Drug Test Services - Four Corners, MD

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

With 29 testing centers in the Four Corners 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.

29 Drug Test Service Centers in Four Corners

Minutes Away, Test Today

9801 Georgia Ave Ste 222

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

8121 Georgia Ave Ste 208

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

11002 Veirs Mill Rd Ste 700

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

1401 Blair Mill Rd Apt 1222

2.34 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

8218 Wisconsin Ave Ste 208

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

10452 Baltimore Ave

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

920 Varnum St Ne

5.46 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

4729 Sellman Rd

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

13823 Outlet Dr

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

6201 Greenbelt Rd, Suite M3

5.94 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

3422 Georgia Ave Nw

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

7933 Belle Point Dr

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

911 U St Nw

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

3676 Alpen Greenway

7.46 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

8.11 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

8.12 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

8.13 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,

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

2029 K St Nw Ste 301

8.32 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

8.39 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

4121 Minnesota Ave Ne

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

Po Box 59815

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

18111 Prince Philip Dr, Ste T12

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

10117 Palamar Dr

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

P. O. Box 376

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

3301 Wilson Blvd

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

8768 Susini Dr

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

4451 Parliament Pl Ste G

10.65 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

10.96 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3510 Heidi Ln
Springdale, 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 in Four Corners, Maryland is a widely used method for detecting the presence of illicit drugs in an individual's system. It is non-invasive, reliable, and can provide results quickly. Used in workplaces, healthcare settings, and for legal compliance, urine testing is standardized to ensure accuracy.

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Purpose of Urine Drug Testing

  • Pre-employment screening
  • Sports organizations compliance
  • Federally regulated industries
  • Substance abuse treatment monitoring
  • Random employee testing
  • Support in rehabilitation programs

What Drugs Can Be Detected

  • Amphetamines
  • Cocaine
  • Marijuana
  • Opiates
  • PCP
  • Benzodiazepines

In Four Corners, Maryland, urine drug testing is an essential tool for ensuring workplace safety and compliance with legal standards. Its quick turnaround and ability to detect multiple substances make it a preferred choice for various institutions.

Order Your Test Online

Alcohol Test Services

Alcohol testing in Four Corners, Maryland is an essential procedure utilized to measure the amount of alcohol present in an individual’s body. It ensures the safety and compliance in various environments, including workplaces and legal settings. With accurate measurement techniques, it supports responsible and safe behavior evaluation.

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Alcohol Testing is used in many settings

  • Workplace safety programs
  • Legal and court-mandated testing
  • Rehabilitation program monitoring
  • Random testing in schools
  • Compliance with transportation laws

Common Methods of Alcohol Testing

  • Breath analysis
  • Blood tests
  • Saliva tests
  • Urine tests
  • Sweat patches

Breath analysis - Used for immediate results at traffic stops or workplace sites.

Blood tests - Offers precise measurements, used in legal settings.

Saliva tests - Provides quick detection, often used in schools.

Urine tests - Monitors long-term use in rehabilitation programs.

Sweat patches - Detects continuous alcohol exposure over time.

Order Your Test Online

Hair Follicle Drug Testing Services

Hair follicle drug testing in Four Corners, Maryland is a definitive measure that reveals long-term substance use over a period of up to 90 days. This test utilizes a small sample of hair to trace drug metabolites that persist in the hair shaft, providing a record of past drug use without revealing more recent activity. It is often preferred due to its reliability.

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Why Use Hair Drug Testing?

  • Long detection period
  • Difficult to adulterate
  • Non-invasive collection
  • Suitable for legal contexts
  • Comprehensive results

What Drugs Can Be Detected

  • Cocaine
  • Heroin
  • Amphetamines
  • MDMA
  • Marijuana

In Four Corners, Maryland, using hair follicle tests enables organizations to uphold standards of accountability and safety by utilizing a testing method that provides a detailed view of an individual's drug history, thus reinforcing drug-free commitments over the long term.

Order Your Test Online

DOT Drug Testing Services

DOT drug testing in Four Corners, Maryland is a federally mandated program aimed at ensuring safety in the transportation industry. This testing is required for individuals holding safety-sensitive positions such as commercial drivers and pilots. The DOT procedure involves standardized tests to detect prohibited substances.Learn More

Who is Required to Take DOT Drug Tests?

  • Commercial drivers
  • Aviation personnel
  • Pipeline workers
  • Transit workers
  • Railroad employees
  • Maritime workers

What Drugs Are Tested For

  • Marijuana
  • Cocaine
  • Opioids
  • Phencyclidine (PCP)
  • Amphetamines

DOT drug testing in Four Corners, Maryland ensures that individuals in safety-critical roles comply with federal regulations. It plays a significant role in maintaining public safety on roads, in the air, and across transportation services.

Order Your Test Online

Probation Drug Testing Services

Probation drug testing in Four Corners, Maryland is crucial for monitoring individuals on probation. It includes regular drug tests intended to assess and ensure compliance with court-imposed conditions. These tests act as an ongoing safeguard, endorsing rehabilitation and reducing recidivism among offenders who may struggle with substance abuse.

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Why Are Probation Drug Test Services Available?

  • Rehabilitation support: Encourages sobriety and accountability.
  • Compliance assurance: Ensures adherence to legal conditions.
  • Public safety: Minimizes risks to the community.
  • Relapse prevention: Identifies early signs of drug use.
  • Judicial oversight: Provides courts with actionable data.

Testing Methods

  • Urine tests: Standard testing for recent drug use.
  • Hair follicle tests: Detects drug use history.
  • Saliva tests: Non-invasive and quick results.
  • Blood tests: In-depth analysis of drug presence.

In Four Corners, Maryland, probation drug testing fosters a safety net that supports individuals in adhering to legal requirements, contributing to their rehabilitation and social reintegration.

Order Your Test Online

Court Ordered Drug Testing Services

Court ordered drug testing measures an individual's compliance with specific drug-use prohibitions imposed by a court. It involves scheduled or random testing based on legal requirements.

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Why are Court Ordered Drug Test Services Available?

  • Ensure compliance with court mandates
  • Promote client rehabilitation
  • Assist in custody disputes
  • Support family welfare cases
  • Monitor parole or probation requirements

Court Ordered Test Methods

  • Urine tests: Common for frequent monitoring
  • Hair follicle tests: Useful for long-term analysis
  • Saliva tests: Fast and non-invasive
  • Blood tests: For detailed drug presence analysis
  • Nail tests: Effective for long detection windows

In Four Corners, Maryland, court ordered drug testing is an essential process that helps ensure that individuals adhere to legal rulings and make genuine attempts toward rehabilitation and societal integration.

Order Your Test Online

Fingernail Drug Testing Services

Fingernail drug testing provides a forensic measure of substance use by analyzing samples from both fingernails and toenails. This non-invasive test offers insight into long-term drug exposure, as nails capture metabolites over a significant time.

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What is the Detection Window for Fingernail Drug Tests

  • Fingernails: Can reveal drug exposure for up to 6 months
  • Toenails: Often used for a longer detection period of up to 12 months

What Drugs Can Be Detected

  • Marijuana
  • Cocaine
  • Opiates
  • Methamphetamine
  • Benzodiazepines

Advantages over other methods

  • Long detection period
  • Non-invasive and easy to collect
  • Difficult to tamper with
  • Applicable for various substances
  • More cost-effective over the long term

In Four Corners, Maryland, fingernail testing offers a valuable option for those needing comprehensive drug testing results. Its reliability and extensive detection window make it a preferred choice for organizations and individuals looking for accurate substance use histories.

Order Your Test Online

Occupational Health Test Services

Occupational health testing in , WI focuses on ensuring worker safety and well-being through a variety of health assessments. Companies prioritize these evaluations to prevent workplace injuries and improve staff health, thereby enhancing productivity and reducing compensation costs. Reliable assessments help maintain a healthier work environment.

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Purpose of Occupational Health Testing

  • Enhance employee safety
  • Identify health risks early
  • Ensure regulatory compliance
  • Reduce absenteeism
  • Promote workplace health

Common Types of Occupational Health Tests

  • Fitness for duty exams: Determines employee capability to safely perform job duties.
  • Respirator Fit Testing: Ensures adequate protection for workers using respirators.
  • Pulmonary Function Tests (PFT's): Assesses lung health and capacity.
  • Tuberculosis (TB): Screening for workplace transmission risks.
  • Vision: Evaluates eyesight essential for job functions.
  • Audiometric: Tests hearing to protect against noise-induced hearing loss.

In , Four Corners, Maryland, occupational health testing is fundamental for fostering safe and efficient workplaces, benefiting both employers and employees.

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Drug Statistics for Four Corners, Maryland

Four Corners, Maryland, reflects national trends with initiatives aimed at reducing substance abuse and its impact on the community. Local authorities report ongoing efforts to curb drug-related incidents through enhanced community policing and educational programs.

Montgomery County, which encompasses Four Corners, has implemented various strategies to address drug misuse, including public awareness campaigns and improved access to rehabilitation services. Recent statistics indicate a cautious optimism as drug-related crime rates show signs of decline amid these concerted efforts.

  • Drug-related arrests have maintained a stable rate, suggesting effective enforcement strategies.
  • Substance abuse treatment admissions have increased, reflecting better community outreach and support services.

Drug Testing Regulations in Maryland

Employer drug testing in Four Corners 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 Four Corners

Kemp Mill • White Oak • Hillandale • Silver Spring • Forest Glen • Adelphi • Wheaton • Langley Park

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

Four Corners Drug Testing

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

Four Corners DOT Drug Testing

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

Four Corners DNA Testing

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

Four Corners Industry Training

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

Four Corners Hair Drug Testing

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

Four Corners Alcohol Testing

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

Four Corners Drug Testing Services

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

Four Corners 5 Panel Drug Test

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

Four Corners 10 Panel Drug Test

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

Four Corners On Site Drug Testing

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

Four Corners DOT Physicals

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