Drug Test Services - Adelphi, MD

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

With 38 testing centers in the Adelphi 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.

38 Drug Test Service Centers in Adelphi

Minutes Away, Test Today

8121 Georgia Ave Ste 208

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

10452 Baltimore Ave

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

1401 Blair Mill Rd Apt 1222

3.36 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

6201 Greenbelt Rd, Suite M3

3.54 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

9801 Georgia Ave Ste 222

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

4729 Sellman Rd

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

920 Varnum St Ne

4.34 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

7933 Belle Point Dr

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

11002 Veirs Mill Rd Ste 700

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

3422 Georgia Ave Nw

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

13823 Outlet Dr

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

911 U St Nw

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

8218 Wisconsin Ave Ste 208

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

4121 Minnesota Ave Ne

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

10117 Palamar Dr

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

3676 Alpen Greenway

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

1145 19th Street Nw Suite 506

7.77 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

7.78 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

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

815 Connecticut Ave Nw

7.93 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

2029 K St Nw Ste 301

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

2440 M St Nw Ste 414,

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

4451 Parliament Pl Ste G

8.16 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

3510 Heidi Ln

8.47 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3510 Heidi Ln
Springdale, MD 20774

P. O. Box 376

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

12200 Annapolis Rd, Suite 120

9.82 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
12200 Annapolis Rd, Suite 120
Glenn Dale, MD 20769

1600a Brightseat Rd Apt 301

9.98 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1600a Brightseat Rd Apt 301
Hyattsville, MD 20785

8700 Central Ave Ste 204

10.00 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
8700 Central Ave Ste 204
Landover, MD 20785

8768 Susini Dr

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

3301 Wilson Blvd

10.71 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3301 Wilson Blvd
Arlington, VA 22201

11947 Winged Foot Ct

10.86 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
11947 Winged Foot Ct
Waldorf, MD 20602

On-site Only

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

9141 Alaking Ct Ste 112

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

1005 N Glebe Rd Ste 140

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

18111 Prince Philip Dr, Ste T12

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

3263 Columbia Pike

11.65 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3263 Columbia Pike
Arlington, VA 22204

Po Box 59815

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

11435 Abbottswood Ct

11.77 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
11435 Abbottswood Ct
Upper Marlboro, MD 20774

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 is a method of detecting drugs in an individual's system by analyzing their urine sample. It's widely used due to its reliability and non-invasive nature. This type of drug test can detect recent drug use, typically within a few days for most substances, though some can be detected for longer.

Learn More

Purpose of Urine Drug Testing

  • Pre-employment screening
  • Probation monitoring
  • DOT compliance
  • Post-accident investigation
  • Workplace safety assurance
  • Rehabilitation programs

What Drugs Can Be Detected

  • Marijuana
  • Cocaine
  • Amphetamines
  • Opioids
  • Benzodiazepines
  • Barbiturates

In Adelphi, Maryland, urine drug testing offers a practical and efficient way for employers and legal authorities to uphold regulations and ensure the integrity of their operations.

Order Your Test Online

Alcohol Test Services

Alcohol testing in Adelphi, Maryland measures the presence of ethanol, the main psychoactive component in alcoholic drinks, within the body. Commonly used in legal settings, workplace safety programs, and rehabilitation centers, it detects recent alcohol consumption and impairment by analyzing breath, blood, saliva, or urine samples.

Learn More

Alcohol Testing is used in many settings

  • Workplace safety programs
  • Law enforcement checkpoints
  • Legal obligations
  • Post-incident testing
  • Rehabilitation monitoring

Common Methods of Alcohol Testing

  • Breathalyzer
  • Blood test
  • Saliva test
  • Urine test
  • Hair test

Breathalyzer - Measures Breath Alcohol Content (BrAC).

Blood test - Offers precise Blood Alcohol Content (BAC).

Saliva test - Detects recent consumption quickly.

Urine test - Indicates usage over a few days.

Hair test - Extended detection window.

Order Your Test Online

Hair Follicle Drug Testing Services

Hair follicle drug testing in Adelphi, Maryland is an effective method for detecting past drug use, providing a long detection window of up to 90 days. It involves analyzing a small sample of hair for drug metabolites, offering reliable and court-admissible results.

Learn More

Why Use Hair Drug Testing?

  • Long detection period
  • Non-invasive procedure
  • Difficult to adulterate
  • Comprehensive drug screening
  • Ideal for court cases

What Drugs Can Be Detected

  • Cocaine
  • Marijuana
  • Opiates
  • Amphetamines
  • PCP

Hair follicle drug testing in Adelphi, Maryland offers a comprehensive solution for long-term substance use detection, providing peace of mind for employers and legal professionals.

Order Your Test Online

DOT Drug Testing Services

DOT drug testing involves the regulation-mandated screening of safety-sensitive employees, mainly within the transportation industry. Governed by U.S. Department of Transportation guidelines, it requires compliance from organizations employing drivers, pilots, and others, ensuring the safety and reliability of public and commercial transit services across Adelphi, Maryland.

Learn More

Who is Required to Take DOT Drug Tests?

  • Commercial drivers
  • Pipeline workers
  • Aircraft personnel
  • Transit operators
  • Railroad employees
  • School bus drivers

What Drugs Are Tested For

  • Marijuana
  • Cocaine
  • Opiates
  • Amphetamines
  • PCP

DOT drug testing in Adelphi, Maryland helps maintain safety standards in critical public and private transportation sectors, reducing risks and ensuring compliance with federal mandates.

Order Your Test Online

Probation Drug Testing Services

Probation drug testing in , Adelphi, Maryland is a crucial tool used by law enforcement to monitor individuals on probation. It serves as a compliance measure to ensure individuals adhere to probation conditions by abstaining from substance use, ultimately promoting rehabilitation.

Learn More

Why Are Probation Drug Test Services Available?

  • Rehabilitation support: Assists in recovery accountability
  • Compliance monitoring: Ensures adherence to probation terms
  • Public safety: Protects communities from potential dangers
  • Recidivism prevention: Reduces chances of re-offending
  • Court directives: Compliance with legal orders

Testing Methods

  • Urine tests: Standard for detecting recent use
  • Hair follicle tests: Offers long-term drug history
  • Saliva tests: Quick and non-invasive
  • Blood tests: Provides precise substance information

In , Adelphi, Maryland, probation drug testing is vital for maintaining the integrity of the criminal justice system, ensuring both public safety and personal rehabilitation.

Order Your Test Online

Court Ordered Drug Testing Services

Court ordered drug testing in Adelphi, Maryland ensures individuals comply with legal directives, often part of probation or custody cases. These tests aim to maintain legal standards and support well-being.

Learn More

Why Are Court Ordered Drug Test Services Available?

  • Ensure legal compliance
  • Support custody decisions
  • Monitor substance abuse recovery
  • Provide evidence in legal proceedings
  • Maintain public safety

Court Ordered Test Methods

  • Urine tests: Confirm recent drug usage.
  • Hair follicle tests: Track extended use history.
  • Saliva tests: Fast and painless.
  • Blood tests: Detailed drug level analysis.
  • Nail tests: Long-term detection up to six months.

In Adelphi, Maryland, these tests play a crucial role in upholding justice and ensuring individuals adhere to court stipulations.

Order Your Test Online

Fingernail Drug Testing Services

In Adelphi, Maryland, fingernail drug testing is an innovative method capturing drug use over an extended period, commonly up to 6 months. As keratin in nails grows, it embeds drug metabolites, offering a unique trace of drug history compared to other methods. Learn More

Title here...

  • Fingernails: Typically, detect a 3-6 month history of use, depending on growth.
  • Toenails: Provide a longer detection window, up to a year, due to slower growth rate.

What Drugs Can Be Detected

  • Cocaine
  • Opiates
  • Methamphetamines
  • Marijuana
  • Benzodiazepines
  • Barbiturates

Advantages over other methods

  • Longer detection period
  • Non-invasive collection
  • Reduced risk of contamination
  • Effective for history tracking
  • Robust against adulteration
  • Preferred for legal scenarios

Fingernail drug testing in Adelphi, Maryland offers unparalleled insights into habits, providing a reliable, long-term overview of an individual's substance use.

Order Your Test Online

Occupational Health Test Services

Occupational health testing is designed to evaluate and ensure the safety and health of employees in the workplace. It plays a crucial role in preventing occupational illnesses and promoting overall workforce wellness in Adelphi, Maryland, contributing to effective business operations.

Learn More

Purpose of Occupational Health Testing

  • Identify workplace hazards
  • Ensure employee safety
  • Maintain regulatory compliance
  • Reduce worker's compensation costs
  • Enhance employee productivity

Common Types of Occupational Health Tests

  • Fitness for duty exams: Assesses if an employee is fit for specific job tasks.
  • Respirator Fit Testing: Ensures protective equipment efficacy.
  • Pulmonary Function Tests (PFT's): Measures lung function for at-risk workers.
  • Tuberculosis (TB): Screens for infectious diseases.
  • Vision: Monitors eye health and readiness for visual tasks.
  • Audiometric: Tests hearing to prevent occupational hearing loss.

In Adelphi, Maryland, occupational health testing ensures safer work environments, fostering happier and healthier employees and helping employers meet compliance mandates.

Order Your Test Online

Drug Statistics for Adelphi, Maryland

General drug-related statistics for Adelphi, Maryland, are not explicitly detailed; however, being part of Prince George's County, data can be referenced on a broader scale.


Prince George's County has initiated various programs to address substance abuse, focusing on education and prevention to reduce drug misuse in communities.


Efforts in the region include support for treatment facilities and community outreach programs aimed at reducing the impact of drug-related issues and promoting healthier lifestyles for residents.

Drug Testing Regulations in Maryland

Employer drug testing in Adelphi 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 Adelphi

Langley Park • Hillandale • College Park • Four Corners • Takoma Park • White Oak • University Park • Chillum

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

Adelphi Drug Testing

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

Adelphi DOT Drug Testing

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

Adelphi DNA Testing

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

Adelphi Industry Training

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

Adelphi Hair Drug Testing

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

Adelphi Alcohol Testing

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

Adelphi Drug Testing Services

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

Adelphi 5 Panel Drug Test

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

Adelphi 10 Panel Drug Test

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

Adelphi On Site Drug Testing

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

Adelphi DOT Physicals

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

This is by far the easiest

This is by far the easiest way to get my lab work ordered and paid for. The phone calls are short and to the point. They don’t try to push extra sales on you and when I walk in to the clinic I simply show my donor pass and with in a matter of minutes I’m done. I will continue to use ADT in the future.

Jason Jackson - 7/19/2025

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

Explained everything so no questions

Torin was great. Explained everything so no questions

Tony Lombardo - 4/18/2025


(800) 221-4291