Drug Test Services - Preston, MD

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

With 39 testing centers in the Preston 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.

39 Drug Test Service Centers in Preston

Minutes Away, Test Today

401 Purdy St, Ste 202

9.01 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
401 Purdy St, Ste 202
Easton, MD 21601

8163 Ocean Gtwy

9.14 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
8163 Ocean Gtwy
Easton, MD 21601

8615 Commerce Dr Ste 4

10.60 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
8615 Commerce Dr Ste 4
Easton, MD 21601

219 S Washington St

10.81 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
219 S Washington St
Easton, MD 21601

503 Byrn St, 2nd Fl

12.95 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
503 Byrn St, 2nd Fl
Cambridge, MD 21613

543 N Shipley St Ste F

16.18 mi
🕑 Testing Hours: Mon–Fri: 8:30 AM-3:00 PM✓ Walk-in with Electronic Donor Pass
543 N Shipley St Ste F
Seaford, DE 19973

543 N Shipley St

16.18 mi
🕑 Testing Hours: Mon–Fri: 11:00 AM-1:50 PM✓ Walk-in with Electronic Donor Pass
543 N Shipley St
Seaford, DE 19973

701 Health Services Dr

16.86 mi
🕑 Facility: Mon–Fri: 06:00 AM - 02:00 PM⚡ Drug Screens: Mon–Fri: 07:30 AM - 01:00 PM
701 Health Services Dr
Seaford, DE 19973

808 Middleford Rd, Suite 5

17.20 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
808 Middleford Rd, Suite 5
Seaford, DE 19973

24459 Sussex Hwy Ste 2

17.52 mi
🕑 Testing Hours: Mon–Fri: 8:30 AM-4:00 PM • Sat: 7:30 AM-10:00 AM✓ Walk-in with Electronic Donor Pass
24459 Sussex Hwy Ste 2
Seaford, DE 19973

125 Shoreway Dr

20.40 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
125 Shoreway Dr
Queenstown, MD 21658

5 Chester Plz

23.71 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5 Chester Plz
Chester, MD 21619

2112 Didonato Dr, Ste F

26.40 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2112 Didonato Dr, Ste F
Chester, MD 21619

20930 Dupont Blvd, Ste 201

27.58 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
20930 Dupont Blvd, Ste 201
Georgetown, DE 19947

21305 Berlin Rd Unit 2

27.59 mi
🕑 Testing Hours: Mon–Fri: 11:00 AM-2:00 PM • Sat: 5:30 AM-10:30 AM✓ Walk-in with Electronic Donor Pass
21305 Berlin Rd Unit 2
Georgetown, DE 19947

20930 Dupont Blvd Unit 201

27.59 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
20930 Dupont Blvd Unit 201
Georgetown, DE 19947

503 W Market St Ste 100

27.91 mi
🕑 Testing Hours: Mon–Fri: 6:30 AM-3:00 PM✓ Walk-in with Electronic Donor Pass
503 W Market St Ste 100
Georgetown, DE 19947

2425 N Salisbury Blvd

28.13 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
2425 N Salisbury Blvd
Salisbury, MD 21801

701 E Naylor Mill Rd, Ste G

28.26 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
701 E Naylor Mill Rd, Ste G
Salisbury, MD 21801

550 S Dupont Blvd Ste B

28.51 mi
🕑 Facility: Mon–Fri: 06:00 AM - 02:00 PM⚡ Drug Screens: Mon–Fri: 06:00 AM - 01:00 PM
550 S Dupont Blvd Ste B
Milford, DE 19963

659 S Salisbury Blvd Ste 2

29.12 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
659 S Salisbury Blvd Ste 2
Salisbury, MD 21801

301 Jefferson Ave

29.13 mi
🕑 Testing Hours: Mon–Fri: 9:00 AM-4:00 PM✓ Walk-in with Electronic Donor Pass
301 Jefferson Ave
Milford, DE 19963

975 N Dupont Hwy,

29.40 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
975 N Dupont Hwy,
Milford, DE 19963

100 E Carroll St

29.45 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
100 E Carroll St
Salisbury, MD 21801

712 E Main St,

29.67 mi
🕑 Testing Hours: Mon–Fri: 7:00 AM-11:10 AM & 12:30 PM-3:00 PM • Sat: 7:00 AM-10:30 AM✓ Walk-in with Electronic Donor Pass
712 E Main St,
Salisbury, MD 21804

106 Milford St Ste 501b

30.73 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
106 Milford St Ste 501b
Salisbury, MD 21804

262 Tilghman Rd

30.82 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
262 Tilghman Rd
Salisbury, MD 21804

106 Milford St Ste 303

30.82 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
106 Milford St Ste 303
Salisbury, MD 21804

1655 Woodbrooke Dr Ste 101

30.93 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1655 Woodbrooke Dr Ste 101
Salisbury, MD 21804

1655 Woodbrooke Dr Ste 104

30.93 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1655 Woodbrooke Dr Ste 104
Salisbury, MD 21804

1667 Homewood Landing Rd

35.00 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1667 Homewood Landing Rd
Annapolis, MD 21409

Onsite Only

35.60 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
Onsite Only
Annapolis, MD 21409

1078 S State St Ste 2

36.19 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1078 S State St Ste 2
Dover, DE 19901

514 Washington Ave, Ste 4

36.20 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
514 Washington Ave, Ste 4
Chestertown, MD 21620

1275 S State St

36.22 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
1275 S State St
Dover, DE 19901

1250 W North St

36.37 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1250 W North St
Dover, DE 19904

1102 South Dupont Highway,

36.40 mi
🕑 Testing Hours: Mon–Fri: 6:00 AM-3:00 PM • Sat: 8:00 AM-12:00 PM✓ Walk-in with Electronic Donor Pass
1102 South Dupont Highway,
Dover, DE 19901

1419 Forest Dr Ste 104

36.65 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1419 Forest Dr Ste 104
Annapolis, MD 21403

640 S State St

36.74 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
640 S State St
Dover, DE 19901

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 common method used to detect the presence of drugs or their metabolites in an individual's system. This non-invasive testing procedure is widely employed in various settings due to its accuracy and reliability.

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Purpose of Urine Drug Testing

  • Pre-employment screening
  • Compliance with legal requirements
  • Monitoring treatment programs
  • Ensuring workplace safety
  • Sports regulations adherence
  • Parental supervision tool

What Drugs Can Be Detected

  • Marijuana
  • Cocaine
  • Opiates
  • Amphetamines
  • Benzodiazepines
  • Phencyclidine (PCP)

In Preston, Maryland, urine drug testing is essential in maintaining a substance-free environment, providing peace of mind for employers and families alike.

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 Preston, Maryland provides a long-term view of drug use by analyzing the hair shaft for traces of illicit substances. This method can trace drug intake for up to 90 days, offering a comprehensive history of use. It's invaluable in legal, employment, and forensic cases for its accuracy and resistance to tampering.

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Why Use Hair Drug Testing?

  • Extended detection window
  • Minimal invasiveness
  • Difficult to adulterate
  • Insight into long-term use
  • Comprehensive substance range
  • Compliance with stringent protocols

What Drugs Can Be Detected

  • Cocaine
  • Marijuana
  • Opiates
  • Methamphetamines
  • Ecstasy
  • Phencyclidine (PCP)

In Preston, Maryland, hair follicle testing is becoming a preferred choice for employers and legal entities looking for effective long-term drug use analysis. It stands out for its accuracy and broad detection capabilities.

Order Your Test Online

DOT Drug Testing Services

DOT drug testing in Preston, Maryland adheres to federal requirements to ensure the safety of transportation employees and the traveling public. This testing involves regulated procedures for collecting and analyzing drug test specimens to identify prohibited substances. Ensuring compliance with DOT regulations is a priority for affected employees.

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Who is Required to Take DOT Drug Tests?

  • Commercial drivers
  • Airplane pilots
  • Railroad workers
  • Pipeline operators
  • Maritime crew members
  • Public transit employees

What Drugs Are Tested For

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

In conclusion, DOT drug testing in Preston, Maryland is essential for maintaining the highest levels of safety and compliance in transportation. Consistent application of these tests ensures that transportation-related work environments remain drug-free and safe for all.

Order Your Test Online

Probation Drug Testing Services

Probation drug testing monitors individuals on probation to ensure compliance with court-ordered substance abuse policies. It serves as a tool for rehabilitation and helps maintain community safety by preventing relapse and promoting recovery among offenders.

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Why Are Probation Drug Test Services Available?

  • Compliance: Ensure legal adherence
  • Rehabilitation: Support recovery
  • Safety: Protect the community
  • Prevention: Deter relapse
  • Monitoring: Track progress

Testing Methods

  • Urine tests: Cost-effective and common
  • Hair follicle tests: Long detection window
  • Saliva tests: Non-invasive and rapid
  • Blood tests: Highly accurate

In Preston, Maryland, probation drug testing is a vital component of community safety, providing a framework for accountability and rehabilitation for individuals on probation.

Order Your Test Online

Court Ordered Drug Testing Services

Court ordered drug testing is a judicial requirement for individuals under court supervision to adhere to drug-free guidelines. In Preston, Maryland, these tests uphold the law and support rehabilitation efforts, working toward a healthier, safer community.

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Why are Court Ordered Drug Test Services Available?

  • Ensure legal compliance
  • Protect public safety
  • Support rehabilitation
  • Monitor substance use
  • Guide court decisions

Court Ordered Test Methods

  • Urine tests: Common for quick screening.
  • Hair follicle tests: Provides extensive drug history.
  • Saliva tests: Effective for detecting recent use.
  • Blood tests: Offers high accuracy.
  • Nail tests: Detects long-term use.

Ultimately, in Preston, Maryland, the aim of court ordered drug testing is to uphold justice, aid personal recovery, and enhance public safety.

Order Your Test Online

Fingernail Drug Testing Services

Fingernail drug testing in Preston, Maryland analyzes nail clippings to detect drug use history over a period. This method offers a longer detection window, capturing several months of drug activity, thus, providing comprehensive insight into substance use trends.

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What is the Detection Window for Fingernail Drug Tests

  • Fingernails: Detects drugs used over 3-6 months
  • Toenails: Longer detection period than fingernails

What Drugs Can Be Detected

  • Marijuana
  • Cocaine
  • Methamphetamines
  • Opiates
  • Benzodiazepines

Advantages over other methods

  • Non-invasive sample collection
  • Extended drug use detection period
  • Resistant to adulteration
  • Reflects long-term drug history
  • Accepted in legal settings

Fingernail drug testing in Preston, Maryland is an evolving method that provides crucial insights for employers, legal entities, and individuals monitoring long-term drug use.

Order Your Test Online

Occupational Health Test Services

Occupational health testing in Preston, Maryland encompasses a variety of assessments to ensure employee well-being and workplace safety. It includes various screening procedures tailored to identify health risks and promote a safe working environment. These tests are essential for maintaining compliance and employee wellness.

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Purpose of Occupational Health Testing

  • Ensure workforce safety
  • Identify health risks
  • Prevent accidents
  • Enhance workplace health
  • Maintain compliance
  • Improve productivity

Common Types of Occupational Health Tests

  • Fitness for duty exams: Assess workplace readiness
  • Respirator Fit Testing: Evaluate protective equipment fit
  • Pulmonary Function Tests (PFT's): Check lung health
  • Tuberculosis (TB): Screen infectious diseases
  • Vision: Ensure sight capacity
  • Audiometric: Test hearing ability

In Preston, Maryland, occupational health testing is integral to fostering a secure and productive work environment. These services help businesses protect their workforce while meeting regulatory requirements.

Order Your Test Online

Drug Statistics for Preston, Maryland

General Drug Statistics for Preston, Maryland:

  • As of the latest data, Caroline County, where Preston is located, reported a rate of drug-related emergency room visits consistent with state averages, indicating the importance of ongoing community health efforts.
  • The county has seen initiatives aimed at reducing opioid abuse, reflecting broader state trends in addressing the opioid crisis.
  • Local programs focus on prevention and education, seeking to minimize the impact of substance abuse on families and the community.
  • Law enforcement and healthcare providers work collaboratively to monitor and respond to drug-related issues effectively.

Drug Testing Regulations in Maryland

Employer drug testing in Preston 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 Preston

Choptank • Hurlock • Secretary • Matthews • Federalsburg • Barber • East New Market • New Market

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

Preston Drug Testing

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

Preston DOT Drug Testing

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

Preston DNA Testing

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

Preston Industry Training

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

Preston Hair Drug Testing

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

Preston Alcohol Testing

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

Preston Drug Testing Services

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

Preston 5 Panel Drug Test

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

Preston 10 Panel Drug Test

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

Preston On Site Drug Testing

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

Preston DOT Physicals

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