Drug Screening Near Me - Calverton, MD

Employment, DOT, Court Ordered, Personal
Urine| Hair Follicle | Oral Fluid | Blood | ETG


37 Drug-Testing Centers in Calverton

Minutes Away, Test Today

13823 Outlet Dr1.61 miles

13823 Outlet Dr
Silver Spring, MD 20904

4729 Sellman Rd2.36 miles

4729 Sellman Rd
Beltsville, MD 20705

10452 Baltimore Ave2.55 miles

10452 Baltimore Ave
Beltsville, MD 20705

3676 Alpen Greenway3.42 miles

3676 Alpen Greenway
Burtonsville, MD 20866

6201 Greenbelt Rd, Suite M34.73 miles

6201 Greenbelt Rd, Suite M3
College Park, MD 20740

7933 Belle Point Dr5.07 miles

7933 Belle Point Dr
Greenbelt, MD 20770

P. O. Box 3765.25 miles

P. O. Box 376
Laurel, MD 20725

8768 Susini Dr5.96 miles

8768 Susini Dr
Laurel, MD 20723

11002 Veirs Mill Rd Ste 7006.16 miles

11002 Veirs Mill Rd Ste 700
Wheaton, MD 20902

9801 Georgia Ave Ste 2226.27 miles

9801 Georgia Ave Ste 222
Silver Spring, MD 20902

8121 Georgia Ave Ste 2086.68 miles

8121 Georgia Ave Ste 208
Silver Spring, MD 20910

1401 Blair Mill Rd Apt 12226.91 miles

1401 Blair Mill Rd Apt 1222
Silver Spring, MD 20910

10117 Palamar Dr7.73 miles

10117 Palamar Dr
Lanham, MD 20706

On-site Only7.83 miles

On-site Only
Laurel, MD 20724

920 Varnum St Ne8.60 miles

920 Varnum St Ne
Washington, DC 20017

18111 Prince Philip Dr, Ste T128.99 miles

18111 Prince Philip Dr, Ste T12
Olney, MD 20832

4451 Parliament Pl Ste G9.45 miles

4451 Parliament Pl Ste G
Lanham, MD 20706

8218 Wisconsin Ave Ste 2089.60 miles

8218 Wisconsin Ave Ste 208
Bethesda, MD 20814

3422 Georgia Ave Nw9.91 miles

3422 Georgia Ave Nw
Washington, DC 20010

3510 Heidi Ln10.05 miles

3510 Heidi Ln
Springdale, MD 20774

12200 Annapolis Rd, Suite 12010.17 miles

12200 Annapolis Rd, Suite 120
Glenn Dale, MD 20769

6656 Dobbin Rd10.64 miles

6656 Dobbin Rd
Columbia, MD 21045

911 U St Nw10.88 miles

911 U St Nw
Washington, DC 20001

11055 Little Patuxent Pkwy, Suite 20211.11 miles

11055 Little Patuxent Pkwy, Suite 202
Columbia, MD 21044

4121 Minnesota Ave Ne11.17 miles

4121 Minnesota Ave Ne
Washington, DC 20019

1145 19th Street Nw Suite 50612.03 miles

1145 19th Street Nw Suite 506
Washington, DC 20036

1140 19th St Nw Ste 70012.04 miles

1140 19th St Nw Ste 700
Washington, DC 20036

1145 19th St Nw Ste 60112.05 miles

1145 19th St Nw Ste 601
Washington, DC 20036

815 Connecticut Ave Nw12.21 miles

815 Connecticut Ave Nw
Washington, DC 20006

2029 K St Nw Ste 30112.25 miles

2029 K St Nw Ste 301
Washington, DC 20006

2440 M St Nw Ste 414,12.31 miles

2440 M St Nw Ste 414,
Washington, DC 20037

1600a Brightseat Rd Apt 30112.46 miles

1600a Brightseat Rd Apt 301
Hyattsville, MD 20785

7377 Washington Blvd Ste 101-10212.51 miles

7377 Washington Blvd Ste 101-102
Elkridge, MD 21075

6785 Business Pkwy12.55 miles

6785 Business Pkwy
Elkridge, MD 21075

8700 Central Ave Ste 20412.57 miles

8700 Central Ave Ste 204
Landover, MD 20785

11947 Winged Foot Ct12.67 miles

11947 Winged Foot Ct
Waldorf, MD 20602

12555 Central Ave. Ste A&f13.65 miles

12555 Central Ave. Ste A&f
Chino, CA 91710

Nationwide Convenience

Find a drug screening near you in minutes. Our team will schedule your visit and email your authorization form right away, no walk-in confusion.

Trusted Results

Lab-based testing with MRO review available. Chain-of-custody and defensible documentation for employers, legal needs, and compliance.

Fast Turnaround

Rapid screens with same-day results options, plus confirmatory lab testing. Clear timelines and proactive status updates.

Drug Screening Services Near You

Urine Drug Screening

  • 5, 10, 12, 14 panel options
  • Lab-based & rapid screens
  • DOT and non-DOT

Hair Drug Screening

  • 90-day lookback
  • Observed collection
  • Work, court, personal

Oral Fluid Drug Screening

  • On-site friendly
  • Recent-use detection
  • DOT oral fluid coming soon

Specialty Screening Panels

  • Child Guard Exposure
  • Alcohol (EtG/EtS)
  • Custom employer panels

For Employers

  • Pre-employment, random, post-accident, and reasonable suspicion
  • DOT compliance (FMCSA, FAA, FRA, FTA, PHMSA, USCG)
  • Electronic CCF, consolidated reporting, and MRO review
Employer Solutions

For Individuals

  • Personal, court, probation, school, and athletic programs
  • Confidential ordering with clear instructions
  • Results delivered securely
Order a Screening


What Is a Urine Drug Screen?

In the state of Calverton, MD, a urine drug screening (UDS) thoroughly examines a sample of urine for the presence of drugs and their resulting metabolites. Renowned for its application in workplace settings and regulated programs, this method is particularly favored due to its non-intrusive nature, economic viability, and extensive capacity to detect a variety of substances within a practical time frame.

  • For regulated testing in Calverton, MD, specimen collection is performed under strict chain-of-custody protocols.
  • The test is designed to identify parent drugs and/or their metabolites excreted in the urine sample.
  • It provides insight into past drug exposure within a specific detection window, rather than assessing current impairment.

Why Organizations Use Urine Drug Screening

  • In Calverton, MD workplaces, pre-employment urine screening is crucial in fostering a secure and drug-free environment.
  • Various testing scenarios such as random checks, post-incident assessments, suspicion-based evaluations, and reinstatement testing are routinely practiced.
  • Adhering to regulatory mandates is essential, particularly in industries where safety is paramount.
  • Such screenings are vital for ensuring that individuals remain compliant with prescribed medication regimens or treatment plans.

How It Works

Collection

  • In Calverton, MD, individuals provide a urine sample in a tamper-proof container, with observation varying based on program guidelines.
  • The authenticity of the specimen is usually verified through tests for creatinine levels, specific gravity, and pH.

Testing Methodology

Interpreting Results

  • In Calverton, MD, the initial immunoassay screening offers a rapid and cost-effective assessment of drugs.
  • Presumptive positives undergo confirmatory testing methods such as GC/MS or LC/MS/MS for reliable validation.
  • Established cutoff concentrations, noted in ng/mL, determine whether results are positive or negative.

Detection Windows

Detection varies by substance, use frequency, metabolism rates, hydration levels, body composition, and test sensitivity in Calverton, MD. Generally, most drugs can be detected over 1–3 days, whereas certain substances, like cannabinoids in chronic users, may be identifiable for extended periods.

Key Considerations for Regulated (such as DOT) Programs

  • Adherence to federal regulations and the use of certified labs is mandatory.
  • The collection process involves trained professionals who uphold a strict chain-of-custody.
  • Including specimen validity checks helps prevent tampering or adulteration.
  • When required, a qualified Medical Review Officer (MRO) should review results.
  • Document procedures thoroughly, maintain records, and clearly outline follow-up actions after positive tests.

Benefits and Limitations

Benefits

  • In the Calverton, MD, urine drug screening is prevalently recognized and is economically viable, allowing for robust substance detection coverage.
  • It offers a judicious detection window conducive to consistent workplace monitoring.

Limitations

  • In Calverton, MD, it does not reflect the individual's current level of impairment.
  • Without supplementary confirmation, there's a possibility of false-positive or false-negative outcomes.
  • Very recent drug use may not be captured outside the established detection timeframe.

Best Practices for Implementation

  • In Calverton, MD, companies should have a well-defined written policy that covers testing purposes, panels included, cutoff levels, confidentiality, and the potential consequences of positive results.
  • Implement a two-tier testing approach by following initial screening with confirmatory testing for more accurate results.
  • Educate employees and testing subjects on the procedures and expectations related to urine drug testing.
  • Regular tracking of positivity trends can inform safety measures and wellness programs.
  • Collaborate with trusted collection services and accredited laboratories to ensure consistency and reliability.

Summary

Urine drug screening serves as a vital framework in Calverton, MD for ensuring safety, complying with regulations, and managing risks effectively. By employing certified procedures, maintaining a robust chain-of-custody, utilizing confirmatory testing, and having qualified reviews, organizations can depend on urine drug screening to identify previous exposure to substances, thereby fostering a safer, more productive environment.





What Is a Hair Drug Screen?

In Calverton, MD, hair drug screening involves a meticulous evaluation of a small hair sample to find evidence of drugs and their metabolites that have permeated the bloodstream, now ensconced within the hair shaft. Given hair's slow growth and capacity to retain drug metabolites for extended periods, this method offers perhaps the longest detection windows available, making it well-suited for revealing chronic or long-standing drug use.

  • Typically, 100–120 strands are taken close to the scalp, measuring around 1.5 inches, to ensure accurate results.
  • Such samples often uncover drug exposure over a period of approximately 90 days, though this can vary with hair length.
  • Capable of screening for numerous substances, including amphetamines, opioids, cocaine, marijuana, and PCP.

Why Organizations Use Hair Drug Screening

  • In Calverton, MD, pre-employment hair testing is crucial for revealing long-term substance usage habits.
  • Hair testing can also be administered randomly or periodically, especially within Calverton, MD's safety-sensitive industries.
  • It is employed to ensure compliance with requirements in treatment or legal monitoring programs.
  • Verification of lifestyle abstinence or adherence to a company's drug-free policies is facilitated through routine testing.

How It Works

Collection

  • A trained collector carefully removes a small sample (usually from near the crown) under strict chain-of-custody procedures in Calverton, MD.
  • Once collected, this sample is securely sealed, appropriately labeled, and sent off to a certified laboratory for analysis.
  • In cases where scalp hair is insufficient, alternative collection sites, such as body hair, may be considered for sampling.

Testing Methodology

  • In Calverton, MD, samples undergo washing and preparation to eradicate external contaminants.
  • An initial screening utilizes immunoassay technology for detecting various drug categories.
  • Should a screen come back positive, it is confirmed with precise GC/MS or LC/MS/MS testing.
  • Cutoff levels are set in nanograms per milligram (ng/mg), according to SAMHSA and laboratory standards.

Interpreting Results

  • Negative: An absence of drugs or metabolites above the minimum lab threshold is reported in Calverton, MD.
  • Positive: Detected drugs or metabolites are validated by further testing, confirming the initial findings.
  • Inconclusive/Rejected: Insufficient sample material or contamination necessitates the collection of a new sample.

Detection Windows

Hair testing offers the longest period of drug detection among various testing methods, providing valuable insights into potential drug use over an extended timeframe. A standard 1.5-inch hair sample can reflect up to 90 days of drug exposure, with longer samples expanding this detection period. The method, however, does not capture recent use within the past 7–10 days.

Key Considerations for Regulated and Non-Regulated Testing

  • Despite the current absence of DOT requirements for hair testing, ongoing assessments by the Department of Transportation and HHS continue to explore potential guidelines.
  • In non-DOT contexts, hair testing is widely accepted as a robust method for detecting long-term drug use.
  • Collection should be performed by trained professionals following documented chain-of-custody procedures.
  • Certified laboratories, accredited by SAMHSA or CAP/CLIA, should be used to ensure accuracy and reliability.

Benefits

  • In Calverton, MD, the expansive detection window, generally up to 90 days or more, is a primary advantage.
  • Compared to urine samples, hair samples are notably harder to adulterate or replace.
  • Offers insight into patterns of chronic or repeated drug consumption.
  • The collection process is swift and non-invasive, negating the need for bathroom facilities.

Limitations

Best Practices for Implementation

  • Maintain a documented policy outlining when, why, and how hair testing will be implemented in Calverton, MD.
  • Ensure collectors are trained in determining appropriate sample sizes, specific collection sites, and sealing procedures.
  • Select laboratories that demonstrate advanced analytical proficiencies and SAMHSA compliance.
  • Inform employees about the distinct differences between hair, urine, and oral fluid testing methods.
  • Sustain confidentiality and ensure consistent documentation throughout all testing activities.

Summary

Hair drug testing is recognized in Calverton, MD as a reliable and potent tool for uncovering long-standing drug use, making it ideal for employers, legal institutions, and rehabilitation programs seeking insight into an individual's history of drug usage. When performed by trained professionals and examined in certified labs, hair testing in Calverton, MD yields secure, tamperproof results that promote workplace safety and integrity.

Calverton Drug Testing

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

Calverton DOT Drug Testing

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

Calverton DNA Testing

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

Calverton Industry Training

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

Calverton Hair Drug Testing

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

Calverton Alcohol Testing

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

Calverton Drug Testing Services

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

Calverton 5 Panel Drug Test

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

Calverton 10 Panel Drug Test

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

Calverton On Site Drug Testing

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

Calverton DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Calverton, 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

You can order online or call 800-221-4291 for same-day scheduling. After payment, an authorization form is emailed immediately for use at any of our 17,000+ testing centers.
Accredited Drug Testing provides urine, hair, oral fluid, and specialty panels such as EtG alcohol and exposure testing. Both DOT and non-DOT testing options are available nationwide.
Yes. DOT testing follows 49 CFR Part 40, using SAMHSA-certified labs, qualified collectors, strict chain-of-custody, and MRO review for all regulated modes (FMCSA, FAA, FRA, FTA, PHMSA, USCG).
Rapid tests often provide same-day results. Lab-based testing typically reports within 24–72 hours after specimen collection and laboratory analysis.
Yes. All results are handled in accordance with HIPAA and DOT privacy requirements. Accredited Drug Testing never shares personal data without consent or legal obligation.
Absolutely. We support workplace programs, legal and probation requirements, schools, athletics, and private personal testing needs across the United States.

Customer Reviews

Sweet and helpful

Trish was amazing and got me through the sytem very fast and swift. I had a hard time hearing her a couple of times, but she was super sweet and helpful throughout the process. Highly recommend her!

Sophia Schutze - 6/19/2024

Unbelievably fast and Easy

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

Ren Wisby - 4/19/2025

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

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

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

Great experience

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

Jenna Bee - 2/19/2025

Super Easy to Schedule

Super easy to schedule and get what you need, weather for a job, personal, or court ordered! I believe I spoke with Justine who was helpful in answering all my questions and stayed on the phone with me until she was sure I was all set and got the emails I needed.

Mandy Ryan - 12/14/2024

Very professional and very quick

Very professional and very quick service to schedule appointments! I am pleased with the services and would definitely recommend using them for any drug testing needs!

Carrie Feerick - 4/19/2025

quick to assist

They are very quick to assist with your orders and they helped when I needed to find a new testing facility.

Gary Matkin - 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


(800) 221-4291