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

Drug Testing Locations in Knoxville, AR

With 22 testing centers in the Knoxville 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

22 Drug-Testing Centers in Knoxville

Same-Day Electronic Donor Pass Accepted at All Locations Below

Minutes Away, Test Today

3 Medicine Dr

7.10 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
3 Medicine Dr
Clarksville, AR 72830

23 Professional Park Dr

7.14 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
23 Professional Park Dr
Clarksville, AR 72830

1100 E Poplar St

7.30 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
1100 E Poplar St
Clarksville, AR 72830

1130 S Rogers St

7.63 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-4:00 PM✓ Walk-in with Electronic Donor Pass
1130 S Rogers St
Clarksville, AR 72830

3812 W Main St

12.75 mi
🕑 Testing Hours: Mon–Fri: 7:00 AM-7:00 PM • Sat: 8:00 AM-6:00 PM • Sun: 1:00 PM-5:00 PM✓ Walk-in with Electronic Donor Pass
3812 W Main St
Russellville, AR 72801

108 Skyline Dr

12.95 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
108 Skyline Dr
Russellville, AR 72801

101 Skyline Dr

12.99 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
101 Skyline Dr
Russellville, AR 72801

1808 W Main St

13.89 mi
🕑 Testing Hours: M-Th 8:00 AM-5:00 PM • F 8:00 AM-2:00 PM✓ Walk-in with Electronic Donor Pass
1808 W Main St
Russellville, AR 72801

1650 W C Pl

13.95 mi
🕑 Testing Hours: M-Th 8:00 AM-6:00 PM • F 8:00 AM-1:00 PM✓ Walk-in with Electronic Donor Pass
1650 W C Pl
Russellville, AR 72801

1600 W C Pl

13.96 mi
🕑 Testing Hours: Mon–Fri: 7:00 AM-7:00 PM • Sat: 8:00 AM-6:00 PM • Sun: 1:00 PM-5:00 PM✓ Walk-in with Electronic Donor Pass
1600 W C Pl
Russellville, AR 72801

402 W O St

14.15 mi
🕑 Testing Hours: M-Th 10:30 AM-12:00 PM & 1:00 PM-6:30 PM • F 10:00 AM-12:00 PM & 1:00 PM-3:00 PM • Sat: 10:00 AM-2:00 PM✓ Walk-in with Electronic Donor Pass
402 W O St
Russellville, AR 72801

821 W 2nd Ct

14.47 mi
🕑 Testing Hours: M-Sun: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
821 W 2nd Ct
Russellville, AR 72801

511 West Main Street

14.64 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-8:00 PM • Sat:,Sun: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
511 West Main Street
Russellville, AR 72801

303 S 5th St

21.31 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-4:00 PM✓ Walk-in with Electronic Donor Pass
303 S 5th St
Paris, AR 72855

804 Danarc Circle

25.63 mi
🕑 Testing Hours: M-Th 8:00 AM-3:00 PM • F 8:00 AM-2:00 PM✓ Walk-in with Electronic Donor Pass
804 Danarc Circle
Danville, AR 72833

201 S 7th St

27.31 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
201 S 7th St
Ozark, AR 72949

102 Garfield Ave.

27.31 mi
🕑 Testing Hours: Mon–Sat: 9:00 AM-4:00 PM✓ Walk-in with Electronic Donor Pass
102 Garfield Ave.
Plainview, AR 72857

107 N 9th St

27.44 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
107 N 9th St
Ozark, AR 72949

57 W 4th St

35.61 mi
🕑 Testing Hours: Mon–Fri: 11:00 AM-1:00 PM✓ Walk-in with Electronic Donor Pass
57 W 4th St
Booneville, AR 72927

880 W Main St

36.27 mi
🕑 Testing Hours: Mon–Fri: 9:00 AM-1:00 PM✓ Walk-in with Electronic Donor Pass
880 W Main St
Booneville, AR 72927

10 Hospital Dr

39.24 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
10 Hospital Dr
Morrilton, AR 72110

145 Rag Rd

49.96 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
145 Rag Rd
Clinton, AR 72031

Employment, DOT, Court Ordered, Probation, Family

Accredited Drug Testing delivers a wide range of drug and alcohol testing services across our 22 facilities in the Knoxville, Arkansas region. Whether you need DOT or non-DOT urine tests, breath alcohol analysis, EtG alcohol evaluations, or hair drug testing, we cater to individuals, employers, and legal requirements. In Knoxville, AR, we provide rapid results testing along with SAMSA accredited lab analysis. Most test centers are just minutes away from your residence or workplace, with same-day appointment options. We also offer Occupational Health Testing, Clinical Assessments, and Background Verifications.

Dial (800) 221-4291 or register online for an appointment. Just pick your desired test and select the nearest facility—serving you, your staff, or another person is straightforward. Scheduling is quick and stress-free; contact our team or arrange online testing anytime, day or night. Our simplified approach ensures arranging a test in Knoxville is seamless and efficient.

* 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 Knoxville, AR

1

Order Online or Call

Select your test & search nearby Knoxville 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.

Knoxville, AR Drug Testing

Drug Testing Services Available at Our Knoxville, AR Labs:

At our Knoxville 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

Arkansas Drug Testing Laws & Compliance in Knoxville

SAMHSA Certified • MRO Verified

Accredited Drug Testing provides employer and individual screening in Knoxville, AR adhering strictly to Ark. Code Ann. § 11-14-101 et seq., federal DOT 49 CFR Part 40 guidelines, and certified SAMHSA laboratory chain-of-custody standards.

Statutory Citation
Ark. Code Ann. § 11-14-101 et seq.
Medical Marijuana
Legal (Medical)
Recreational Cannabis
Prohibited
Workplace Rights
Zero-Tolerance Protected

Arkansas permits employers to establish drug-free workplace policies under Voluntary Drug-Free Workplace laws to reduce workplace liabilities and maintain safety compliance.

Under Ark. Code Ann. § 11-14-101 et seq., employers in Knoxville 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 Arkansas), 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 Knoxville, 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 Knoxville and Arkansas.

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 Knoxville, AR

Minutes Away, Same-Day Donor Pass

Accredited Drug Testing operates collection centers strategically positioned throughout Knoxville 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 Knoxville Neighborhoods Covered:

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

Major Employment & Commercial Hubs Served:

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

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

Surrounding Areas Served Near Knoxville

Lamar • Georgetown • New Blaine • Jamestown • Riverside • Delaware • London • Clarksville

Knoxville, AR 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 Knoxville.

Test Type & Local Panel Detection Window Common Use Cases in Knoxville Turnaround Time
5-Panel Urine Screen in Knoxville →
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 Knoxville →
Adds Benzodiazepines, Barbiturates, Methadone, Propoxyphene
1 to 7 Days Healthcare Staffing, Corporate Policies & Court Orders 24 to 48 Hours
Hair Follicle Drug Test in Knoxville →
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 Knoxville →
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 Knoxville →
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 Knoxville →
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 Knoxville, AR

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 Knoxville.

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 Knoxville facility or job site for groups of 25+ employees.

Local Testing Resource Network

More Drug & Alcohol Testing Options in Knoxville, AR

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

Knoxville Drug Testing

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

Knoxville DOT Drug Testing

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

Knoxville DNA Testing

DNA testing for legal and non-legal purposes including child support, and child custody around Knoxville, AR.

Knoxville Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in Knoxville, AR.v

Knoxville Hair Drug Testing

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

Knoxville Alcohol Testing

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

Knoxville Drug Testing Services

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

Knoxville 5 Panel Drug Test

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

Knoxville 10 Panel Drug Test

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

Knoxville On Site Drug Testing

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

Knoxville DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Knoxville, AR 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 Arkansas, workplace drug testing is governed by statutory guidelines under Ark. Code Ann. § 11-14-101 et seq.. Private employers generally operate under a Voluntary Drug-Free Workplace Program, permitting pre-employment, random, post-accident, and reasonable suspicion testing.
Yes. Employers in Arkansas who implement a certified Drug-Free Workplace Program in compliance with Ark. Code Ann. § 11-14-101 et seq. can qualify for insurance premium discounts and enhanced legal protections during workers' compensation claims.
Under Arkansas state law compliance standards, state statutes allows zero-tolerance policies for safety-sensitive roles. Safety-sensitive positions, DOT-regulated roles, and federal contract compliance remain strictly zero-tolerance across all jurisdictions.
Accredited Drug Testing provides access to 22 certified collection sites in the Knoxville area, offering urine, hair follicle, breath alcohol, and DOT testing.
While walk-ins are welcome with an electronic donor pass at collection sites across Knoxville, 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

Clear and Competent

I was so surprised with the quality of customer service I received today when I called Accredited Drug Testing. The representative was so clear and competent. She was able to reschedule an appointment at my preferred location. The representative whose name is Justice, was so polite and competent. She expedited the whole process. It was a relief to me.

Rachel Padian - 9/6/2024

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

ADT was able to get me the best tests

Dealing with allegation’s of drug use that completely false is stressful, ADT was able to get me the best tests, going back the farthest in the same day with as little hassle as possible, I spoke with 1 person and wasn’t transferred once, and they took my payment, and got me my work order for a clinic as close as possible for the service I needed. 5*

Christopher Hansis - 12/19/2024


(800) 221-4291