayford Rd Ste 500
Spring, TX 77386

322 Spring Hill Dr Ste A400

4.13 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
322 Spring Hill Dr Ste A400
Spring, TX 77386

19073 Interstate 45 S

4.72 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
19073 Interstate 45 S
Shenandoah, TX 77385

800 Riverwood Court, Suite 103

7.22 mi
🕑 Testing Hours: Mon–Fri: 10:00 AM-3:30 PM✓ Walk-in with Electronic Donor Pass
800 Riverwood Court, Suite 103
Conroe, TX 77304

100 Medical Center Blvd Ste 114

7.39 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
100 Medical Center Blvd Ste 114
Conroe, TX 77304

25410 Interstate 45 Ste 150

8.10 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
25410 Interstate 45 Ste 150
Spring, TX 77386

2104 Fm 2920 Rd

9.41 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2104 Fm 2920 Rd
Spring, TX 77388

2129 W Davis St Ste D

9.73 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2129 W Davis St Ste D
Conroe, TX 77304

2912 W Davis St Ste 140

9.79 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2912 W Davis St Ste 140
Conroe, TX 77304

3205 W Davis St Ste B-103

9.86 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3205 W Davis St Ste B-103
Conroe, TX 77304

110 Cypress Station Suite 152

10.26 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
110 Cypress Station Suite 152
Houston, TX 77090

5529 Lovetta Rd Ste A, Office 9

10.57 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5529 Lovetta Rd Ste A, Office 9
Spring, TX 77379

1150 N Loop 336 W

10.59 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1150 N Loop 336 W
Conroe, TX 77301

17070 Red Oak Dr Ste 107

11.15 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
17070 Red Oak Dr Ste 107
Houston, TX 77090

2010 Fm 1960 Rd E

11.18 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2010 Fm 1960 Rd E
Houston, TX 77073

710 Fm 1960 Rd W

11.23 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
710 Fm 1960 Rd W
Houston, TX 77090

16903 Red Oak Dr Ste 130

11.28 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
16903 Red Oak Dr Ste 130
Houston, TX 77090

17030 Nanes Dr Ste 108

11.31 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
17030 Nanes Dr Ste 108
Houston, TX 77090

6601 Cypresswood Dr # 231

11.64 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
6601 Cypresswood Dr # 231
Spring, TX 77379

506 Graham Suite 260

11.65 mi
🕑 Facility: Mon–Fri: 07:30 AM - 04:30 PM⚡ Drug Screens: Mon–Fri: 07:30 AM - 04:30 PM
506 Graham Suite 260
Tomball, TX 77375

4015 Interstate 45 N

11.83 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4015 Interstate 45 N
Conroe, TX 77304

2161 Fm 1960 Rd W

11.90 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2161 Fm 1960 Rd W
Houston, TX 77090

13406 Medical Complex Dr Ste 1,

11.99 mi
🕑 Testing Hours: Mon–Fri: 10:00 AM-3:30 PM✓ Walk-in with Electronic Donor Pass
13406 Medical Complex Dr Ste 1,
Tomball, TX 77375

28465 State Highway 249

12.57 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
28465 State Highway 249
Tomball, TX 77375

3648 Fm 1960 Rd W

12.67 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3648 Fm 1960 Rd W
Houston, TX 77068

Employers | Individuals | Families

Accredited Drug Testing provides comprehensive drug and alcohol testing services to promote workplace safety, meet compliance requirements, and support legal or personal needs for testing. Drug Testing helps prevent accidents, ensures a drug-free workplace,and meets Federal mandates such as those outlined by the Department of Transportation (DOT)

Drug Testing Services

Customized Testing Options Available | Discounts available for Bulk Purchases | Onsite Drug Testing Services

Urine Drug Testing Services

Urine drug testing in Shenandoah, Texas is a widely used method to detect the presence of illegal substances or prescription medications in a person's system by analyzing their urine. This non-invasive test can rapidly and accurately screen for recent drug use, providing reliable results that are used in various settings.

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Purpose of Urine Drug Testing

  • Pre-employment screening
  • Compliance with workplace policies
  • Monitoring of rehabilitation programs
  • Law enforcement purposes
  • Sports and athletic compliance
  • Medical evaluations

What Drugs Can Be Detected

  • Cocaine
  • Marijuana
  • Opiates
  • Amphetamines
  • Methamphetamines
  • Benzodiazepines

In Shenandoah, Texas, urine drug testing continues to be a fundamental tool in promoting safety and compliance within various sectors. By identifying substance use effectively, it helps to maintain a drug-free environment and supports health and safety initiatives.

Order Your Test Online

Alcohol Test Services

Alcohol testing in Shenandoah, Texas is crucial for identifying the presence of alcohol in the bloodstream, typically through methods like breath, saliva, urine, or blood testing. This testing is essential in various environments, providing a snapshot of recent alcohol consumption to promote safety and compliance.

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Alcohol Testing is used in many settings

  • Workplaces for employee safety
  • Rehabilitation centers
  • Legal and court situations
  • Sports and athletics
  • Health and wellness checks

Common Methods of Alcohol Testing

  • Breath alcohol tests
  • Blood tests
  • Saliva tests
  • Urine tests
  • Hair alcohol tests

Breath alcohol tests - Used for immediate detection during traffic stops or workplace screenings.

Blood tests - Provide precise levels of BAC and are often used in legal cases.

Saliva tests - Quick and non-invasive, ideal for workplace compliance.

Urine tests - Can detect alcohol use over a more extended period.

Hair alcohol tests - Offer a comprehensive history of alcohol consumption.

Order Your Test Online

Hair Follicle Drug Testing Services

Hair follicle drug testing analyzes strands of hair to identify drug use over extended periods, often up to 90 days. This method requires a small sample and offers a longer detection window compared to other screening types, making it ideal for detailed drug use analysis.

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Why Use Hair Drug Testing?

  • Long detection window
  • Non-invasive collection
  • Hard to adulterate
  • Comprehensive history
  • Reliable results

What Drugs Can Be Detected

  • Cocaine
  • Marijuana
  • Opiates
  • Methamphetamines
  • Ecstasy

In Shenandoah, Texas, hair follicle testing is a robust and effective way to monitor drug use, providing employers and legal entities with crucial information about an individual's substance history.

Order Your Test Online

DOT Drug Testing Services

DOT drug testing is standardized testing mandated by the Department of Transportation for safety-sensitive employees. Designed to ensure public safety, it follows strict guidelines and procedures to assess substance abuse, primarily targeting those operating transportation vehicles.

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Who is Required to Take DOT Drug Tests?

  • Commercial truck drivers
  • Pilots and flight crew
  • Maritime employees
  • Railroad workers
  • Public transit workers
  • Pipeline personnel

What Drugs Are Tested For

  • Marijuana
  • Cocaine
  • Amphetamines
  • Opiates
  • PCP

In Shenandoah, Texas, DOT drug testing is a critical safeguard, ensuring that professionals responsible for public safety are drug-free. By adhering to DOT standards, these tests help maintain a trustworthy transportation network.

Order Your Test Online

Probation Drug Testing Services

Probation drug testing in Shenandoah, Texas serves to monitor individuals' compliance with court orders by screening for drug use. These tests are typically required for those under probation to ensure adherence to the terms and prevent relapse into substance abuse. This vital service offers both judicial and community benefits.

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Why Are Probation Drug Test Services Available?

  • Compliance enforcement: Ensures adherence to legal requirements
  • Recidivism prevention: Reduces the likelihood of reoffending
  • Support rehabilitation: Aids in recovery through monitoring
  • Community safety: Protects public welfare
  • Judicial accountability: Holds individuals responsible

Testing Methods

  • Urine tests: Common and cost-effective
  • Hair follicle tests: Long detection period
  • Saliva tests: Fast and non-invasive
  • Blood tests: Detailed analysis

Ultimately, probation drug testing services in Shenandoah, Texas contribute to a more secure community and support efforts in rehabilitating individuals, empowering them to build a drug-free future.

Order Your Test Online

Court Ordered Drug Testing Services

Court ordered drug testing in Shenandoah, Texas is mandated by the judicial system to enforce legal decisions related to substance use, ensuring compliance through reliable testing methods.

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Why are Court Ordered Drug Test Services Available?

  • Ensure compliance with legal agreements
  • Support rehabilitation efforts
  • Protect community welfare
  • Verify sobriety claims
  • Resolve custodial disputes

Court Ordered Test Methods

  • Urine tests: Standard and cost-effective
  • Hair follicle tests: Detects long-term use
  • Saliva tests: Quick results for recent use
  • Blood tests: Accurate and detailed
  • Nail tests: Reflects recent as well as historical use

In Shenandoah, Texas, these tests uphold legal standards, helping in judicious decision-making to support justice and community safety.

Order Your Test Online

Fingernail Drug Testing Services

Fingernail drug testing in , WI offers an innovative approach for long-term drug use detection. By analyzing clipped nail samples, these tests reveal drug intake histories over extended periods, useful for legal, employment, or personal monitoring. It provides a comprehensive view without invasive procedures.

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What is the Detection Window for Fingernail Drug Tests

  • Fingernails: Effective for detecting drug use over the last 3-6 months.
  • Toenails: May show drug intake spanning 6-12 months.

What Drugs Can Be Detected

  • Marijuana
  • Cocaine
  • Opiates
  • Amphetamines
  • Methamphetamines
  • Benzodiazepines

Advantages over other methods

  • Long detection period
  • Difficult to tamper with
  • Non-invasive collection
  • No special storage requirements
  • Cost-effective compared to other long-term tests

In , Shenandoah, Texas, fingernail testing is appreciated for its accuracy and non-invasive nature, offering valuable insights into drug use patterns.

Order Your Test Online

Occupational Health Test Services

Occupational health testing in Shenandoah, Texas plays a critical role in ensuring that employees meet the job-related fitness and health requirements to maintain workplace safety.

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Purpose of Occupational Health Testing

  • Enhance workplace safety
  • Reduce workplace injury risk
  • Assess medical fitness
  • Comply with legal standards
  • Ensure employee well-being
  • Promote productivity

Common Types of Occupational Health Tests

  • Fitness for duty exams: Assesses physical and mental ability to perform job tasks
  • Respirator Fit Testing: Ensures effectiveness of respiratory protective equipment
  • Pulmonary Function Tests (PFTs): Evaluates lung capacity and airways functionality
  • Tuberculosis (TB): Screens for tuberculosis exposure and risk
  • Vision: Assesses visual acuity related to job tasks
  • Audiometric: Monitors hearing capability to prevent hearing loss

By engaging in occupational health testing, companies in Shenandoah, Texas contribute to a safer, more efficient, and legally compliant work environment.

Order Your Test Online

Drug Statistics for Shenandoah, Texas

Drug-related Statistics in Shenandoah, Texas

  • Shenandoah has seen a moderate increase in drug-related incidents over the past few years, which aligns with broader national trends.
  • The most commonly abused substances in the area include prescription medications, marijuana, and methamphetamines.
  • Local law enforcement and community programs have focused on education and prevention to curb the incidence of substance abuse.
  • Efforts to reduce drug misuse have also included promoting the use of drug take-back programs to safely dispose of unused medications.

Drug Testing Regulations in Texas

Employer drug testing in Shenandoah must comply with state guidelines under Tex. Lab. Code § 411.091. Texas Labor Code § 411.091 mandates written policy distribution for employer drug testing programs while supporting broad pre-employment and random testing rights.

Medical Marijuana Status: Legal (Medical)  |  Recreational Marijuana Status: Prohibited

Surrounding Areas Served Near Shenandoah

Tamina • Oak Ridge • Oak Ridge North • Chateau Woods • The Woodlands • Woodloch • Southeast Montgomery • Spring

Drug & Alcohol Test Selection & Panel Comparison

Test Type / Panel Detection Window Common Applications Turnaround Time
5-Panel Urine Screen 1 to 5 Days Standard Pre-Employment, Random & Workplace Testing 24 to 48 Hours
10-Panel Urine Screen 1 to 7 Days Expanded Employment, Healthcare & Probation 24 to 48 Hours
Hair Follicle Drug Test Up to 90 Days Long-Term Monitoring, Court-Ordered & Custody 3 to 5 Business Days
Oral Fluid / Saliva Screen 1 to 48 Hours Immediate Recent-Use Screening & On-Site Testing 24 to 48 Hours
ETG Alcohol Testing Up to 80 Hours Court-Ordered Alcohol Abstinence & Probation Monitoring 24 to 48 Hours

Shenandoah Drug Testing

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

Shenandoah DOT Drug Testing

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

Shenandoah DNA Testing

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

Shenandoah Industry Training

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

Shenandoah Hair Drug Testing

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

Shenandoah Alcohol Testing

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

Shenandoah Drug Testing Services

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

Shenandoah 5 Panel Drug Test

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

Shenandoah 10 Panel Drug Test

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

Shenandoah On Site Drug Testing

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

Shenandoah DOT Physicals

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

In Texas, workplace drug testing is governed by statutory guidelines under Tex. Lab. Code § 411.091. Private employers generally operate under a Texas Labor Code § 411.091 guidelines, permitting pre-employment, random, post-accident, and reasonable suspicion testing.
Yes. Employers in Texas who implement a certified Drug-Free Workplace Program in compliance with Tex. Lab. Code § 411.091 can qualify for insurance premium discounts and enhanced legal protections during workers' compensation claims.
Under Texas state law compliance standards, state statutes allows broad pre-employment, random, and post-accident testing. Safety-sensitive positions, DOT-regulated roles, and federal contract compliance remain strictly zero-tolerance across all jurisdictions.
Accredited Drug Testing provides access to 0 certified collection sites in the Shenandoah area, offering urine, hair follicle, breath alcohol, and DOT testing.
While walk-ins are welcome with an electronic donor pass at collection sites across Shenandoah, registering your test online or calling (800) 221-4291 prior to visiting guarantees rapid priority specimen collection with an instant barcode pass.
Negative drug and alcohol test results are typically released within 24 to 48 hours of specimen processing. Any non-negative screenings undergo confirmatory GC/MS or LC/MS testing and licensed Medical Review Officer (MRO) verification within 3 to 5 business days.

Customer Reviews

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

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

Explained everything so no questions

Torin was great. Explained everything so no questions

Tony Lombardo - 4/18/2025


(800) 221-4291