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Drug Testing Locations in South Riding, VA

With 30 testing centers in the South Riding 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

30 Drug-Testing Centers in South Riding

Same-Day Electronic Donor Pass Accepted at All Locations Below

Minutes Away, Test Today

24801 Pinebrook Rd Attn Lab

0.15 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
24801 Pinebrook Rd Attn Lab
Chantilly, VA 20152

4200 Pleasant Valley Rd

1.84 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4200 Pleasant Valley Rd
Chantilly, VA 20151

1411 H Service Rd

3.58 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1411 H Service Rd
Chantilly, VA 20151

4437 Brookfield Corporate Dr Ste 108

4.31 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4437 Brookfield Corporate Dr Ste 108
Chantilly, VA 20151

Onsite Only

5.27 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
Onsite Only
Ashburn, VA 20148

45305 Catalina Ct Ste 103

5.41 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
45305 Catalina Ct Ste 103
Sterling, VA 20166

21785 Filigree Court, Suite 20,

6.79 mi
🕑 Testing Hours: Mon–Fri: 7:30 AM-3:30 PM • Sat: 7:00 AM-10:30 AM✓ Walk-in with Electronic Donor Pass
21785 Filigree Court, Suite 20,
Ashburn, VA 20147

21785 Filigree Ct

6.85 mi
🕑 Testing Hours: Mon–Fri: 7:30 AM-3:30 PM • Sat: 7:00 AM-10:30 AM✓ Walk-in with Electronic Donor Pass
21785 Filigree Ct
Ashburn, VA 20147

3650 Joseph Siewick Dr Ste 400

7.08 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3650 Joseph Siewick Dr Ste 400
Fairfax, VA 22033

462 Herndon Pkwy Ste 103

7.20 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
462 Herndon Pkwy Ste 103
Herndon, VA 20170

6201 Centreville Rd Ste 200

7.29 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
6201 Centreville Rd Ste 200
Centreville, VA 20121

12713 Shoppes Ln

7.52 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
12713 Shoppes Ln
Fairfax, VA 22033

208 Elden St

7.86 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
208 Elden St
Herndon, VA 20170

106 Elden St Ste 18b,

8.07 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
106 Elden St Ste 18b,
Herndon, VA 20170

21525 Ridgetop Cir Ste 260

9.14 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
21525 Ridgetop Cir Ste 260
Sterling, VA 20166

46440 Benedict Dr Ste 108

9.28 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
46440 Benedict Dr Ste 108
Sterling, VA 20164

2 Pidgeon Hill Dr Suite 120,

9.43 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2 Pidgeon Hill Dr Suite 120,
Sterling, VA 20165

21036 Tripleseven Rd

9.46 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
21036 Tripleseven Rd
Sterling, VA 20165

11848 Robertson Farm Circle

9.49 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
11848 Robertson Farm Circle
Fairfax, VA 22030

6950 Piedmont Center Plz

10.20 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
6950 Piedmont Center Plz
Gainesville, VA 20155

8609 Sudley Rd Ste 104

10.48 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
8609 Sudley Rd Ste 104
Manassas, VA 20110

8685 Sudley Rd,

10.53 mi
🕑 Testing Hours: Mon–Fri: 8:30 AM-1:30 PM • Sat: 8:00 AM-10:00 AM✓ Walk-in with Electronic Donor Pass
8685 Sudley Rd,
Manassas, VA 20110

8640 Sudley Rd Ste 203

10.55 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
8640 Sudley Rd Ste 203
Manassas, VA 20110

2 Lyndhurst Ct

10.65 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2 Lyndhurst Ct
Sterling, VA 20165

8714 Sudley Rd

10.69 mi
🕑 Testing Hours: M-Sun: 8:00 AM-9:00 PM✓ Walk-in with Electronic Donor Pass
8714 Sudley Rd
Manassas, VA 20110

14370 Lee Highway, Suite 101

10.76 mi
🕑 Testing Hours: Mon–Fri: 10:00 AM-2:00 PM • Sat: 8:30 AM-9:30 AM✓ Walk-in with Electronic Donor Pass
14370 Lee Highway, Suite 101
Gainesville, VA 20155

7588 Gardner Park Dr

10.80 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
7588 Gardner Park Dr
Gainesville, VA 20155

8773 Mathis Ave

11.00 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
8773 Mathis Ave
Manassas, VA 20110

8694 Centreville Rd

11.01 mi
🕑 Testing Hours: M-Sun: 9:00 AM-9:00 PM✓ Walk-in with Electronic Donor Pass
8694 Centreville Rd
Manassas, VA 20110

10721 Main Street, Suite 1400

11.25 mi
🕑 Testing Hours: Mon–Fri: 10:00 AM-3:30 PM • Sat: 10:00 AM-11:30 AM✓ Walk-in with Electronic Donor Pass
10721 Main Street, Suite 1400
Fairfax, VA 22030

Employment, DOT, Court Ordered, Probation, Family

Our drug and alcohol testing services in 30 facilities around South Riding, Virginia, cater to varied needs with both DOT and non-DOT testing options. Whether you require urine analysis, breath tests, EtG alcohol screening, or a hair follicle test, we support both individual and organizational requirements. Most centers are conveniently located, ensuring quick access for both personal and professional needs. Additionally, we offer rapid results and certified lab analysis with same day service at most locations. Expanded services include Occupational Health, Clinical Testing, and thorough Background Checks.

Contact us at (800) 221-4291 or register via our website. Just pick your preferred test and the closest location. Testing options are available for personal use, employment screenings, and third-party needs. With our accessible scheduling team and 24/7 online booking, organizing drug tests close to South Riding is streamlined and straightforward, ensuring rapid and efficient service.

* 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 South Riding, VA

1

Order Online or Call

Select your test & search nearby South Riding 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.

South Riding, VA Drug Testing

Drug Testing Services Available at Our South Riding, VA Labs:

At our South Riding 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

Virginia Drug Testing Laws & Compliance in South Riding

SAMHSA Certified • MRO Verified

Accredited Drug Testing provides employer and individual screening in South Riding, VA adhering strictly to Va. Code § 65.2-306, federal DOT 49 CFR Part 40 guidelines, and certified SAMHSA laboratory chain-of-custody standards.

Statutory Citation
Va. Code § 65.2-306
Medical Marijuana
Legal (Medical)
Recreational Cannabis
Legal
Workplace Rights
Zero-Tolerance Protected

Virginia Code § 65.2-306 supports workplace drug safety, denying workers compensation claims when post-accident testing confirms illegal drug or alcohol influence.

Under Va. Code § 65.2-306, employers in South Riding 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: Legal in Virginia), 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 South Riding, 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 South Riding and Virginia.

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 South Riding, VA

Minutes Away, Same-Day Donor Pass

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

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

Major Employment & Commercial Hubs Served:

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

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

Surrounding Areas Served Near South Riding

Arcola • Loudoun Valley Estates • Chantilly • Brambleton • Floris • Mcnair • Greenbriar • Broadlands

South Riding, VA 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 South Riding.

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

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 South Riding.

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 South Riding facility or job site for groups of 25+ employees.

Local Testing Resource Network

More Drug & Alcohol Testing Options in South Riding, VA

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

South Riding Drug Testing

Quickly find trusted local drug testing centers in South Riding, VA — fast, convenient, and reliable every time!

South Riding DOT Drug Testing

Quickly find a local DOT drug testing center in South Riding, VA — fast, reliable, convenient nationwide service!

South Riding DNA Testing

DNA testing for legal and non-legal purposes including child support, and child custody around South Riding, VA.

South Riding Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in South Riding, VA.v

South Riding Hair Drug Testing

Get fast, accurate hair drug testing at our convenient South Riding, VA locations—results you can trust, every time!

South Riding Alcohol Testing

Fast, reliable alcohol testing to keep your workplace safe and compliant every single day in South Riding, VA.

South Riding Drug Testing Services

Reliable nationwide drug testing services ensuring accuracy, compliance, and quick results for businesses and individuals in South Riding, VA.

South Riding 5 Panel Drug Test

Accurate 5 panel drug testing with fast, confidential results—trusted by South Riding, VA employers and individuals nationwide.

South Riding 10 Panel Drug Test

Comprehensive 10 panel drug testing with fast, reliable results—trusted for South Riding, VA workplace and personal testing needs.

South Riding On Site Drug Testing

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

South Riding DOT Physicals

Certified DOT physicals with quick, reliable exams to keep South Riding, VA 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 Virginia, workplace drug testing is governed by statutory guidelines under Va. Code § 65.2-306. Private employers generally operate under a Virginia Code § 65.2-306 and labor rules, permitting pre-employment, random, post-accident, and reasonable suspicion testing.
Yes. Employers in Virginia who implement a certified Drug-Free Workplace Program in compliance with Va. Code § 65.2-306 can qualify for insurance premium discounts and enhanced legal protections during workers' compensation claims.
Under Virginia state law compliance standards, state statutes protects medical cannabis oil cardholders for non-safety roles. Safety-sensitive positions, DOT-regulated roles, and federal contract compliance remain strictly zero-tolerance across all jurisdictions.
Accredited Drug Testing provides access to 30 certified collection sites in the South Riding area, offering urine, hair follicle, breath alcohol, and DOT testing.
While walk-ins are welcome with an electronic donor pass at collection sites across South Riding, 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

I love the customer service

I love the customer service. The lady was patient enough to help me book my appointment with ease and ensuring I get the location that's best for me. Keep up the good work!

Elizabeth Chiaka - 9/19/2024

Excellant Performance

The visit here is always the best . The place is always really clean. The employees are super courteous, very polite, and professional. This is the only drug lab I like to go do my drug and alcohol test. I would like to tell them thank you so much for thier excellent performance and job

Eli Gonzalez - 1/4/2025

Accredited has been wonderful to work with!

Accredited has been wonderful to work with! My court ordered tests are on a very strange schedule but every time I call, they are quick to schedule me and are always able to find a location that works for where I’m at and when! Thank you for making this rather undesirable situation less stressful and efficient.

Madison Sanderford - 8/19/2024


(800) 221-4291