✓ Same-Day Walk-Ins Welcome ✓ Digital Donor Pass in Minutes ✓ No Doctor Order Required ✓ SAMHSA-Certified Labs

Drug Testing Locations in Dorchester, TX

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.

Urine (5, 10, 12, 14-Panel) Hair Follicle (90-Day) DOT Drug & Alcohol Court & Probation Oral Fluid / Saliva EtG Alcohol
🕑 Collection Site Hours: Monday – Friday: 8:00 AM – 4:00 PM • ✓ Walk-in with Electronic Donor Pass • Saturday – Sunday: Closed

29 Drug-Testing Centers in Dorchester

Same-Day Electronic Donor Pass Accepted at All Locations Below

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

Employment, DOT, Court Ordered, Probation, Family

Accredited Drug Testing delivers thorough drug and alcohol evaluations at 29 testing sites in the Dorchester, Texas region. We offer an array of testing options including DOT and non-DOT urine drug screens, breath alcohol assessments, EtG alcohol checks, and hair analysis, all tailored for individuals, employers, and legal inquiries. In Dorchester, TX, quick result testing and SAMSA certified lab analyses are part of our services, and most locations are conveniently accessible within minutes of your residence or workplace. We also provide Occupational Health Testing, Clinical Testing, and Background Verification services.

Dial (800) 221-4291 or enroll online. Choose your preferred test type and find a nearby site—testing can be arranged for you, employees, or others. Scheduling is swift and simple; contact our scheduling team or book your test anytime through our 24/7 online system. Our streamlined process makes organizing drug testing in Dorchester an effortless task.

* You must register by phone or online to receive your donor pass/registration prior to proceeding to the testing center. You must bring a valid government issued ID along with the registration/barcode number which was sent to you by email.

When you're searching for drug testing near me or drug testing locations, we provide a simple and convenient process to find a drug and alcohol testing location near you that is certified to provide all of your drug and alcohol testing needs.

How the Drug Testing Process Works in Dorchester, TX

1

Order Online or Call

Select your test & search nearby Dorchester collection sites.

2

Get Donor Pass

Receive your donor pass by email or SMS immediately.

3

Visit Collection Center

Walk in with donor pass & photo ID. No appointment needed.

4

Fast Results

Secure results delivered confidentially in 24-48 hours.

Dorchester, TX Drug Testing

Drug Testing Services Available at Our Dorchester, TX Labs:

At our Dorchester drug testing collection sites, Accredited Drug Testing provides one of the widest selections of drug and alcohol testing services available. Whether you're an employer, attorney, court, or private individual, we offer both DOT and non-DOT testing options—ranging from rapid tests to comprehensive lab-based screenings—capable of detecting nearly any substance.

Mobile/On-Site Drug Testing

If you're an employer needing to test 25 or more employees and looking to save time and money, we offer mobile on-site drug testing where we come to you. Call us today for more information.

Official Legal & Regulatory Framework

Texas Drug Testing Laws & Compliance in Dorchester

SAMHSA Certified • MRO Verified

Accredited Drug Testing provides employer and individual screening in Dorchester, TX adhering strictly to Tex. Lab. Code § 411.091, federal DOT 49 CFR Part 40 guidelines, and certified SAMHSA laboratory chain-of-custody standards.

Statutory Citation
Tex. Lab. Code § 411.091
Medical Marijuana
Legal (Medical)
Recreational Cannabis
Prohibited
Workplace Rights
Zero-Tolerance Protected

Texas Labor Code § 411.091 mandates written policy distribution for employer drug testing programs while supporting broad pre-employment and random testing rights.

Under Tex. Lab. Code § 411.091, employers in Dorchester may institute comprehensive drug-free workplace programs including:

  • Pre-Employment Screening: Conditional job offer testing for all applicants.
  • Reasonable Suspicion Testing: Objective, documented behavioral signs of impairment.
  • Post-Accident Testing: Mandatory screening following workplace injuries or property damage.
  • Random Testing: Unannounced selection for safety-sensitive roles and machinery operators.
  • Workers' Comp Incentives: Verified testing programs provide premium discounts on state workers' compensation insurance policies.

While cannabis statutes continue evolving across the United States (Medical: Legal (Medical); Recreational: Prohibited in Texas), employers retain the legal prerogative to prohibit substance impairment on job premises, during operational shifts, and while operating company vehicles.

Federal regulations, Department of Transportation (DOT) mandates, and safety-sensitive positions strictly prohibit marijuana use regardless of state cannabis status. ADT provides both standard THC screening and non-THC customized drug panels for private employers wishing to adapt to state-specific hiring preferences.

For commercial drivers, maritime operators, aviation crews, and transit personnel operating in Dorchester, all testing follows rigorous Department of Transportation (DOT) standards governed by 49 CFR Part 40:

  • Federal 5-Panel Regulated Urine Screen: Tested for Marijuana, Cocaine, Amphetamines/Methamphetamines, Opioids (Codeine, Morphine, Heroin, Hydrocodone, Hydromorphone, Oxycodone, Oxymorphone), and PCP.
  • SAMHSA Accredited Laboratories: Zero compromise on testing accuracy with gas chromatography/mass spectrometry (GC/MS) confirmation.
  • Medical Review Officer (MRO): Every non-negative specimen is reviewed by a licensed physician MRO before reporting.
  • FMCSA Clearinghouse Reporting: Real-time reporting of verified positive tests and refusals to test into the federal driver clearinghouse database.

Accredited Drug Testing provides legally admissible drug and alcohol screening for county court dockets, child custody hearings, probation requirements, and pretrial diversion programs throughout Dorchester and Texas.

All specimens undergo observed or witnessed collection procedures when ordered by the court, accompanied by rigorous Federal Chain of Custody Forms (CCF). Turnaround time is rapid, and official certificates of analysis can be forwarded directly to your attorney, court case officer, or probation supervisor upon release.

Hyper-Local Proximity Coverage

Neighborhoods & Service Districts in Dorchester, TX

Minutes Away, Same-Day Donor Pass

Accredited Drug Testing operates collection centers strategically positioned throughout Dorchester to ensure fast donor access with minimal drive times. Walk-ins are welcomed with an immediate electronic donor pass across all major neighborhoods and transit corridors:

Key Dorchester Neighborhoods Covered:

● Downtown Dorchester ● Central Business District ● North Dorchester Commercial Corridor ● South Dorchester Industrial Park ● East Dorchester Metro Area ● West Dorchester Trade Center ● Medical & Healthcare District ● Airport / Logistics Corridor

Major Employment & Commercial Hubs Served:

Dorchester Main Street Commercial District • Dorchester Regional Trade Center • County Industrial Parkway • Metro Healthcare & Occupational Medical Corridor

Located anywhere in Dorchester? Receive your electronic pass in under 5 minutes.
Order Test Online →

Surrounding Areas Served Near Dorchester

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

Dorchester, TX Drug & Alcohol Test Panels & Detection Windows

Select a test panel below to review specific drug compounds screened, detection timeframes, and instant electronic pass registration in Dorchester.

Test Type & Local Panel Detection Window Common Use Cases in Dorchester Turnaround Time
5-Panel Urine Screen in Dorchester →
THC, Cocaine, Basic Opiates, Amphetamines, PCP
1 to 5 Days Pre-Employment, Workplace Safety & Non-DOT Randoms 24 to 48 Hours
10-Panel Urine Screen in Dorchester →
Adds Benzodiazepines, Barbiturates, Methadone, Propoxyphene
1 to 7 Days Healthcare Staffing, Corporate Policies & Court Orders 24 to 48 Hours
Hair Follicle Drug Test in Dorchester →
Long-term historical pattern analysis (90-day window)
Up to 90 Days Child Custody, Legal Defense & Executive Screening 3 to 5 Business Days
DOT Drug & Alcohol Test in Dorchester →
49 CFR Part 40 compliant with CCF & MRO verification
1 to 5 Days FMCSA, FAA, FRA, FTA, USCG Regulated Drivers & Crew 24 to 48 Hours
ETG & Breath Alcohol in Dorchester →
Evidential breath testing or 80-hour urine EtG metabolite
Breath: 0–12 Hrs
EtG: Up to 80 Hrs
Zero-Tolerance Workplace, Post-Accident & Probation Immediate to 48 Hours
DOT Physical Exam in Dorchester →
FMCSA NRCME certified medical examiner card (Form MCSA-5876)
1 to 2 Year Card Commercial Driver License (CDL) Medical Certification Same-Day Medical Card
Full-Service Testing Solutions

Occupational Health & Specialized Screening in Dorchester, TX

Beyond standard urine screening, Accredited Drug Testing delivers end-to-end occupational medical solutions, DOT credentialing, court-admissible forensic testing, and employer background compliance.

NRCME Certified

DOT Physicals & Medical Cards

FMCSA-compliant examinations conducted by certified medical examiners. Instant driver medical certificate renewal across Dorchester.

AABB Accredited

Court Legal DNA & Paternity

100% court-admissible legal paternity, maternity, sibling, and grandparentage testing with strict chain of custody for family court.

FCRA Compliant

Background Checks & MVR

Comprehensive pre-employment screening, nationwide criminal history searches, and Motor Vehicle Records (MVR) for driver compliance.

Long Detection Window

90-Day Hair Follicle Drug Test

Tamper-resistant 90-day historical substance screening. Preferred by family courts, custody attorneys, and zero-tolerance employers.

Instant & Lab Confirmed

Breath Alcohol & 80-Hr EtG

Evidential breath alcohol testing (BAT) and 80-hour EtG urine/hair metabolite analysis for probation monitoring and workplace safety.

We Come to You

Mobile On-Site Group Testing

Certified mobile collection technicians dispatched directly to your Dorchester facility or job site for groups of 25+ employees.

Local Testing Resource Network

More Drug & Alcohol Testing Options in Dorchester, TX

Need immediate walk-in service in Dorchester? View our Walk-In Drug Testing Near Me in Dorchester, TX facility guide or order an instant electronic donor pass online.

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 29 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

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

Reception is kind and helpful

Reception is kind and helpful , everything quick and simple , best urgent care

Yusuf Narmuradov - 11/19/2024

Fast and efficient service

Fast and efficient service for employers wanting to do pre employment drug screening that meets DOT requirements!!

Mary Thomas - 4/5/2025


(800) 221-4291