Drug Test Services - Colesville, MD

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

With 37 testing centers in the Colesville 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.

37 Drug Test Service Centers in Colesville

Minutes Away, Test Today

13823 Outlet Dr

3.00 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
13823 Outlet Dr
Silver Spring, MD 20904

11002 Veirs Mill Rd Ste 700

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

3676 Alpen Greenway

4.32 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3676 Alpen Greenway
Burtonsville, MD 20866

9801 Georgia Ave Ste 222

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

10452 Baltimore Ave

5.58 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
10452 Baltimore Ave
Beltsville, MD 20705

4729 Sellman Rd

5.66 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4729 Sellman Rd
Beltsville, MD 20705

8121 Georgia Ave Ste 208

6.03 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
8121 Georgia Ave Ste 208
Silver Spring, MD 20910

1401 Blair Mill Rd Apt 1222

6.13 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1401 Blair Mill Rd Apt 1222
Silver Spring, MD 20910

18111 Prince Philip Dr, Ste T12

6.14 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
18111 Prince Philip Dr, Ste T12
Olney, MD 20832

6201 Greenbelt Rd, Suite M3

7.48 mi
🕑 Facility: Mon–Fri: 07:00 AM - 04:00 PM⚡ Drug Screens: Mon–Fri: 09:00 AM - 02:00 PM
6201 Greenbelt Rd, Suite M3
College Park, MD 20740

8218 Wisconsin Ave Ste 208

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

8768 Susini Dr

7.81 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
8768 Susini Dr
Laurel, MD 20723

7933 Belle Point Dr

8.07 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
7933 Belle Point Dr
Greenbelt, MD 20770

P. O. Box 376

8.21 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
P. O. Box 376
Laurel, MD 20725

920 Varnum St Ne

9.19 mi
🕑 Testing Hours: M-Th 9:30 AM-7:00 PM • F 9:30 AM-4:00 PM • Sat: 10:00 AM-2:00 PM✓ Walk-in with Electronic Donor Pass
920 Varnum St Ne
Washington, DC 20017

3422 Georgia Ave Nw

9.98 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-1:00 PM✓ Walk-in with Electronic Donor Pass
3422 Georgia Ave Nw
Washington, DC 20010

15225 Shady Grove Road, Suite 207

10.26 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

15005 Shady Grove Rd Ste 450

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

9707 Medical Center Dr Ste 120,

10.53 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

On-site Only

10.76 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
On-site Only
Laurel, MD 20724

Po Box 59815

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

10117 Palamar Dr

11.01 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
10117 Palamar Dr
Lanham, MD 20706

911 U St Nw

11.03 mi
🕑 Testing Hours: Mon–Fri: 9:00 AM-3:30 PM✓ Walk-in with Electronic Donor Pass
911 U St Nw
Washington, DC 20001

8945 N Westland Dr

11.14 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

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

14800 Physicians Ln Ste 131

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

11055 Little Patuxent Pkwy, Suite 202

11.50 mi
🕑 Testing Hours: Mon–Fri: 7:00 AM-3:30 PM • Sat: 7:00 AM-9:00 AM✓ Walk-in with Electronic Donor Pass
11055 Little Patuxent Pkwy, Suite 202
Columbia, MD 21044

1145 19th Street Nw Suite 506

11.97 mi
🕑 Testing Hours: Mon–Sat: 8:00 AM-5:00 PM • Sun: 10:00 AM-3:00 PM✓ Walk-in with Electronic Donor Pass
1145 19th Street Nw Suite 506
Washington, DC 20036

1140 19th St Nw Ste 700

11.97 mi
🕑 Testing Hours: Mon–Sat: 8:00 AM-8:00 PM • Sun: 10:00 AM-6:00 PM✓ Walk-in with Electronic Donor Pass
1140 19th St Nw Ste 700
Washington, DC 20036

1145 19th St Nw Ste 601

11.99 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1145 19th St Nw Ste 601
Washington, DC 20036

2440 M St Nw Ste 414,

12.10 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2440 M St Nw Ste 414,
Washington, DC 20037

6656 Dobbin Rd

12.13 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
6656 Dobbin Rd
Columbia, MD 21045

2029 K St Nw Ste 301

12.18 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2029 K St Nw Ste 301
Washington, DC 20006

815 Connecticut Ave Nw

12.26 mi
🕑 Testing Hours: Mon–Fri: 11:30 AM-7:00 PM • Sat: 10:00 AM-3:00 PM • Sun: 1:00 PM-5:00 PM✓ Walk-in with Electronic Donor Pass
815 Connecticut Ave Nw
Washington, DC 20006

803 Russell Ave

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

4451 Parliament Pl Ste G

12.45 mi
🕑 Testing Hours: Mon–Fri: 7:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
4451 Parliament Pl Ste G
Lanham, MD 20706

4121 Minnesota Ave Ne

12.60 mi
🕑 Testing Hours: Mon–Fri: 9:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
4121 Minnesota Ave Ne
Washington, DC 20019

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 in Colesville, Maryland is a reliable method that detects recent drug use by analyzing urine samples. It's non-invasive and commonly used for pre-employment screening and monitoring individuals in various settings.

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Purpose of Urine Drug Testing

  • Pre-employment screening
  • Random workplace testing
  • Legal and court mandates
  • Rehabilitation programs monitoring
  • Sports organizations testing

What Drugs Can Be Detected

  • Marijuana
  • Cocaine
  • Opiates
  • Amphetamines
  • Methamphetamines

Choosing urine drug testing in Colesville, Maryland offers an efficient, cost-effective, and accurate means to ensure compliance and safety across various sectors.

Order Your Test Online

Alcohol Test Services

Alcohol testing determines the presence and concentration of alcohol in the body, often using breath, blood, saliva, or urine samples. These tests are crucial in various fields, ensuring safety and compliance with laws, by identifying individuals who may be under the influence.

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Alcohol Testing is used in Many Settings

  • Workplace safety checks
  • Law enforcement
  • Medical diagnosis
  • Rehabilitation programs
  • Post-accident investigation

Common Methods of Alcohol Testing

  • Breathalyzer
  • Blood tests
  • Saliva tests
  • Urine tests
  • Hair tests

Breathalyzer - A device used to estimate blood alcohol content (BAC) through a breath sample.

Blood tests - Directly measures the alcohol concentration in the bloodstream.

Saliva tests - Detects presence of alcohol in saliva offering quicker results.

Urine tests - Analyzes urine sample, often used in laboratory settings.

Hair tests - Determines long-term alcohol consumption patterns.

Order Your Test Online

Hair Follicle Drug Testing Services

In Colesville, Maryland, hair follicle drug testing is a reliable method for long-term drug use detection. This non-invasive procedure analyzes hair samples to reveal a person's drug history over several months. It is unaffected by most external factors, making it a preferred choice for many settings.

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Why Use Hair Drug Testing?

  • Long detection window
  • Difficult to adulterate
  • Non-invasive procedure
  • High accuracy
  • Comprehensive substance profile
  • Reliable for court cases

What Drugs Can Be Detected

  • Cocaine
  • Opiates
  • Amphetamines
  • Marijuana
  • PCP
  • Ecstasy

For comprehensive drug history assessment in Colesville, Maryland, hair follicle testing stands out because it offers unmatched accuracy over extended periods. This method is ideal for legal, employment, or personal clarity needs.

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 Colesville, 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 in Colesville, Maryland is a mandatory process for individuals on probation to ensure adherence to court-mandated sobriety. It involves regular tests to detect illicit substances and maintain public safety.

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Why Are Probation Drug Test Services Available?

  • Ensure compliance: Monitors adherence to legal stipulations
  • Rehabilitation support: Aids in substance abuse recovery
  • Public safety: Protects the community
  • Judicial accountability: Holds individuals accountable
  • Risk assessment: Evaluates risk of reoffending

Testing Methods

  • Urine tests: Detect recent substance use
  • Hair follicle tests: Reveal long-term use
  • Saliva tests: Quick, non-invasive detection
  • Blood tests: Accurate detection of current use

In Colesville, Maryland, probation drug testing ensures that individuals on probation maintain sobriety, thereby supporting their reintegration into society and safeguarding community welfare.

Order Your Test Online

Court Ordered Drug Testing Services

Court ordered drug testing in Colesville, Maryland is mandated by the judiciary for various legal proceedings. It's a reliable method to ensure individuals comply with legal stipulations related to drug use. This testing is often compulsory in cases involving child custody, probation, and other legal matters.

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  • Ensures compliance with legal requirements
  • Supports family law cases
  • Aids in custody decisions
  • Monitors individuals in recovery
  • Enhances public safety
  • Provides evidence in court proceedings

Court Ordered Test Methods

  • Urine tests: Economical and results are quickly available.
  • Hair follicle tests: Reveals past drug use over a few months.
  • Saliva tests: Offers immediate results for recent usage detection.
  • Blood tests: Shows exact levels of substances in the system.
  • Nail tests: Long-term detection similar to hair testing.

In Colesville, Maryland, court ordered drug testing is an essential component of the justice system's goal to maintain public safety and uphold the legal process.

Order Your Test Online

Fingernail Drug Testing Services

Fingernail drug testing examines keratin samples to detect substance use over extended periods. Offering a unique detection window, it can track drug consumption months prior. The process is non-invasive and provides a robust alternative to conventional drug testing techniques.

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What is the Detection Window for Fingernail Drug Tests

  • Fingernails: Detects drug use over 3-6 months
  • Toenails: Can show use up to 12 months

What Drugs Can Be Detected

  • Marijuana
  • Cocaine
  • Opiates
  • Methamphetamines
  • PCP
  • Ecstasy

Advantages over other methods

  • Long detection period
  • Non-invasive
  • Low risk of adulteration
  • Comprehensive historical view
  • Suitable for verification

In Colesville, Maryland, fingernail drug testing provides an innovative approach to substance detection. Its extensive detection timeline and reliable results make it an ideal choice for both individuals and organizations.

Order Your Test Online

Occupational Health Test Services

Occupational health testing in Colesville, Maryland serves to monitor employee health and prevent work-related injuries or illnesses. These tests assess an individual's ability to perform job duties safely and effectively. By ensuring fitness for duty, they help reduce workplace accidents and maintain productivity.

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Purpose of Occupational Health Testing

  • Enhancing workplace safety
  • Complying with regulatory standards
  • Identifying health risks early
  • Preventing occupational diseases
  • Supporting employee wellness
  • Ensuring legal and insurance compliance

Common Types of Occupational Health Tests

  • Fitness for duty exams: Evaluates physical ability to perform tasks.
  • Respirator Fit Testing: Ensures the proper fit for safety equipment.
  • Pulmonary Function Tests (PFT's): Assesses lung capacity and health.
  • Tuberculosis (TB): Checks for active or latent TB infections.
  • Vision: Ensures employees meet visual requirements for safety.
  • Audiometric: Monitors hearing health for noise-exposed workers.

Occupational health testing in Colesville, Maryland is vital for maintaining a safe working environment and promoting the overall wellbeing of employees. It ensures operational efficiency while safeguarding workforce health.

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Drug Statistics for Colesville, Maryland

Current and accurate drug-related statistics specific to Colesville, Maryland, are not readily available. However, general trends in Montgomery County may provide some insight. The county has seen efforts to combat substance misuse, with various programs focused on prevention, education, and support for affected individuals.

Local law enforcement and health organizations often collaborate to address drug-related issues, aiming to balance enforcement with rehabilitation. These efforts reflect broader state and national trends in tackling the drug crisis, where community engagement and comprehensive care are emphasized.

Drug Testing Regulations in Maryland

Employer drug testing in Colesville 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 Colesville

Sherwood • Cloverly • Fairland • White Oak • Layhill • Kemp Mill • Glenmont • Spencerville

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

Colesville Drug Testing

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

Colesville DOT Drug Testing

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

Colesville DNA Testing

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

Colesville Industry Training

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

Colesville Hair Drug Testing

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

Colesville Alcohol Testing

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

Colesville Drug Testing Services

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

Colesville 5 Panel Drug Test

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

Colesville 10 Panel Drug Test

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

Colesville On Site Drug Testing

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

Colesville DOT Physicals

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

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

Everything was great

Everything was great, the staff was very polite. Thank you.

Olga Petrova - 9/19/2024

Extremely polite

They were very fast extremely polite walked you through every detail of the process if you had any questions they had no problems answering

Billy Williams - 2/19/2025


(800) 221-4291