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Drug Testing Locations in St. Charles, MD

With 31 testing centers in the St. Charles 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

31 Drug-Testing Centers in St. Charles

Same-Day Electronic Donor Pass Accepted at All Locations Below

Minutes Away, Test Today

3500 Old Washington Rd Ste 104

0.51 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3500 Old Washington Rd Ste 104
Waldorf, MD 20602

3460 Old Washington Rd Ste 104,

0.54 mi
🕑 Testing Hours: Mon–Fri: 7:30 AM-4:00 PM • Sat: 7:00 AM-11:00 AM✓ Walk-in with Electronic Donor Pass
3460 Old Washington Rd Ste 104,
Waldorf, MD 20602

3070 Heathcote Rd

1.47 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3070 Heathcote Rd
Waldorf, MD 20602

12070 Old Line Ctr Ste 201

1.62 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
12070 Old Line Ctr Ste 201
Waldorf, MD 20602

2170 Old Washington Rd Ste 111

3.63 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2170 Old Washington Rd Ste 111
Waldorf, MD 20601

201 Centennial St B1

6.52 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
201 Centennial St B1
La Plata, MD 20646

403 Charles St 3

7.36 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
403 Charles St 3
La Plata, MD 20646

3059 Marshall Hall Rd

8.35 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3059 Marshall Hall Rd
Bryans Road, MD 20616

7700 Old Branch Ave E108

9.78 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
7700 Old Branch Ave E108
Clinton, MD 20735

Onsite Only

10.62 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
Onsite Only
Hughesville, MD 20637

8101 Hinson Farm Rd Ste 314

12.18 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
8101 Hinson Farm Rd Ste 314
Alexandria, VA 22306

7609 Richmond Hwy Ste B

13.14 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
7609 Richmond Hwy Ste B
Alexandria, VA 22306

5606 Holton Ln

14.12 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5606 Holton Ln
Temple Hills, MD 20748

6020 Richmond Hwy Ste 100

14.61 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
6020 Richmond Hwy Ste 100
Alexandria, VA 22303

4355 Forestville Rd Apt 302

15.36 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4355 Forestville Rd Apt 302
Forestville, MD 20747

225 Reinekers Ln

15.45 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
225 Reinekers Ln
Alexandria, VA 22314

6226 Old Franconia Rd

17.18 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
6226 Old Franconia Rd
Alexandria, VA 22310

4527 Duke St

17.29 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4527 Duke St
Alexandria, VA 22304

1430 Solomons Island Rd Ste 6

17.43 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1430 Solomons Island Rd Ste 6
Huntingtown, MD 20639

995 Prince Frederick Blvd #107

17.55 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
995 Prince Frederick Blvd #107
Prince Frederick, MD 20678

5130 Duke St Ste 10

17.65 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5130 Duke St Ste 10
Alexandria, VA 22304

130 Hospital Rd

17.82 mi
🕑 Facility: Mon–Fri: 07:00 AM - 04:00 PM⚡ Drug Screens: Mon–Fri: 08:00 AM - 03:00 PM
130 Hospital Rd
Prince Frederick, MD 20678

4320 Seminary Rd

17.82 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4320 Seminary Rd
Alexandria, VA 22304

110 Hospital Rd Ste 310

17.86 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
110 Hospital Rd Ste 310
Prince Frederick, MD 20678

6144 Edsall Rd Apt 303

18.08 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
6144 Edsall Rd Apt 303
Alexandria, VA 22304

7839 Rolling Rd Ste A

18.28 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
7839 Rolling Rd Ste A
Springfield, VA 22153

9141 Alaking Ct Ste 112

18.42 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
9141 Alaking Ct Ste 112
Capitol Heights, MD 20743

14527 Jefferson Davis Hwy Featherstone Square Shopping Ctr

18.53 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
14527 Jefferson Davis Hwy Featherstone Square Shopping Ctr
Woodbridge, VA 22191

5590 General Washington Dr

18.54 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
5590 General Washington Dr
Alexandria, VA 22312

6120 Brandon Ave Ste 105

18.55 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
6120 Brandon Ave Ste 105
Springfield, VA 22150

96 Armory Rd Ste 102

18.58 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
96 Armory Rd Ste 102
Prince Frederick, MD 20678

Employment, DOT, Court Ordered, Probation, Family

Accredited Drug Testing is your solution for comprehensive drug and alcohol testing, available at our 31 testing centers throughout St. Charles, Maryland. We cater to both DOT and non-DOT standards, offering a range of tests including urine drug tests, breath and EtG alcohol tests, and hair follicle drug analysis, suitable for individuals, corporate clients, as well as for legal requirements. We ensure quick results with rapid testing in St. Charles, MD, backed by SAMSA certified lab assessments. Most testing facilities are conveniently located close to residential or office areas. We also provide Occupational Health Testing, Clinical Testing, and Background Check services.

Reach out by calling (800) 221-4291 or register online. Choose your desired test, then pick the nearest center—testing can be set up for you, your employees, or others. Scheduling is both quick and simple; you can contact our scheduling team or arrange your test online, available 24/7. Our efficient and straightforward process makes arranging drug testing near St. Charles hassle-free.

* 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 St. Charles, MD

1

Order Online or Call

Select your test & search nearby St. Charles 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.

St. Charles, MD Drug Testing

Drug Testing Services Available at Our St. Charles, MD Labs:

At our St. Charles 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

Maryland Drug Testing Laws & Compliance in St. Charles

SAMHSA Certified • MRO Verified

Accredited Drug Testing provides employer and individual screening in St. Charles, MD adhering strictly to Md. Code Ann., Health-Gen. § 17-214, federal DOT 49 CFR Part 40 guidelines, and certified SAMHSA laboratory chain-of-custody standards.

Statutory Citation
Md. Code Ann., Health-Gen. § 17-214
Medical Marijuana
Legal
Recreational Cannabis
Legal
Workplace Rights
Zero-Tolerance Protected

Maryland Health-General § 17-214 mandates certified laboratory procedures and applicant notification rules while protecting employer drug-free policies.

Under Md. Code Ann., Health-Gen. § 17-214, employers in St. Charles 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; Recreational: Legal in Maryland), 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 St. Charles, 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 St. Charles and Maryland.

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 St. Charles, MD

Minutes Away, Same-Day Donor Pass

Accredited Drug Testing operates collection centers strategically positioned throughout St. Charles 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 St. Charles Neighborhoods Covered:

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

Major Employment & Commercial Hubs Served:

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

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

Surrounding Areas Served Near St. Charles

Saint Charles • Waldorf • Mattawoman • District 8 • Bennsville • Bryantown • Cedarville • La Plata

St. Charles, MD 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 St. Charles.

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

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 St. Charles.

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 St. Charles facility or job site for groups of 25+ employees.

Local Testing Resource Network

More Drug & Alcohol Testing Options in St. Charles, MD

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

St. Charles Drug Testing

Quickly find trusted local drug testing centers in St. Charles, MD — fast, convenient, and reliable every time!

St. Charles DOT Drug Testing

Quickly find a local DOT drug testing center in St. Charles, MD — fast, reliable, convenient nationwide service!

St. Charles DNA Testing

DNA testing for legal and non-legal purposes including child support, and child custody around St. Charles, MD.

St. Charles Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in St. Charles, MD.v

St. Charles Hair Drug Testing

Get fast, accurate hair drug testing at our convenient St. Charles, MD locations—results you can trust, every time!

St. Charles Alcohol Testing

Fast, reliable alcohol testing to keep your workplace safe and compliant every single day in St. Charles, MD.

St. Charles Drug Testing Services

Reliable nationwide drug testing services ensuring accuracy, compliance, and quick results for businesses and individuals in St. Charles, MD.

St. Charles 5 Panel Drug Test

Accurate 5 panel drug testing with fast, confidential results—trusted by St. Charles, MD employers and individuals nationwide.

St. Charles 10 Panel Drug Test

Comprehensive 10 panel drug testing with fast, reliable results—trusted for St. Charles, MD workplace and personal testing needs.

St. Charles On Site Drug Testing

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

St. Charles DOT Physicals

Certified DOT physicals with quick, reliable exams to keep St. Charles, MD 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 Maryland, workplace drug testing is governed by statutory guidelines under Md. Code Ann., Health-Gen. § 17-214. Private employers generally operate under a Maryland Health-General § 17-214 guidelines, permitting pre-employment, random, post-accident, and reasonable suspicion testing.
Yes. Employers in Maryland who implement a certified Drug-Free Workplace Program in compliance with Md. Code Ann., Health-Gen. § 17-214 can qualify for insurance premium discounts and enhanced legal protections during workers' compensation claims.
Under Maryland state law compliance standards, state statutes permits employers to maintain zero-tolerance drug-free workplaces. Safety-sensitive positions, DOT-regulated roles, and federal contract compliance remain strictly zero-tolerance across all jurisdictions.
Accredited Drug Testing provides access to 31 certified collection sites in the St. Charles area, offering urine, hair follicle, breath alcohol, and DOT testing.
While walk-ins are welcome with an electronic donor pass at collection sites across St. Charles, 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