Drug Test Services - Dorchester, TX

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

With 29 testing centers in the Dorchester 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.

29 Drug Test Service Centers in Dorchester

Minutes Away, Test Today

501 N Highland Ave Ste 300

8.92 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
501 N Highland Ave Ste 300
Sherman, TX 75092

1010 La Salle Dr, Suite 2 Eb

9.37 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1010 La Salle Dr, Suite 2 Eb
Sherman, TX 75090

954 W Van Alstyne Parkway

10.11 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
954 W Van Alstyne Parkway
Van Alstyne, TX 75495

2500 N Travis St

10.58 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-6:00 PM • Sat: 8:00 AM-4:00 PM✓ Walk-in with Electronic Donor Pass
2500 N Travis St
Sherman, TX 75092

2001 N Loy Lake Rd Ste M

10.82 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2001 N Loy Lake Rd Ste M
Sherman, TX 75090

913 Cottonwood Dr

10.82 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
913 Cottonwood Dr
Sherman, TX 75090

2915 N Travis St Ste 2

10.84 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2915 N Travis St Ste 2
Sherman, TX 75092

3601 N Calais St

11.87 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3601 N Calais St
Sherman, TX 75090

3126 W Fm 120

17.76 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3126 W Fm 120
Denison, TX 75020

910 W University Dr

22.02 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
910 W University Dr
Mckinney, TX 75069

1515 Heritage Dr, Ste 100

22.08 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1515 Heritage Dr, Ste 100
Mckinney, TX 75069

809 N Central Expy

22.61 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
809 N Central Expy
Mckinney, TX 75070

130 S Central Expy

22.96 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
130 S Central Expy
Mckinney, TX 75070

4302 County Road 4640

23.70 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4302 County Road 4640
Trenton, TX 75490

7145 N George Bush Hwy

23.75 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
7145 N George Bush Hwy
Garland, TX 75044

2810 S Hardin Blvd

24.80 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2810 S Hardin Blvd
Mckinney, TX 75070

1920 W Eldorado Pkwy

24.84 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1920 W Eldorado Pkwy
Mc Kinney, TX 75069

426 N Grand Ave

25.58 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
426 N Grand Ave
Gainesville, TX 76240

4510 Medical Center Dr, Ste 310

25.65 mi
🕑 Facility: Mon–Fri: 08:00 AM - 05:00 PM⚡ Drug Screens: Mon–Fri: 08:30 AM - 11:30 AM, 01:30 PM - 04:30 PM
4510 Medical Center Dr, Ste 310
Mckinney, TX 75069

4510 Medical Center Dr Ste 212

25.65 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4510 Medical Center Dr Ste 212
Mckinney, TX 75069

800 Hwy 82

25.79 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
800 Hwy 82
Gainesville, TX 76240

1625 N Grand Ave

25.88 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1625 N Grand Ave
Gainesville, TX 76240

301 W Main St

26.61 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
301 W Main St
Frisco, TX 75034

8756 Teel Pkwy Ste 350

26.81 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
8756 Teel Pkwy Ste 350
Frisco, TX 75034

5575 Warren Pkwy, Prof. Bldg I, Baylor Medical C

26.85 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5575 Warren Pkwy, Prof. Bldg I, Baylor Medical C
Frisco, TX 75034

7227 Preston Rd

27.37 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
7227 Preston Rd
Frisco, TX 75034

8200 Stonebrook Pkwy Ste 100

27.42 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
8200 Stonebrook Pkwy Ste 100
Frisco, TX 75034

1300 N Central Expy

28.39 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
1300 N Central Expy
Plano, TX 75074

1101 Raintree Cir, Suite 100

28.58 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1101 Raintree Cir, Suite 100
Allen, TX 75013

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 standard screening method that detects the presence of drugs in a person's system using a urine sample. It is widely used due to its non-invasive nature and relatively quick results. This method remains popular for its ability to detect a range of substances efficiently.

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Purpose of Urine Drug Testing

  • Pre-employment screening
  • Random workplace testing
  • Compliance with legal requirements
  • Monitoring substance abuse programs
  • Medical evaluations

What Drugs Can Be Detected

  • Marijuana
  • Cocaine
  • Opiates
  • Amphetamines
  • Benzodiazepines

In Dorchester, Texas, urine drug testing provides a dependable solution for employers and individuals seeking accurate and timely results. Our services ensure confidentiality and compliance with legal standards.

Order Your Test Online

Alcohol Test Services

Alcohol testing in Dorchester, Texas measures blood alcohol content to assess impairment, using non-invasive methods that offer quick results. It's a crucial component in maintaining workplace safety and compliance.

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Alcohol Testing is used in many settings

  • Law enforcement
  • Workplace safety
  • Rehabilitation centers
  • Clinical assessments
  • Legal proceedings

Common Methods of Alcohol Testing

  • Breath analysis
  • Blood tests
  • Urine screening
  • Saliva tests
  • Hair analysis

Breath analysis - Used for quick field sobriety tests

Blood tests - Provides precise BAC measurements

Urine screening - Detects alcohol metabolite presence

Saliva tests - Offers rapid and convenient testing

Hair analysis - Provides long-term drinking behavior data

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Hair Follicle Drug Testing Services

Hair follicle drug testing in Dorchester, Texas is a definitive measure that reveals long-term substance use over a period of up to 90 days. This test utilizes a small sample of hair to trace drug metabolites that persist in the hair shaft, providing a record of past drug use without revealing more recent activity. It is often preferred due to its reliability.

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Why Use Hair Drug Testing?

  • Long detection period
  • Difficult to adulterate
  • Non-invasive collection
  • Suitable for legal contexts
  • Comprehensive results

What Drugs Can Be Detected

  • Cocaine
  • Heroin
  • Amphetamines
  • MDMA
  • Marijuana

In Dorchester, Texas, using hair follicle tests enables organizations to uphold standards of accountability and safety by utilizing a testing method that provides a detailed view of an individual's drug history, thus reinforcing drug-free commitments over the long term.

Order Your Test Online

DOT Drug Testing Services

DOT drug testing involves the regulation-mandated screening of safety-sensitive employees, mainly within the transportation industry. Governed by U.S. Department of Transportation guidelines, it requires compliance from organizations employing drivers, pilots, and others, ensuring the safety and reliability of public and commercial transit services across Dorchester, Texas.

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Who is Required to Take DOT Drug Tests?

  • Commercial drivers
  • Pipeline workers
  • Aircraft personnel
  • Transit operators
  • Railroad employees
  • School bus drivers

What Drugs Are Tested For

  • Marijuana
  • Cocaine
  • Opiates
  • Amphetamines
  • PCP

DOT drug testing in Dorchester, Texas helps maintain safety standards in critical public and private transportation sectors, reducing risks and ensuring compliance with federal mandates.

Order Your Test Online

Probation Drug Testing Services

Probation drug testing in Dorchester, Texas serves to monitor compliance with court-ordered probation conditions. Individuals are required to undergo regular testing to ensure abstinence from illegal substances as part of rehabilitation and reintegration processes. This system intends to deter use and encourage lawful behavior.
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Why Are Probation Drug Test Services Available?

  • Deterrence: Acts as a deterrent against future drug use.
  • Rehabilitation support: Helps in monitoring recovery progress.
  • Legal compliance: Ensures compliance with court orders.
  • Public safety: Protects the community from potentially harmful behaviors.
  • Behavior modification: Encourages positive behavioral changes.

Testing Methods

  • Urine tests: Common and cost-effective.
  • Hair follicle tests: Offers a broader detection period.
  • Saliva tests: Allows for quick detection of recent use.
  • Blood tests: Provides high accuracy for recent usage.

In Dorchester, Texas, probation drug testing plays a crucial role in facilitating the successful rehabilitation and monitoring of individuals on probation, ensuring adherence to legal obligations.

Order Your Test Online

Court Ordered Drug Testing Services

Court ordered drug testing in Dorchester, Texas serves as a regulatory tool to monitor individuals involved in legal proceedings. It ensures adherence to court mandates by detecting illicit drug use, maintaining accountability and promoting legal compliance.

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Why are Court Ordered Drug Test Services Available?

  • Monitor compliance with court orders
  • Support rehabilitation
  • Safety for family and community
  • Evaluate progress in legal situations

Court Ordered Test Methods

  • Urine tests: Widely used for recent detection
  • Hair follicle tests: Long-term usage analysis
  • Saliva tests: Immediate results for recent use
  • Blood tests: Provides exact levels and substances
  • Nail tests: Detects long-term metabolites

Court ordered drug testing in Dorchester, Texas is essential in maintaining legal integrity, supporting legal mandates, and aiding in rehabilitation for individuals.

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Fingernail Drug Testing Services

Fingernail drug testing in Dorchester, Texas analyzes nail clippings to detect drug use history over a period. This method offers a longer detection window, capturing several months of drug activity, thus, providing comprehensive insight into substance use trends.

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What is the Detection Window for Fingernail Drug Tests

  • Fingernails: Detects drugs used over 3-6 months
  • Toenails: Longer detection period than fingernails

What Drugs Can Be Detected

  • Marijuana
  • Cocaine
  • Methamphetamines
  • Opiates
  • Benzodiazepines

Advantages over other methods

  • Non-invasive sample collection
  • Extended drug use detection period
  • Resistant to adulteration
  • Reflects long-term drug history
  • Accepted in legal settings

Fingernail drug testing in Dorchester, Texas is an evolving method that provides crucial insights for employers, legal entities, and individuals monitoring long-term drug use.

Order Your Test Online

Occupational Health Test Services

Occupational health testing in Dorchester, Texas ensures that workplace conditions are safe and conducive to employee health. It involves various tests and evaluations to detect potential health risks, ensure compliance with safety regulations, and enhance workplace productivity and employee well-being.

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Purpose of Occupational Health Testing

  • Ensuring workplace safety
  • Identifying health risks early
  • Compliance with regulations
  • Promoting employee wellness
  • Reducing workplace accidents
  • Improving productivity

Common Types of Occupational Health Tests

  • Fitness for duty exams: Evaluate if employees can perform job effectively.
  • Respirator Fit Testing: Ensures proper face mask fit for protection.
  • Pulmonary Function Tests (PFT's): Assess lung function for respiratory health.
  • Tuberculosis (TB): Screen for TB infection risk in workplaces.
  • Vision: Checks visual capability for job-specific tasks.
  • Audiometric: Evaluates hearing abilities required for safety.

By implementing these tests, Dorchester, Texas businesses can maintain compliance with regulatory requirements and enhance overall company health policies, supporting a healthy and efficient workforce.

Order Your Test Online

Drug Statistics for Dorchester, Texas

Regarding drug-related statistics specifically for Dorchester, Texas, detailed data might not be readily available due to the town's small size. However, Grayson County as a whole has been proactive in addressing drug use through community programs and law enforcement efforts. It's important for small communities like Dorchester to work closely with regional law enforcement to monitor and address potential drug activity, ensuring safety for all residents.

Drug Testing Regulations in Texas

Employer drug testing in Dorchester 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 Dorchester

Howe • Gunter • Southwest Grayson • Southmayd • Luella • Van Alstyne • East Grayson • Collinsville

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

Dorchester Drug Testing

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

Dorchester DOT Drug Testing

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

Dorchester DNA Testing

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

Dorchester Industry Training

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

Dorchester Hair Drug Testing

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

Dorchester Alcohol Testing

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

Dorchester Drug Testing Services

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

Dorchester 5 Panel Drug Test

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

Dorchester 10 Panel Drug Test

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

Dorchester On Site Drug Testing

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

Dorchester DOT Physicals

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

Super helpful and courteous

I've had to use this service twice for out of state physicians we've hired and both times it was super easy. Both customer service reps I spoke with were super helpful and courteous. I won't hesitate to use their service again if needed.

Alicia Rau - 6/19/2024

Quick, Polite, Informative

Everyone has been quick to respond, polite, informative. It's been easy to order tests. I would recommend them to anyone to use.

April Rogers - 2/15/2025

Explained everything so no questions

Torin was great. Explained everything so no questions

Tony Lombardo - 4/18/2025

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

Kind and very helpful

Called around for hours and posted from company to person and got nowhere and had to fight to get a refund die to there miss information, well save time and sanity Acredited is the ONLY place the person was kind and very helpful, said what I needed and Faith the lady I dealt with made it simple and she did above and beyond everything I needed, as I'm going through a devorse this was a great help and made my day 100 stars from me.

Steven Harrison - 12/19/2024

Pretty Straightforward

It was a pretty straightforward process getting an appointment and making payment. Getting to the testing site was quick. I was in and out in no time.

Sadiat Ogunyemi - 12/19/2024

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

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

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

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


(800) 221-4291