Drug Test Services - Northlake, TX

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

With 39 testing centers in the Northlake 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 Test Service Centers in Northlake

Minutes Away, Test Today

2436 S Interstate 35 E Ste 336

8.00 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2436 S Interstate 35 E Ste 336
Denton, TX 76205

725 S Interstate 35 E Ste 188

8.25 mi
🕑 Testing Hours: Mon–Fri: 9:00 AM-6:00 PM✓ Walk-in with Electronic Donor Pass
725 S Interstate 35 E Ste 188
Denton, TX 76205

3000 N Interstate 35

8.25 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3000 N Interstate 35
Denton, TX 76201

2501 W Oak St

8.43 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2501 W Oak St
Denton, TX 76201

3535 S Interstate 35 E Ste 111

8.56 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3535 S Interstate 35 E Ste 111
Denton, TX 76210

3537 S Interstate 35 E Ste 111

8.56 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3537 S Interstate 35 E Ste 111
Denton, TX 76210

3751 S Interstate 35 E

8.71 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
3751 S Interstate 35 E
Denton, TX 76210

4234 N Interstate 35

9.03 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4234 N Interstate 35
Denton, TX 76207

1501 N Elm St

9.47 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1501 N Elm St
Denton, TX 76201

4400 Teasley Ln St 200

9.93 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4400 Teasley Ln St 200
Denton, TX 76210

608 N Bell Ave Ste A

10.20 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
608 N Bell Ave Ste A
Denton, TX 76209

8501 Justin Rd

10.43 mi
🕑 Testing Hours: Mon–Fri: 9:00 AM-4:00 PM • Sat:,Sun: 9:00 AM-1:00 PM✓ Walk-in with Electronic Donor Pass
8501 Justin Rd
Double Oak, TX 75077

3331 Colorado Blvd

10.80 mi
🕑 Facility: Mon–Fri: 07:30 AM - 04:30 PM⚡ Drug Screens: Mon–Fri: 08:30 AM - 11:30 AM, 01:30 PM - 03:30 PM
3331 Colorado Blvd
Denton, TX 76210

2817 S Mayhill Rd, Suite 130

10.87 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-3:00 PM✓ Walk-in with Electronic Donor Pass
2817 S Mayhill Rd, Suite 130
Denton, TX 76208

2401 Westport Pkwy Ste 140

11.02 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2401 Westport Pkwy Ste 140
Fort Worth, TX 76177

4001 Long Prairie Road, Suite 130

12.80 mi
🕑 Testing Hours: Mon–Fri: 9:00 AM-4:00 PM✓ Walk-in with Electronic Donor Pass
4001 Long Prairie Road, Suite 130
Flowermound, TX 75028

260 N Rufe Snow Dr,

13.29 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
260 N Rufe Snow Dr,
Keller, TX 76248

104 S Main St

13.34 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-8:00 PM • Sat:,Sun: 8:00 AM-6:00 PM✓ Walk-in with Electronic Donor Pass
104 S Main St
Keller, TX 76248

720 S Main St

14.10 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-10:00 PM • Sat: 8:00 AM-8:00 PM • Sun: 9:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
720 S Main St
Keller, TX 76248

1559 W Main St

14.62 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-9:00 PM • Sat: 8:00 AM-8:00 PM • Sun: 8:00 AM-7:00 PM✓ Walk-in with Electronic Donor Pass
1559 W Main St
Lewisville, TX 75067

3529 Heritage Trace Parkway, Suite 133

14.86 mi
🕑 Testing Hours: Mon–Fri: 8:30 AM-3:30 PM✓ Walk-in with Electronic Donor Pass
3529 Heritage Trace Parkway, Suite 133
Keller, TX 76244

500 N Valley Pkwy, Suite 110

15.19 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
500 N Valley Pkwy, Suite 110
Lewisville, TX 75067

2315 E Southlake Blvd Ste 110

15.54 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2315 E Southlake Blvd Ste 110
Southlake, TX 76092

540 Surf St

15.65 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
540 Surf St
Lewisville, TX 75067

571 W Main St Ste 110

16.01 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
571 W Main St Ste 110
Lewisville, TX 75507

551 Silicon Dr Ste 100

16.08 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
551 Silicon Dr Ste 100
Southlake, TX 76092

475 W. Elm

16.25 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
475 W. Elm
Lewisville, TX 75057

1650 W College St

16.57 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1650 W College St
Grapevine, TX 76051

600 W Northwest Hwy Ste E

16.60 mi
🕑 Facility: Mon–Fri: 08:00 AM - 05:00 PM⚡ Drug Screens: Mon–Fri: 08:30 AM - 04:00 PM
600 W Northwest Hwy Ste E
Grapevine, TX 76051

1643 Lancaster Dr Ste 223

16.78 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1643 Lancaster Dr Ste 223
Grapevine, TX 76051

1650 W Chapman Dr Suite 500

17.22 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1650 W Chapman Dr Suite 500
Sanger, TX 76266

7630 N Beach St, Suite 156

17.26 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-4:00 PM✓ Walk-in with Electronic Donor Pass
7630 N Beach St, Suite 156
Fort Worth, TX 76137

2355 E Grapevine Mills Cir

17.27 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2355 E Grapevine Mills Cir
Grapevine, TX 76051

1100 S Main St Ste D

17.40 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1100 S Main St Ste D
Grapevine, TX 76051

6000 Colleyville Blvd Ste 150

17.55 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
6000 Colleyville Blvd Ste 150
Colleyville, TX 76034

609 Medical Center Dr East Campus

17.68 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
609 Medical Center Dr East Campus
Decatur, TX 76234

1700 W Business 380

17.68 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1700 W Business 380
Decatur, TX 76234

Po Box 79503

17.70 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
Po Box 79503
Fort Worth, TX 76179

3645 Western Center Blvd

18.52 mi
🕑 Testing Hours: Mon–Fri: 9:00 AM-6:00 PM✓ Walk-in with Electronic Donor Pass
3645 Western Center Blvd
Fort Worth, TX 76137

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 Northlake, Texas is a reliable method used to detect the presence of drugs in an individual's system through urine samples. This non-invasive test is widely recognized for its accuracy and quick results. It's a standard choice for both routine and specific testing needs, ensuring safety and compliance.Learn More

Purpose of Urine Drug Testing

  • Pre-employment screening
  • Random testing for employees
  • Compliance for legal or court orders
  • Post-accident assessments
  • Sports organization requirements

What Drugs Can Be Detected

  • Cannabinoids
  • Opiates
  • Cocaine
  • Amphetamines
  • Barbiturates

In Northlake, Texas, urine drug testing serves as a critical tool for employers, legal authorities, and individuals seeking verified drug use history. With precise detection capabilities, it's a key component in maintaining a drug-free environment.

Order Your Test Online

Alcohol Test Services

Alcohol testing is an essential tool used to determine blood alcohol concentration (BAC) levels in individuals. This test helps identify alcohol use and prevents related risks by assessing impairment levels accurately.

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Alcohol Testing is used in many settings

  • Law enforcement
  • Workplace safety
  • Rehabilitation centers
  • Healthcare facilities
  • College campuses

Common Methods of Alcohol Testing

  • Breath test
  • Blood test
  • Urine test
  • Saliva test
  • Hair test

Breath test - Used primarily at traffic stops to assess immediate alcohol levels.
Blood test - Provides comprehensive BAC analysis, often used in medical or legal settings.
Urine test - Detects past alcohol consumption over a longer timeframe.
Saliva test - Offers quick results for recent use detection.
Hair test - Detects long-term alcohol use patterns.

Alcohol testing in DC ensures public safety and supports enforcement of alcohol consumption regulations, making it invaluable for institutions and individuals alike.

Order Your Test Online

Hair Follicle Drug Testing Services

Hair follicle drug testing in , CO is a widely used method for detecting drug use over a longer period, typically up to 90 days. This test analyzes small hair samples for traces of drug molecules incorporated into hair shafts, making it highly effective for patterns of substance use.

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Why Use Hair Drug Testing?

  • Long detection window
  • High accuracy rates
  • Non-invasive sample collection
  • Difficult to adulterate
  • Analyzes chronic use
  • Preferred for court orders

What Drugs Can Be Detected

  • Cocaine
  • Marijuana
  • Amphetamines
  • Opiates
  • Methamphetamines
  • Phencyclidine (PCP)

In , Northlake, Texas, hair follicle drug testing is a reliable and secure method widely used by employers and legal entities to ensure compliance and safety across various sectors.

Order Your Test Online

DOT Drug Testing Services

DOT drug testing in Northlake, Texas follows strict federal regulations designed to ensure a drug-free transportation workforce. The test primarily involves urine samples and covers several drugs for drivers, pilots, and others in safety-sensitive positions. It's crucial for maintaining public safety and compliance with Department of Transportation requirements.

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Who is Required to Take DOT Drug Tests?

  • Bus drivers
  • Truck drivers
  • Train engineers
  • Pipeline workers
  • Air traffic controllers
  • Merchant mariners

What Drugs Are Tested For

  • Cocaine
  • Marijuana
  • Opioids
  • Phencyclidine (PCP)
  • Amphetamines

By conducting DOT drug tests in Northlake, Texas, industry leaders ensure that all safety-critical personnel maintain readiness to perform their duties safely, upholding the highest standards of integrity and safety in public and private transportation sectors.

Order Your Test Online

Probation Drug Testing Services

Probation drug testing in , CO involves assessing probationers for illegal substance use as part of compliance monitoring. This testing is typically mandated by the court and involves various biological samples to ensure individuals remain substance-free throughout their probation.

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Why Are Probation Drug Test Services Available?

  • Ensure compliance: Verifies adherence to probation terms.
  • Rehabilitation support: Encourages sobriety.
  • Public safety: Reduces substance abuse consequences.
  • Prevent recidivism: Discourages repeat offenses.
  • Accountability: Holds individuals responsible.
  • Monitoring progression: Tracks rehabilitative progress.

Testing Methods

  • Urine tests: Most common for general screening.
  • Hair follicle tests: Extended detection window.
  • Saliva tests: Immediate detection for recent use.
  • Blood tests: Highly accurate for specific scenarios.

Probation drug testing in Northlake, Texas ensures that individuals adhere to legal requirements and contribute positively to their communities.

Order Your Test Online

Court Ordered Drug Testing Services

Court ordered drug testing in Northlake, Texas mandates individuals to undergo drug testing as part of judicial proceedings. This testing ensures adherence to legal requirements and monitoring of individuals, especially in family, criminal, and dependency cases, to promote rehabilitation and compliance with court orders.
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Why are Court Ordered Drug Test Services Available?

  • Ensuring legal compliance
  • Monitoring for substance abuse recovery
  • Protecting family and child welfare
  • Deterrence against future use
  • Facilitating fair judicial outcomes

Court Ordered Test Methods

  • Urine tests: Commonly used for initial testing.
  • Hair follicle tests: Provides a long detection window.
  • Saliva tests: Detects recent drug use effectively.
  • Blood tests: Offers high precision for recent use.
  • Nail tests: Captures long-term usage history.

Northlake, Texas relies on court ordered drug testing to maintain transparency and enforce accountability during legal processes, aiding in the reform and rehabilitation of offenders.

Order Your Test Online

Fingernail Drug Testing Services

Fingernail drug testing in Northlake, Texas is a unique method that tracks drug consumption history over extended periods by analyzing keratin in the nails. This method is less invasive, difficult to tamper with, and offers comprehensive insight into long-term substance use patterns.Learn More

What is the Detection Window for Fingernail Drug Tests

  • Fingernails: Capture drug use history of up to six months.
  • Toenails: Provide an even longer monitoring window.

What Drugs Can Be Detected

  • Opiates
  • Cocaine
  • Amphetamines
  • Marijuana
  • Methamphetamines

Advantages Over Other Methods

  • Extensive detection period
  • Permanent record retention
  • Difficult to adulterate
  • Minimal sample required
  • Non-invasive collection

Fingernail drug testing in Northlake, Texas offers a wide scope for understanding drug intake patterns over time, beneficial for both personal introspections and professional monitoring.

Order Your Test Online

Occupational Health Test Services

Occupational health testing in , Northlake, Texas encompasses a variety of assessments to ensure workplace safety and employee health. These tests can include drug screenings, physical exams, and specific health assessments tailored to job requirements.

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Purpose of Occupational Health Testing

  • Ensure employee fitness for duty
  • Prevent workplace injuries
  • Meet regulatory compliances
  • Promote health and well-being
  • Reduce healthcare costs

Common Types of Occupational Health Tests

  • Fitness for duty exams: Assesses ability to perform job tasks
  • Respirator Fit Testing: Ensures proper equipment function
  • Pulmonary Function Tests (PFT's): Evaluates lung function
  • Tuberculosis (TB): Screens for TB infection
  • Vision: Tests for visual acuity or impairments
  • Audiometric: Measures hearing ability

Occupational health testing in , Northlake, Texas is instrumental in fostering a safe and compliant work environment, contributing to both the well-being of employees and business success.

Order Your Test Online

Drug Statistics for Northlake, Texas

Drug-related statistics for Northlake, Texas reflect trends observed in many communities across the United States. While specific local data may not be widely published, general observations align with national patterns of substance use and management efforts. Community initiatives, in collaboration with local authorities, are vital in addressing these concerns effectively.

Efforts to increase awareness and provide resources for prevention and treatment play a critical role in managing drug-related challenges. By focusing on education and offering support networks, Northlake aims to reduce the impact of substance use on individuals and families, contributing to a healthier community overall.

Drug Testing Regulations in Texas

Employer drug testing in Northlake 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 Northlake

Dish • Corral City • Justin • Ponder • Argyle • Marshall Creek • Bartonville • Roanoke

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

Northlake Drug Testing

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

Northlake DOT Drug Testing

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

Northlake DNA Testing

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

Northlake Industry Training

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

Northlake Hair Drug Testing

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

Northlake Alcohol Testing

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

Northlake Drug Testing Services

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

Northlake 5 Panel Drug Test

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

Northlake 10 Panel Drug Test

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

Northlake On Site Drug Testing

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

Northlake DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Northlake, 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 Northlake area, offering urine, hair follicle, breath alcohol, and DOT testing.
While walk-ins are welcome with an electronic donor pass at collection sites across Northlake, 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