Drug & Alcohol Testing Near Me - Gaithersburg, MD

Accredited Drug Testing provides drug and alcohol testing services at multiple locations throughout your local area.  

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

33 Drug-Testing Centers in Gaithersburg

Minutes Away, Test Today

431 N Frederick Ave Gaithersburg0.53 miles

431 N Frederick Ave Gaithersburg
Gaithersburg, MD 20877

8945 N Westland Dr0.53 miles

8945 N Westland Dr
Gaithersburg, MD 20877

803 Russell Ave0.88 miles

803 Russell Ave
Gaithersburg, MD 20879

15225 Shady Grove Road, Suite 2072.61 miles

15225 Shady Grove Road, Suite 207
Rockville, MD 20850

15005 Shady Grove Rd Ste 4502.94 miles

15005 Shady Grove Rd Ste 450
Rockville, MD 20850

9707 Medical Center Dr Ste 120,3.05 miles

9707 Medical Center Dr Ste 120,
Rockville, MD 20850

14800 Physicians Ln Ste 1313.12 miles

14800 Physicians Ln Ste 131
Rockville, MD 20850

12321 Middlebrook Rd3.94 miles

12321 Middlebrook Rd
Germantown, MD 20874

19785 Crystal Rock Dr4.10 miles

19785 Crystal Rock Dr
Germantown, MD 20874

19785 Crystal Rock Dr, Ste 3084.10 miles

19785 Crystal Rock Dr, Ste 308
Germantown, MD 20874

12321 Middlebrook Road Suite 1014.29 miles

12321 Middlebrook Road Suite 101
Germantown, MD 20879

20528 Boland Farm Rd Ste 205,4.33 miles

20528 Boland Farm Rd Ste 205,
Germantown, MD 20876

18111 Prince Philip Dr, Ste T127.82 miles

18111 Prince Philip Dr, Ste T12
Olney, MD 20832

Po Box 598158.55 miles

Po Box 59815
Rockville, MD 20859

11002 Veirs Mill Rd Ste 70010.94 miles

11002 Veirs Mill Rd Ste 700
Wheaton, MD 20902

42010 Village Center Plz11.11 miles

42010 Village Center Plz
Stone Ridge, VA 20105

8218 Wisconsin Ave Ste 20811.89 miles

8218 Wisconsin Ave Ste 208
Bethesda, MD 20814

9801 Georgia Ave Ste 22212.24 miles

9801 Georgia Ave Ste 222
Silver Spring, MD 20902

2 Lyndhurst Ct12.73 miles

2 Lyndhurst Ct
Sterling, VA 20165

46440 Benedict Dr Ste 10813.19 miles

46440 Benedict Dr Ste 108
Sterling, VA 20164

21036 Tripleseven Rd13.32 miles

21036 Tripleseven Rd
Sterling, VA 20165

2 Pidgeon Hill Dr Suite 120,13.50 miles

2 Pidgeon Hill Dr Suite 120,
Sterling, VA 20165

21525 Ridgetop Cir Ste 26013.53 miles

21525 Ridgetop Cir Ste 260
Sterling, VA 20166

1401 Blair Mill Rd Apt 122213.95 miles

1401 Blair Mill Rd Apt 1222
Silver Spring, MD 20910

8121 Georgia Ave Ste 20814.13 miles

8121 Georgia Ave Ste 208
Silver Spring, MD 20910

13823 Outlet Dr14.28 miles

13823 Outlet Dr
Silver Spring, MD 20904

3676 Alpen Greenway14.52 miles

3676 Alpen Greenway
Burtonsville, MD 20866

106 Elden St Ste 18b,15.05 miles

106 Elden St Ste 18b,
Herndon, VA 20170

208 Elden St15.20 miles

208 Elden St
Herndon, VA 20170

462 Herndon Pkwy Ste 10316.02 miles

462 Herndon Pkwy Ste 103
Herndon, VA 20170

205 Center Street, Suite 20416.23 miles

205 Center Street, Suite 204
Mount Airy, MD 21771

301 Watersville Rd16.26 miles

301 Watersville Rd
Mount Airy, MD 21771

21785 Filigree Ct16.42 miles

21785 Filigree Ct
Ashburn, VA 20147

Drug Testing Near Me

Are you in search of reliable drug testing services nearby? Look no further than Accredited Drug Testing, Inc., recognized nationwide for exceptional drug and alcohol testing services across more than 20,000 locations including Gaithersburg, MD. Whether it's a DOT-compliant test, legal adjudication, pre-hire screening, or personal analysis, organizing your testing is both straightforward and discreet. Our certified collection centers and labs guarantee precise and trustworthy results that adhere to all legal standards. Contact us using our hotline (800) 221-4291 or book online anytime to locate a drug testing site convenient for you. When reliability and compliance are critical, rely on Accredited Drug Testing where consistent, timely results are our commitment.

Drug and Alcohol Testing Options

Urine Drug Testing Available Panels
5 Panel Drug Test (DOT/NON DOT)
5 Panel + Alcohol Drug Test
5 Panel + ETG Alcohol Drug Test
10 Panel Drug Test
10 Panel + ETG Alcohol Drug Test
12 Panel Drug Test
Hair Drug Testing Available Panels
5 Panel Hair Drug Test
5 Panel + ETG Hair Drug Test
10 Panel Hair Drug Test
12 Panel Hair Drug Test
14 Panel Hair Drug Test
16 Panel Hair Drug Test
Alcohol Drug Testing Available Panels
Alcohol Urine Drug Test
ETG Alcohol Test (Urine)
Breath Alcohol Test
Blood Alcohol Test
Peth Alcohol Blood Test
ETG Alcohol Test (Hair)

Customized Testing Options Available l Discounts available for Bulk Purchases l Onsite Drug Testing Services

How Urine Drug Testing Works

Urine drug tests are favored nationwide and stand as the only type endorsed for DOT-regulated testing under 49 CFR Part 40. This approach reveals recent substance use by examining a urine sample for the presence of drugs, metabolites, or alcohol markers. The procedure is designed to be uniform, discreet, and ensures precise, legally defendable results suitable for employers, individuals, and judicial programs.

Testing Techniques & Procedure

1. Identity Confirmation of Donor

The donor must present a government-issued ID and complete chain-of-custody documentation prior to the test initiation.

2. Controlled Collection Environment

Specimen collections occur in a supervised restroom setting to minimize alterations. Restrictions are placed on personal items, and water sources are safeguarded, with water in the toilet stained as added preventive steps.

3. Chain of Custody Protocol

Usage of a recognized Chain of Custody Form (CCF) ensures the specimen's integrity and legal standing from collection through lab analysis.

4. Temperature and Validity Assessment

Specimen evaluation includes immediate temperature checks, while the lab executes validity tests, assessing creatinine, pH, specific gravity, and screening for adulterations.

5. DOT Split Specimen Method

DOT processes involve dividing urine into two vials; the primary is Bottle A, and Bottle B is reserved for retest if contested by the donor. Non-DOT samples are not split.

6. Laboratory Examination & Confirmation

Testing is performed in SAMHSA-certified labs following a dual-step protocol:

  • Initial Immunoassay Screen: Identifies general drug categories.
  • Confirmation Tests: Detailed analysis via GC/MS or LC/MS pinpoints specific substances with precision.

7. Medical Review Officer (MRO) Assessment

MROs evaluate non-negative outcomes, ensuring accuracy and discussing with donors before finalizing the report.

Processing Duration for Urine Test Results

  • Immediate Urine Tests: Negative results available same day; positive findings undergo lab confirmation (24-72 hours).
  • Lab-Processed Urine Tests: Most negatives ready within 24-48 hours.
  • DOT Testing: Takes 1-3 business days contingent on MRO process and donor liaison.
  • Urine EtG Alcohol Tests: Typically reported back within 24-48 hours.

Note: Extended timeframes may apply due to shy bladder scenarios, invalid samples, or requisite donor interactions.

Advantages of Urine Drug & Alcohol Analysis

  • Exclusively sanctioned for DOT-regulation and federally acknowledged.
  • Ideal for recent use cases, workplace, and post-incident applications.
  • Economical choice with rapid result delivery.
  • Commonly accepted by legal, employment, and government bodies.
  • Immediate test options for quick screening solutions.
  • GC/MS or LC/MS reconfirmation assures high fidelity.

Drawbacks of Urine Drug & Alcohol Analysis

  • Limited detection period (1-7 days roughly).
  • Risk for manipulation if not effectively secured.
  • Incapable of tracing long-term substance use continuity.
  • Necessitates restroom usage and specific procedural adherence.
  • Standard urine assessments don't measure alcohol unless applying EtG/EtS.

Despite these challenges, urine testing remains an effective and prevalent choice for drug and alcohol evaluations throughout Gaithersburg, MD and across the nation.

How Hair Drug Testing Works

Introducing Hair Drug and Alcohol Testing in Gaithersburg, MD

Hair testing emerges as a pivotal approach for long-term substance use detection, providing a comprehensive 90-day window of insight into an individual's drug or alcohol habits by analyzing metabolites lodged within the hair matrix. Ideal for workplaces, legal scenarios, and more, this method offers reliability that surpasses the limitations of shorter-term detection tests like urine sampling.

Thorough Hair Testing Methods and Collection Procedures

While slightly longer due to in-depth processing, hair testing offers accurate and substantial substance use insight unmatched by other methods.

Alcohol & Drug Testing-How Each Method Works

Accredited Drug Testing ensures a comprehensive suite of drug and alcohol screening options meeting employer, DOT, and individual demands across Gaithersburg, MD. Understanding each test guarantees correct alignment with federal and local standards ensuring authenticity in results.

Urine Alcohol Test

This test flags recent alcohol intake, detecting ethanol residues within urine, often adopted in workplace evaluations or post-incident situations for economic, rapid evaluation focused on recent activity.

EtG Urine Test

The EtG test meticulously tracks alcohol usage up to 80 hours post-consumption, across rehabilitation, legal compliance, owing to its extended detection and verified precision.

Breath Alcohol Examination

For immediate impairment checks, breath tests assess alcohol concentration using DOT-certified devices, ensuring admissible results, particularly crucial under workplace or suspicion screening conditions.

Blood Alcohol Analysis

Prominent in legal and emergency settings for its direct blood ethanol quantifying, blood tests garner precise insights into intoxication levels or EMC scenarios statewide.

PEth Blood Alcohol Assessment

Capturing extensive badges of consumption, PEth blood tests register alcohol within cellular elements, crucial for extended monitoring in judicial, clinical, or sensitive occupational settings.

EtG Hair Evaluation

Identifying chronic or prolonged alcohol exposure through hair for up to 90 days assists courtroom deliberations or custodial decisions.

With accredited facilities and streamlined scheduling, Accredited Drug Testing in Gaithersburg, MD ensures every clinical assessment is supported, swift, and compliant, sustaining informed decisions both personally and professionally.


Accredited Drug Testing provides nationwide drug and alcohol screening solutions, including urine, hair, EtG, PEth, and breath alcohol testing. Backed by SAMHSA-certified laboratories, DOT 49 CFR Part 40 compliance, and scientifically validated testing technology, our services ensure accurate, defensible, and confidential results for employers, courts, and individuals.

Frequently Asked Questions

Urine tests detect recent use and are the only option approved for DOT testing under 49 CFR Part 40. Hair tests provide a 90-day detection window per the Society of Hair Testing (SoHT). Alcohol testing options, EtG, breath, blood, or PEth. These tests can identify recent use, impairment, or long-term drinking behavior depending on the method.

Urine: 24 - 48 hrs for negatives (SAMHSA guidelines).
Hair: 2 - 5 business days due to multi-step forensic processing (SoHT).
Breath Alcohol: Immediate results using NHTSA-approved EBT devices.
PEth: 3 - 5 days based on forensic toxicology studies.

Lab confirmation using GC/MS or LC/MS is the gold standard per SAMHSA & DOT.
Hair testing is highly tamper-resistant (SoHT).
PEth is considered the most reliable marker of repeated drinking (Journal of Analytical Toxicology).

No. DOT-regulated urine tests require validity checks and chain-of-custody documentation (49 CFR Part 40). Hair tests undergo decontamination and metabolite extraction (SoHT), making them extremely difficult to adulterate.

EtG urine detects alcohol for up to 80 hours (NIH/SAMHSA studies). EtG hair detects chronic alcohol consumption for up to 90 days (SoHT alcohol guidelines).

5 Panel DOT:49 CFR Part 40. Expanded non-DOT panels add benzodiazepines, barbiturates, methadone, oxycodone, MDMA, fentanyl, and more (SAMHSA forensic panel standards).

PEth blood testing identifies long-term and heavy alcohol use for 2 - 4 weeks. Used in child custody, treatment monitoring, and professional compliance programs (CDC & Journal of Analytical Toxicology).

Hair testing does not detect drug use within the past 5 - 7 days. It identifies long-term or repetitive use patterns per SoHT standards.

Yes. Results follow strict chain-of-custody procedures, DOT/SAMHSA requirements, GC/MS or LC/MS confirmation, and MRO review; making them acceptable in court, DOT, and legal settings.

Yes. Accredited Drug Testing offers same-day appointments at 20,000+ locations nationwide, instant testing options, and onsite employer testing with bulk discounts.

Customer Reviews

Hassle Free Experience

It was easy to make the arrangements to get to someone in regards to renewing my DOT medical certificate. They took care of everything over the phone which made my experience hassle free. I will definitely be using them again and you should too.

Jim Raymond - 10/18/2024

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

Quick, knowledgeable and courteous

Quick, knowledgeable and courteous Janelle worked diligently to support me. I am recommending their services to anyone looking.

Greensboro Joseph - 11/19/2024

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

Excellent service!

Excellent service! Trish went above and beyond to find me a testing site as close to my home as possible. Results were faster than expected, as well. Thanks for your help, Trish and Accredited!

Es Hache - 4/13/2025


Sources


Gaithersburg Drug Testing

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

Gaithersburg DOT Drug Testing

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

Gaithersburg DNA Testing

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

Gaithersburg Industry Training

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

Gaithersburg Hair Drug Testing

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

Gaithersburg Alcohol Testing

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

Gaithersburg Drug Testing Services

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

Gaithersburg 5 Panel Drug Test

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

Gaithersburg 10 Panel Drug Test

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

Gaithersburg On Site Drug Testing

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

Gaithersburg DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Gaithersburg, 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.

(800) 221-4291