Drug Test Services - Great Falls, MD

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

With 31 testing centers in the Great Falls 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.

31 Drug Test Service Centers in Great Falls

Minutes Away, Test Today

42010 Village Center Plz

2.42 mi
🕑 Testing Hours: Mon–Sat: 8:00 AM-8:00 PM✓ Walk-in with Electronic Donor Pass
42010 Village Center Plz
Stone Ridge, VA 20105

Po Box 59815

3.25 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
Po Box 59815
Rockville, MD 20859

106 Elden St Ste 18b,

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

14800 Physicians Ln Ste 131

6.94 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
14800 Physicians Ln Ste 131
Rockville, MD 20850

100 Maple Ave E

7.03 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
100 Maple Ave E
Vienna, VA 22180

208 Elden St

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

9707 Medical Center Dr Ste 120,

7.24 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-11:00 AM & 1:00 PM-2:30 PM✓ Walk-in with Electronic Donor Pass
9707 Medical Center Dr Ste 120,
Rockville, MD 20850

15005 Shady Grove Rd Ste 450

7.47 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
15005 Shady Grove Rd Ste 450
Rockville, MD 20850

462 Herndon Pkwy Ste 103

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

15225 Shady Grove Road, Suite 207

7.85 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-11:30 AM & 1:00 PM-2:00 PM✓ Walk-in with Electronic Donor Pass
15225 Shady Grove Road, Suite 207
Rockville, MD 20850

46440 Benedict Dr Ste 108

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

8218 Wisconsin Ave Ste 208

8.09 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
8218 Wisconsin Ave Ste 208
Bethesda, MD 20814

920 W Broad St Ste B

8.47 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
920 W Broad St Ste B
Falls Church, VA 22046

21525 Ridgetop Cir Ste 260

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

21036 Tripleseven Rd

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

3020 Hamaker Court, B-110

9.27 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3020 Hamaker Court, B-110
Fairfax, VA 22031

2 Pidgeon Hill Dr Suite 120,

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

8316 Arlington Blvd Ste 206

9.49 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
8316 Arlington Blvd Ste 206
Fairfax, VA 22031

8501 Arlington Blvd Ste 120,

9.52 mi
🕑 Testing Hours: Mon–Fri: 7:30 AM-3:30 PM • Sat: 7:00 AM-10:30 AM✓ Walk-in with Electronic Donor Pass
8501 Arlington Blvd Ste 120,
Fairfax, VA 22031

2 Lyndhurst Ct

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

8945 N Westland Dr

9.99 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
8945 N Westland Dr
Gaithersburg, MD 20877

431 N Frederick Ave Gaithersburg

9.99 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
431 N Frederick Ave Gaithersburg
Gaithersburg, MD 20877

45305 Catalina Ct Ste 103

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

3650 Joseph Siewick Dr Ste 400

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

803 Russell Ave

10.70 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
803 Russell Ave
Gaithersburg, MD 20879

11002 Veirs Mill Rd Ste 700

10.74 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
11002 Veirs Mill Rd Ste 700
Wheaton, MD 20902

1005 N Glebe Rd Ste 140

10.82 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1005 N Glebe Rd Ste 140
Arlington, VA 22201

6064 Arlington Blvd, Falls Church Medical Center

10.88 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
6064 Arlington Blvd, Falls Church Medical Center
Falls Church, VA 22044

9801 Georgia Ave Ste 222

10.98 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
9801 Georgia Ave Ste 222
Silver Spring, MD 20902

10721 Main St Ste 3100

11.23 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
10721 Main St Ste 3100
Fairfax, VA 22030

10721 Main Street, Suite 1400

11.24 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

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, a conventional method used to detect illicit drugs and prescriptions, remains a critical tool in safety and compliance programs. Utilizing enzyme immunoassay screening and gas chromatography/mass spectrometry confirmation, it provides reliable data for informed decision-making. Learn More

Purpose of Urine Drug Testing

  • Ensure Workplace Safety
  • Enhance Compliance with Regulations
  • Monitor Substance Abuse Treatment
  • Post-Accident Investigation
  • Pre-Employment Screening
  • Random Testing in Safety-Sensitive Positions

What Drugs Can Be Detected

  • Marijuana
  • Cocaine
  • Opiates
  • Amphetamines
  • Benzodiazepines
  • Barbiturates

By providing detailed insights into an individual’s drug use, urine drug testing in Great Falls, Maryland serves as a vital instrument in promoting healthier and safer communities.

Order Your Test Online

Alcohol Test Services

Alcohol testing in Great Falls, Maryland is a critical component of maintaining safety and compliance in many environments. Such tests help identify individuals who may be under the influence, ensuring safe operations and adherence to policies. Alcohol tests can be conducted via different methods with varying levels of accuracy and detection periods.
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Alcohol Testing is used in many settings

  • Workplace safety programs
  • Legal and court compliance
  • Rehabilitation monitoring
  • Personal health assessments
  • Transportation safety checks

Common Methods of Alcohol Testing

  • Breathalyzer
  • Blood testing
  • Saliva testing
  • Urine testing
  • Hair analysis

Breathalyzer - Used for quick and immediate results on alcohol concentration in the breath.

Blood testing - Provides precise blood alcohol content and is often used in legal contexts.

Saliva testing - Offers a non-invasive means of detecting recent alcohol use.

Urine testing - Utilized for detecting alcohol consumption within a certain timeframe.

Hair analysis - Used for detecting long-term alcohol consumption patterns.

Order Your Test Online

Hair Follicle Drug Testing Services

Hair follicle drug testing analyzes strands of hair to identify drug use over extended periods, often up to 90 days. This method requires a small sample and offers a longer detection window compared to other screening types, making it ideal for detailed drug use analysis.

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Why Use Hair Drug Testing?

  • Long detection window
  • Non-invasive collection
  • Hard to adulterate
  • Comprehensive history
  • Reliable results

What Drugs Can Be Detected

  • Cocaine
  • Marijuana
  • Opiates
  • Methamphetamines
  • Ecstasy

In Great Falls, Maryland, hair follicle testing is a robust and effective way to monitor drug use, providing employers and legal entities with crucial information about an individual's substance history.

Order Your Test Online

DOT Drug Testing Services

DOT drug testing is standardized testing mandated by the Department of Transportation for safety-sensitive employees. Designed to ensure public safety, it follows strict guidelines and procedures to assess substance abuse, primarily targeting those operating transportation vehicles.

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Who is Required to Take DOT Drug Tests?

  • Commercial truck drivers
  • Pilots and flight crew
  • Maritime employees
  • Railroad workers
  • Public transit workers
  • Pipeline personnel

What Drugs Are Tested For

  • Marijuana
  • Cocaine
  • Amphetamines
  • Opiates
  • PCP

In Great Falls, Maryland, DOT drug testing is a critical safeguard, ensuring that professionals responsible for public safety are drug-free. By adhering to DOT standards, these tests help maintain a trustworthy transportation network.

Order Your Test Online

Probation Drug Testing Services

Probation drug testing services in Great Falls, Maryland play a critical role in monitoring individuals' compliance with probation terms. Such testing helps in confirming abstinence from drugs, ensuring individuals adhere to judicial requirements and assisting them in maintaining a lifestyle free from substance abuse.

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  • Deterrence: Discourages drug use by mandatory compliance.
  • Rehabilitation: Supports recovery efforts.
  • Accountability: Provides data for legal monitoring.
  • Safety: Ensures community protection.
  • Monitoring: Tracks progress for corrections officials.

Testing Methods

  • Urine tests: Cost-effective and widely used.
  • Hair follicle tests: Offers a long-term detection window.
  • Saliva tests: Detects recent drug intake.
  • Blood tests: Gives precise drug presence levels at testing time.

The probation drug testing system is a cornerstone of the legal monitoring process in Great Falls, Maryland, providing an essential service that aids rehabilitation and ensures compliance with court mandates.

Order Your Test Online

Court Ordered Drug Testing Services

Court ordered drug testing in Great Falls, Maryland is implemented to monitor individuals as mandated by legal proceedings. This testing ensures compliance with court orders, aiding in decision-making processes. By testing for a variety of substances, it plays a critical role in legal and rehabilitation settings, ensuring justice is served.

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Why are Court Ordered Drug Test Services Available?

  • Ensuring compliance with legal requirements
  • Monitoring rehabilitation progress
  • Supporting child custody decisions
  • Preventing substance abuse
  • Protecting community safety

Court Ordered Test Methods

  • Urine tests: Most common and cost-effective
  • Hair follicle tests: Provides extended detection
  • Saliva tests: Quick and less invasive
  • Blood tests: Offers detailed information
  • Nail tests: Long-term detection window

In Great Falls, Maryland, court ordered drug testing upholds judicial integrity by ensuring all monitored individuals adhere to legal directives, thus contributing to the public's well-being and system efficacy.

Order Your Test Online

Fingernail Drug Testing Services

Fingernail drug testing in Great Falls, Maryland is an innovative method to assess long-term drug use through keratin analysis in nails. This method offers an extended detection window and is resistant to adulteration, providing reliable insights into an individual’s drug consumption history. It is applicable for legal, employment, and personal assessments.

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What is the Detection Window for Fingernail Drug Tests

  • Fingernails: Offers a drug use history span of 3-6 months.
  • Toenails: Provides a slightly longer detection period than fingernails.

What Drugs Can Be Detected

  • Methamphetamines
  • Cocaine
  • Opiates
  • Marijuana
  • Ecstasy

Advantages over other methods

  • Long detection window
  • Less invasive
  • Difficult to adulterate
  • Suits various settings
  • Support legal and employment cases

In Great Falls, Maryland, fingernail drug testing is embraced for its accuracy and tamper-proof nature, making it an invaluable tool in multiple drug testing scenarios.

Order Your Test Online

Occupational Health Test Services

Urine drug testing in NJ is part of comprehensive occupational health testing to ensure workplace safety. It identifies drug use among employees, helping maintain a healthy work environment and comply with safety regulations, which is vital for productivity and legal adherence.

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Purpose of Occupational Health Testing

  • Ensure employee health and safety
  • Boost overall workplace productivity
  • Comply with occupational health standards
  • Detect and prevent substance abuse
  • Provide baseline health assessments
  • Support wellness programs

Common Types of Occupational Health Tests

  • Fitness for duty exams: Assess ability to perform specific job functions.
  • Respirator Fit Testing: Ensure proper respirator fit for protective use.
  • Pulmonary Function Tests (PFT's): Evaluate lung capacity for occupational exposure situations.
  • Tuberculosis (TB): Screen for TB infection and prevent workplace transmission.
  • Vision: Check visual acuity necessary for job tasks.
  • Audiometric: Assess hearing capabilities in noisy environments.

Through these procedures, NJ workplaces foster a secure and efficient operational environment, adhering to health standards.

Order Your Test Online

Drug Statistics for Great Falls, Maryland

Drug-related issues in Great Falls, Maryland, reflect broader statewide trends as the community actively works to combat substance misuse. According to public health data, the prevalence of drug use, especially opioids, has been a concern, though efforts at prevention and education have shown some positive impact.

The region has implemented several strategies aimed at reducing substance abuse, with a focus on increasing access to treatment facilities and educational programs. Community-driven initiatives play a key role in addressing these challenges, emphasizing the importance of collaboration among local stakeholders.

Drug Testing Regulations in Maryland

Employer drug testing in Great Falls must comply with state guidelines under Md. Code Ann., Health-Gen. § 17-214. Maryland Health-General § 17-214 mandates certified laboratory procedures and applicant notification rules while protecting employer drug-free policies.

Medical Marijuana Status: Legal  |  Recreational Marijuana Status: Legal

Surrounding Areas Served Near Great Falls

Potomac • North Potomac • Travilah • Cabin John • Scotland • Glen Echo • Barton • Brookmont

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

Great Falls Drug Testing

Quickly find trusted local drug testing centers in Great Falls, MD — fast, convenient, and reliable every time!

Great Falls DOT Drug Testing

Quickly find a local DOT drug testing center in Great Falls, MD — fast, reliable, convenient nationwide service!

Great Falls DNA Testing

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

Great Falls Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in Great Falls, MD.v

Great Falls Hair Drug Testing

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

Great Falls Alcohol Testing

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

Great Falls Drug Testing Services

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

Great Falls 5 Panel Drug Test

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

Great Falls 10 Panel Drug Test

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

Great Falls On Site Drug Testing

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

Great Falls DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Great Falls, 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 0 certified collection sites in the Great Falls area, offering urine, hair follicle, breath alcohol, and DOT testing.
While walk-ins are welcome with an electronic donor pass at collection sites across Great Falls, 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

Fast and easy

It was fast and easy a pleasure to talk to the customer service people great service

Peter Villegas - 1/19/2025

Very Fun and Easy

Trish last week and Tatiana this week, very fun and easy folks to deal with. Well be using them more and more in the future.

Tom O - 12/19/2024

Had very fast and good service

Had very fast and good service, was able to get an appointment same day with the nearest facility. My questions were answered thoroughly but quick. Definitely recommend

Jacob Matzke - 11/19/2024

quick to assist

They are very quick to assist with your orders and they helped when I needed to find a new testing facility.

Gary Matkin - 2/19/2025

Great experience

Great experience and great lab. Customer service agent was very helpful.

Jenna Bee - 2/19/2025

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

test was quick and easy

Company New Hire Employee Process for DOT Drug test was quick and easy. No need to make appt. All employee had to do is show prepaid qr code I sent to employee show ID and was set. Would Recommend.

Maria Lopez - 11/19/2024

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

Saved My CDL!

Time was running out before my Cdl got downgraded because of a violation I had on clearinghouse. I couldn't find an employer to send me for my return to duty test, but these guys had my test scheduled and done in the same day! They saved my cdl. Thank you again!

Michael Williams - 12/2/2024

Super helpful

Customer service was surprisingly super helpful and so nice. She was able to get me in at a local location right away the same day. She helped me figure out exactly what I needed. Very impressed.

Brook - 9/19/2024


(800) 221-4291