Drug Test Services - Green Valley, MD

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

With 29 testing centers in the Green Valley 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 Green Valley

Minutes Away, Test Today

20528 Boland Farm Rd Ste 205,

8.38 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-11:00 AM & 1:00 PM-3:00 PM✓ Walk-in with Electronic Donor Pass
20528 Boland Farm Rd Ste 205,
Germantown, MD 20876

205 Center Street, Suite 204

9.02 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
205 Center Street, Suite 204
Mount Airy, MD 21771

19785 Crystal Rock Dr, Ste 308

9.10 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
19785 Crystal Rock Dr, Ste 308
Germantown, MD 20874

19785 Crystal Rock Dr

9.13 mi
🕑 Facility: Mon–Fri: 07:00 AM - 04:00 PM⚡ Drug Screens: Mon–Fri: 08:00 AM - 03:00 PM
19785 Crystal Rock Dr
Germantown, MD 20874

12321 Middlebrook Rd

9.43 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-8:00 PM • Sat:,Sun: 8:00 AM-4:00 PM✓ Walk-in with Electronic Donor Pass
12321 Middlebrook Rd
Germantown, MD 20874

12321 Middlebrook Road Suite 101

9.50 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
12321 Middlebrook Road Suite 101
Germantown, MD 20879

490 Prospect Blvd Ste L

9.73 mi
🕑 Testing Hours: Mon–Fri: 7:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
490 Prospect Blvd Ste L
Frederick, MD 21701

400 W 7th St

10.06 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
400 W 7th St
Frederick, MD 21701

915 Toll House Ave Ste 203,

10.24 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
915 Toll House Ave Ste 203,
Frederick, MD 21701

1560 Opossumtown Pike Ste A-22,

10.69 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1560 Opossumtown Pike Ste A-22,
Frederick, MD 21702

141 Thomas Johnson Dr Ste 100

11.02 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
141 Thomas Johnson Dr Ste 100
Frederick, MD 21702

301 Watersville Rd

11.16 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
301 Watersville Rd
Mount Airy, MD 21771

803 Russell Ave

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

8945 N Westland Dr

12.93 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

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

15225 Shady Grove Road, Suite 207

15.13 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

14800 Physicians Ln Ste 131

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

15005 Shady Grove Rd Ste 450

15.42 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,

15.47 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

18111 Prince Philip Dr, Ste T12

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

2 Lyndhurst Ct

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

952 Edwards Ferry Rd Ne

18.73 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
952 Edwards Ferry Rd Ne
Leesburg, VA 20176

1000 Liberty Rd Ste 102

19.28 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1000 Liberty Rd Ste 102
Eldersburg, MD 21784

51 Catoctin Cir Ne

19.35 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
51 Catoctin Cir Ne
Leesburg, VA 20176

222 Catoctin Cir,se, Ste 100

19.55 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
222 Catoctin Cir,se, Ste 100
Leesburg, VA 20175

2 Pidgeon Hill Dr Suite 120,

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

211 S King St Suite C,

19.77 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
211 S King St Suite C,
Leesburg, VA 20175

21036 Tripleseven Rd

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

1532 Liberty Road, Suite 101

20.11 mi
🕑 Testing Hours: Mon–Fri: 7:30 AM-12:00 PM & 12:30 PM-4:00 PM • Sat: 7:00 AM-10:30 AM✓ Walk-in with Electronic Donor Pass
1532 Liberty Road, Suite 101
Eldersburg, MD 21784

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 Green Valley, Maryland is a widely utilized method for detecting the presence of drugs. It is a non-invasive and cost-effective procedure, commonly used in workplaces and legal settings. The test analyzes the urine sample for metabolites of various substances.

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Purpose of Urine Drug Testing

  • Workplace safety assurance
  • Compliance with legal requirements
  • Health assessments
  • Rehabilitation monitoring
  • Pre-employment screenings
  • Drug-free environment promotion

What Drugs Can Be Detected

  • Marijuana
  • Cocaine
  • Amphetamines
  • Opiates
  • Benzodiazepines
  • Methadone

For anyone in Green Valley, Maryland seeking reliable and efficient drug testing, urine analysis remains a top choice due to its proven effectiveness and ease of administration, ensuring accurate and timely results.

Order Your Test Online

Alcohol Test Services

Alcohol testing is employed to determine the presence and concentration of alcohol in an individual's bloodstream or breath, typically to ensure legal compliance and safety. It aids in maintaining alcohol-free zones in workplaces and regulated environments.

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Alcohol Testing is used in many settings

  • Workplace safety programs
  • Law enforcement operations
  • Rehabilitation centers
  • Personal monitoring
  • School settings

Common Methods of Alcohol Testing

  • Breathe Test
  • Saliva Test
  • Blood Test
  • Urine Test

Breathe Test - Used to measure breath alcohol content instantly.

Saliva Test - Provides a quick way to determine recent consumption.

Blood Test - Offers precise measurement but is invasive.

Urine Test - Used to detect alcohol up to a few hours post-consumption.

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Hair Follicle Drug Testing Services

Hair follicle drug testing in Green Valley, Maryland provides a reliable method to detect long-term drug use by analyzing a small sample of hair. Drugs enter the hair shaft through the bloodstream, allowing this testing method to reveal usage patterns over months. It is less invasive and highly accurate for extended detection.

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Why Use Hair Drug Testing?

  • Longer detection window
  • Difficult to cheat or tamper with
  • High accuracy rate
  • Non-invasive collection
  • Tracks drug usage history

What Drugs Can Be Detected

  • Marijuana
  • Cocaine
  • Amphetamines
  • Methamphetamines
  • Opiates

By choosing hair follicle testing in Green Valley, Maryland, you're ensuring comprehensive and credible results for monitoring drug use over extended periods. This method is highly valued in legal and employment settings.

Order Your Test Online

DOT Drug Testing Services

DOT drug testing is mandated by the Department of Transportation to ensure safety in transport sectors. It involves rigorous testing procedures to identify misuse of prescribed drugs or illegal substances in safety-sensitive positions.

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Who is Required to Take DOT Drug Tests?

  • Commercial drivers
  • Airline personnel
  • Transit employees
  • Railroad workers
  • Pipeline workers
  • Maritime crew

What Drugs Are Tested For

  • Marijuana
  • Cocaine
  • Opiates
  • Amphetamines
  • PCP

DOT drug testing in DC plays a pivotal role in safeguarding public safety by screening transportation industry workers. It ensures adherence to federal safety standards and supports the integrity of the sector.

Order Your Test Online

Probation Drug Testing Services

Probation drug testing is a pivotal element of community supervision programs, aiming to monitor compliance with legal conditions. Regular testing deters substance abuse and helps probation officers maintain effective oversight of individuals on probation.

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Why Are Probation Drug Test Services Available?

  • Compliance monitoring: Ensures adherence to probation conditions
  • Behavioral interventions: Aids in rehabilitation efforts
  • Risk assessment: Helps identify substance abuse issues
  • Public safety: Reduces the risk of reoffending
  • Court accountability: Supports judicial decision-making

Testing Methods

  • Urine tests: Non-invasive and standard for recent use detection
  • Hair follicle tests: Provides a long-term usage history
  • Saliva tests: Quick and easy for recent use
  • Blood tests: Precise and typically used in specific cases

In Green Valley, Maryland, probation drug testing services ensure individuals adhere to their legal obligations while supporting successful rehabilitation.

Order Your Test Online

Court Ordered Drug Testing Services

Court-ordered drug testing in Green Valley, Maryland holds individuals accountable to court mandates, ensuring compliance with legal conditions and promoting rehabilitation. It's an essential tool in upholding justice and maintaining community safety.

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Why are Court Ordered Drug Test Services Available?

  • Verify adherence to court orders
  • Ensure public safety
  • Support rehabilitation
  • Monitor probation compliance
  • Assess substance abuse issues

Court Ordered Test Methods

  • Urine tests: Standard test
  • Hair follicle tests: Extended monitoring
  • Saliva tests: Quick results
  • Blood tests: Accurate analysis
  • Nail tests: Long-term detection

Court-ordered drug testing in Green Valley, Maryland not only enforces legal accountability but also encourages personal improvement and public safety.

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 Green Valley, 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.

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Occupational Health Test Services

Occupational health testing in , PA is vital for workforce safety, complying with regulations, and ensuring fit-for-duty status. By testing for various health conditions, it promotes a safe working environment.

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Purpose of Occupational Health Testing

  • Ensure employee safety
  • Meet legal requirements
  • Reduce workplace accidents
  • Promote health and productivity
  • Assess job fitness

Common Types of Occupational Health Tests

  • Fitness for duty exams: Assess job capability.
  • Respirator Fit Testing: Ensure mask effectiveness.
  • Pulmonary Function Tests (PFT's): Assess lung function.
  • Tuberculosis (TB): Detect TB infections.
  • Vision: Evaluate sight quality.
  • Audiometric: Measure hearing levels.

In , Green Valley, Maryland, occupational health testing is key to maintaining a healthy, efficient, and regulatory-compliant work environment. Regular testing helps safeguard employees and increase operational safety.

Order Your Test Online

Drug Statistics for Green Valley, Maryland

Drug Use Statistics in Green Valley, Maryland:

  • Prescription drug abuse remains a concerning issue, with local health departments monitoring and working to reduce the rates through education and intervention.
  • There has been an increase in awareness campaigns aimed at reducing opioid-related incidents in the community.
  • The local government collaborates with healthcare professionals to track drug-related trends and implement strategic prevention measures.

Drug Testing Regulations in Maryland

Employer drug testing in Green Valley 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 Green Valley

Friendship • Urbana • Monrovia • Clarksburg • Comus • Damascus • Linganore • Bartonsville

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

Green Valley Drug Testing

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

Green Valley DOT Drug Testing

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

Green Valley DNA Testing

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

Green Valley Industry Training

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

Green Valley Hair Drug Testing

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

Green Valley Alcohol Testing

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

Green Valley Drug Testing Services

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

Green Valley 5 Panel Drug Test

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

Green Valley 10 Panel Drug Test

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

Green Valley On Site Drug Testing

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

Green Valley DOT Physicals

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

Excellant Performance

The visit here is always the best . The place is always really clean. The employees are super courteous, very polite, and professional. This is the only drug lab I like to go do my drug and alcohol test. I would like to tell them thank you so much for thier excellent performance and job

Eli Gonzalez - 1/4/2025

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

Great experience

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

Jenna Bee - 2/19/2025

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

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

Pretty Straightforward

It was a pretty straightforward process getting an appointment and making payment. Getting to the testing site was quick. I was in and out in no time.

Sadiat Ogunyemi - 12/19/2024

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

Clear and Competent

I was so surprised with the quality of customer service I received today when I called Accredited Drug Testing. The representative was so clear and competent. She was able to reschedule an appointment at my preferred location. The representative whose name is Justice, was so polite and competent. She expedited the whole process. It was a relief to me.

Rachel Padian - 9/6/2024

Unbelievably fast and Easy

Unbelievably fast and Easy, I wont be using Any other provider from now on.

Ren Wisby - 4/19/2025

Really Helpful

I am just really happy to see that the location near me still offers hair follicle tests!! They are really helpful when any false positives happen, waiting on my results. Hope they come fast!

Kali Collins - 1/16/2025


(800) 221-4291