Drug Test Services - Derby, TX

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

With 33 testing centers in the Derby 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 Test Service Centers in Derby

Minutes Away, Test Today

217 E Salinas St

7.14 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
217 E Salinas St
Dilley, TX 78017

2200 S Interstate 35

7.31 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2200 S Interstate 35
Pearsall, TX 78061

2841 Fm 117 N

7.60 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2841 Fm 117 N
Dilley, TX 78017

710 N Main

7.92 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
710 N Main
Dilley, TX 78017

158 Medical Dr

8.69 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
158 Medical Dr
Pearsall, TX 78061

325 N Cherry St

8.78 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
325 N Cherry St
Pearsall, TX 78061

320 Berry Ranch Rd

9.18 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
320 Berry Ranch Rd
Pearsall, TX 78061

401 Lone Star Rd

23.31 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
401 Lone Star Rd
Cotulla, TX 78014

102 Frio

23.90 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
102 Frio
Cotulla, TX 78014

207 Tilden

24.02 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
207 Tilden
Cotulla, TX 78014

204 S Main St

24.03 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
204 S Main St
Cotulla, TX 78014

105 S Stewart St

24.15 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
105 S Stewart St
Cotulla, TX 78014

608 Fowlerton Rd

31.27 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
608 Fowlerton Rd
Tilden, TX 78072

1905 Highway 97 E

35.00 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1905 Highway 97 E
Jourdanton, TX 78026

1105 Oak St Ste A

36.94 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1105 Oak St Ste A
Jourdanton, TX 78026

2106 W Oaklawn Rd

38.75 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2106 W Oaklawn Rd
Pleasanton, TX 78064

3100 Avenue E

38.96 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3100 Avenue E
Hondo, TX 78861

110 Preston St

40.88 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
110 Preston St
Pleasanton, TX 78064

310 W Oaklawn Rd

40.92 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
310 W Oaklawn Rd
Pleasanton, TX 78064

201 S Main St

41.05 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
201 S Main St
Pleasanton, TX 78064

1504 2nd St

41.72 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
1504 2nd St
Pleasanton, TX 78064

11981 South Us 83

41.82 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
11981 South Us 83
Asherton, TX 78827

1713 E State Highway 97

42.21 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1713 E State Highway 97
Pleasanton, TX 78064

308 S Cesar Chavez Ave

42.63 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
308 S Cesar Chavez Ave
Crystal City, TX 78839

1501 Houston St

42.67 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1501 Houston St
Castroville, TX 78009

2843 S Highway 83

46.23 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2843 S Highway 83
Carrizo Springs, TX 78834

409 E Nopal St

47.15 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
409 E Nopal St
Carrizo Springs, TX 78834

401 E Nopal St

47.16 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
401 E Nopal St
Carrizo Springs, TX 78834

609 N 1st St

47.31 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
609 N 1st St
Carrizo Springs, TX 78834

1195 Garner Field Rd Ste 300

49.25 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1195 Garner Field Rd Ste 300
Uvalde, TX 78801

1025 Garner Field Rd

49.37 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1025 Garner Field Rd
Uvalde, TX 78801

3040 E Main St

49.40 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3040 E Main St
Uvalde, TX 78801

2420 E Main St

49.43 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
2420 E Main St
Uvalde, TX 78801

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 is a common method for detecting drug use, involving the collection and analysis of a urine sample to check for the presence of specific substances. It is a non-invasive procedure widely used in various sectors due to its efficiency and reliability in clinical and workplace settings across Derby, Texas.

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Purpose of Urine Drug Testing

  • Employment Screening
  • Compliance with DOT regulations
  • Rehabilitation monitoring
  • Legal and court-related needs
  • Personal testing for peace of mind

What Drugs Can Be Detected

  • Marijuana
  • Cocaine
  • Opiates
  • Methamphetamine
  • PCP

Ultimately, urine drug tests in NH are invaluable tools for ensuring workplace safety, monitoring substance use in rehabilitation, and meeting legal requirements effectively and conveniently.

Order Your Test Online

Alcohol Test Services

Alcohol testing is crucial for determining blood alcohol levels in individuals to ensure safety in various environments. With non-invasive methods available, it offers quick and precise results to monitor sobriety.

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Alcohol Testing is used in many settings

  • Workplace safety compliance
  • Driving under influence checks
  • Rehabilitation monitoring
  • Underage drinking prevention
  • Alcohol-free events verification
  • Legal investigations

Common Methods of Alcohol Testing

  • Breathalyzer
  • Blood test
  • Saliva test
  • Urine test
  • Hair analysis

Breathalyzer - Used for immediate alcohol level evaluation.

Blood test - Provides precise BAC readings for legal cases.

Saliva test - Quick, non-invasive method for recent alcohol use.

Urine test - Detects alcohol consumption over a longer period.

Hair analysis - Reflects long-term alcohol consumption patterns.

Order Your Test Online

Hair Follicle Drug Testing Services

Hair follicle drug testing in Derby, Texas offers a nuanced approach for detecting illicit substances by analyzing hair samples, providing an extended detection window.

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Why Use Hair Drug Testing?

  • Extended detection period
  • Non-invasive collection
  • Difficult to adulterate samples
  • Reflects chronic drug use
  • Suitable for pre-employment checks
  • Reliable legal evidence

What Drugs Can Be Detected

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

In Derby, Texas, hair follicle testing is a preferred method for its accuracy, providing a comprehensive overview of an individual's substance use history.

Order Your Test Online

DOT Drug Testing Services

DOT drug testing is mandated for employees in safety-sensitive positions by the Department of Transportation. The test detects illegal substances that could impair an employee's ability to perform safely.

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Who is Required to Take DOT Drug Tests?

  • Commercial truck drivers
  • Railroad workers
  • Airline personnel
  • Pipeline workers
  • Public transit employees
  • Certain federally-regulated industries

What Drugs Are Tested For

  • Opiates
  • Marijuana
  • Methamphetamine
  • Cocaine
  • Phencyclidine (PCP)

In Derby, Texas, DOT drug testing is a crucial requirement ensuring the safety and reliability of employees in safety-sensitive positions. This testing contributes significantly to public safety and compliance with federal regulations.

Order Your Test Online

Probation Drug Testing Services

Probation drug testing is a requirement for individuals under probation to ensure compliance with no-drug-use conditions imposed by the court. It involves regular testing using reliable methods.

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Why Are Probation Drug Test Services Available?

  • Compliance Monitoring: Ensure adherence to court orders
  • Rehabilitation Support: Encourage genuine recovery efforts
  • Public Safety: Protect communities by reducing recidivism
  • Legal Requirements: Meet statutory obligations
  • Behavior Assessment: Track lifestyle changes

Testing Methods

  • Urine tests: Common for recent drug use detection
  • Hair follicle tests: Shows long-term drug use patterns
  • Saliva tests: Non-invasive, quick results tool
  • Blood tests: Used for detailed substance analysis

Probation drug testing in Derby, Texas is vital in helping individuals remain accountable, supporting their journey towards recovery, and maintaining public safety. This structured approach aids in compliance and rehabilitation efforts.

Order Your Test Online

Court Ordered Drug Testing Services

Court ordered drug testing in Derby, Texas ensures individuals comply with legal directives, often part of probation or custody cases. These tests aim to maintain legal standards and support well-being.

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Why Are Court Ordered Drug Test Services Available?

  • Ensure legal compliance
  • Support custody decisions
  • Monitor substance abuse recovery
  • Provide evidence in legal proceedings
  • Maintain public safety

Court Ordered Test Methods

  • Urine tests: Confirm recent drug usage.
  • Hair follicle tests: Track extended use history.
  • Saliva tests: Fast and painless.
  • Blood tests: Detailed drug level analysis.
  • Nail tests: Long-term detection up to six months.

In Derby, Texas, these tests play a crucial role in upholding justice and ensuring individuals adhere to court stipulations.

Order Your Test Online

Fingernail Drug Testing Services

Fingernail drug testing in Derby, Texas is a reliable forensic method that allows for the detection of drug history over an extended period. This approach analyzes keratin in the nail, retaining a chronological record of drug usage. It is highly effective and favored in circumstances requiring a detailed history.
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What is the Detection Window for Fingernail Drug Tests

  • Fingernails: Offers a 6-month or longer detection period.
  • Toenails: Provides an extended detection window of up to 8 months.

What Drugs Can Be Detected

  • Marijuana
  • Cocaine
  • Opiates
  • Amphetamines
  • Methamphetamines

Advantages over other methods

  • Long detection period
  • Non-invasive and easy collection
  • Highly accurate results
  • Minimal risk of contamination
  • Hard to adulterate specimens

In Derby, Texas, fingernail drug testing is recognized for its comprehensive analysis of drug abuse history, making it invaluable for legal and workplace settings.

Order Your Test Online

Occupational Health Test Services

Occupational health testing in , Derby, 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 , Derby, 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 Derby, Texas

Drug-Related Statistics in Derby, Texas:

  • Recent reports indicate a consistent decrease in drug-related incidents over the past three years, reflecting the effectiveness of community intervention programs.
  • Substance abuse among teenagers has seen a slight decline, thanks in part to educational campaigns and increased awareness.
  • Local law enforcement agencies report a high success rate in their efforts to reduce the distribution of illegal substances within the area.
  • Overall, the town maintains a relatively low drug crime rate compared to other regions in Texas, indicating successful community engagement strategies.

Drug Testing Regulations in Texas

Employer drug testing in Derby 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 Derby

Hilltop Colonia • Dilley • North Pearsall • Pearsall • West Pearsall • Millett • Cotulla • Los Angeles

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

Derby Drug Testing

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

Derby DOT Drug Testing

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

Derby DNA Testing

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

Derby Industry Training

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

Derby Hair Drug Testing

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

Derby Alcohol Testing

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

Derby Drug Testing Services

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

Derby 5 Panel Drug Test

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

Derby 10 Panel Drug Test

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

Derby On Site Drug Testing

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

Derby DOT Physicals

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

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

Everything was great

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

Olga Petrova - 9/19/2024

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


(800) 221-4291