Drug & Alcohol Testing Near Me - Silver Spring, 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

38 Drug-Testing Centers in Silver Spring

Minutes Away, Test Today

8121 Georgia Ave Ste 2080.02 miles

8121 Georgia Ave Ste 208
Silver Spring, MD 20910

1401 Blair Mill Rd Apt 12220.33 miles

1401 Blair Mill Rd Apt 1222
Silver Spring, MD 20910

9801 Georgia Ave Ste 2221.98 miles

9801 Georgia Ave Ste 222
Silver Spring, MD 20902

11002 Veirs Mill Rd Ste 7003.44 miles

11002 Veirs Mill Rd Ste 700
Wheaton, MD 20902

920 Varnum St Ne3.73 miles

920 Varnum St Ne
Washington, DC 20017

8218 Wisconsin Ave Ste 2083.76 miles

8218 Wisconsin Ave Ste 208
Bethesda, MD 20814

3422 Georgia Ave Nw4.04 miles

3422 Georgia Ave Nw
Washington, DC 20010

911 U St Nw5.09 miles

911 U St Nw
Washington, DC 20001

1145 19th Street Nw Suite 5065.96 miles

1145 19th Street Nw Suite 506
Washington, DC 20036

1140 19th St Nw Ste 7005.97 miles

1140 19th St Nw Ste 700
Washington, DC 20036

1145 19th St Nw Ste 6015.98 miles

1145 19th St Nw Ste 601
Washington, DC 20036

2440 M St Nw Ste 414,6.09 miles

2440 M St Nw Ste 414,
Washington, DC 20037

2029 K St Nw Ste 3016.17 miles

2029 K St Nw Ste 301
Washington, DC 20006

815 Connecticut Ave Nw6.26 miles

815 Connecticut Ave Nw
Washington, DC 20006

10452 Baltimore Ave6.27 miles

10452 Baltimore Ave
Beltsville, MD 20705

6201 Greenbelt Rd, Suite M36.43 miles

6201 Greenbelt Rd, Suite M3
College Park, MD 20740

4729 Sellman Rd6.91 miles

4729 Sellman Rd
Beltsville, MD 20705

7933 Belle Point Dr7.32 miles

7933 Belle Point Dr
Greenbelt, MD 20770

13823 Outlet Dr7.65 miles

13823 Outlet Dr
Silver Spring, MD 20904

4121 Minnesota Ave Ne7.67 miles

4121 Minnesota Ave Ne
Washington, DC 20019

3301 Wilson Blvd8.36 miles

3301 Wilson Blvd
Arlington, VA 22201

1005 N Glebe Rd Ste 1408.85 miles

1005 N Glebe Rd Ste 140
Arlington, VA 22201

Po Box 598159.03 miles

Po Box 59815
Rockville, MD 20859

3263 Columbia Pike9.54 miles

3263 Columbia Pike
Arlington, VA 22204

3676 Alpen Greenway9.57 miles

3676 Alpen Greenway
Burtonsville, MD 20866

10117 Palamar Dr10.38 miles

10117 Palamar Dr
Lanham, MD 20706

6064 Arlington Blvd, Falls Church Medical Center10.49 miles

6064 Arlington Blvd, Falls Church Medical Center
Falls Church, VA 22044

4451 Parliament Pl Ste G10.56 miles

4451 Parliament Pl Ste G
Lanham, MD 20706

3510 Heidi Ln10.71 miles

3510 Heidi Ln
Springdale, MD 20774

5550 Columbia Pike Apt 55110.71 miles

5550 Columbia Pike Apt 551
Arlington, VA 22204

920 W Broad St Ste B10.95 miles

920 W Broad St Ste B
Falls Church, VA 22046

18111 Prince Philip Dr, Ste T1211.40 miles

18111 Prince Philip Dr, Ste T12
Olney, MD 20832

8700 Central Ave Ste 20411.51 miles

8700 Central Ave Ste 204
Landover, MD 20785

1600a Brightseat Rd Apt 30111.56 miles

1600a Brightseat Rd Apt 301
Hyattsville, MD 20785

P. O. Box 37611.68 miles

P. O. Box 376
Laurel, MD 20725

15005 Shady Grove Rd Ste 45011.72 miles

15005 Shady Grove Rd Ste 450
Rockville, MD 20850

9707 Medical Center Dr Ste 120,11.81 miles

9707 Medical Center Dr Ste 120,
Rockville, MD 20850

15225 Shady Grove Road, Suite 20711.87 miles

15225 Shady Grove Road, Suite 207
Rockville, MD 20850

Drug Testing Near Me

Searching for drug testing in Silver Spring, MD? Accredited Drug Testing, Inc. stands as a highly reliable national provider, offering same-day drug and alcohol testing at over 20,000 locations across the United States, including many sites in Silver Spring, MD. Whether the requirement is for a DOT-regulated examination, a court-mandated screening, a pre-employment drug check, or a personal test for individual purposes, our services make the scheduling process swift, effortless, and confidential. We utilize certified collection sites and laboratories to ensure that the results are both accurate and dependable, adhering to federal and Silver Spring, MD state compliance standards. To find a convenient drug testing center nearby, simply call (800) 221-4291 or schedule an appointment online 24/7. When it comes to prioritizing safety, compliance, and peace of mind, Accredited Drug Testing consistently delivers timely and credible results.

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 screenings remain the predominant approach for substance detection across the United States and is exclusively sanctioned for DOT-regulated drug testing as per 49 CFR Part 40. This process pinpoints recent drug or alcohol consumption by examining urine samples for the presence of drugs, metabolites, or alcohol indicators. This method is crafted to provide precise and legally substantiated results for all stakeholders, from businesses to individual clients and court-mandated programs, ensuring confidentiality and accuracy throughout Silver Spring, MD and beyond.

Testing Methods & Collection Process

1. Donor Identity Verification

Participants are required to present valid government-issued identification, along with completing the necessary chain-of-custody documentation prior to the commencement of testing.

2. Secure Collection Environment

The urine collection occurs in a monitored restroom environment to combat any form of sample tampering. Security protocols may include controlling personal items, securing water sources, and coloring toilet water.

3. Chain of Custody Documentation

Use of a federally recognized Chain of Custody Form (CCF) ensures sample integrity is maintained from collection point to laboratory analysis.

4. Temperature & Validity Checks

The collector immediately evaluates specimen temperature and appearance post-collection. The lab further tests validity through assessing creatinine, pH, specific gravity, and checking for adulterants.

5. DOT Split Specimen

For DOT tests, specimens are divided into Bottle A (main test) and Bottle B (to contest results if necessary). Non-DOT tests utilize a single specimen vial.

6. Laboratory Screening & Confirmation

Urine samples are sent to SAMHSA-certified laboratories for extensive testing:

  • Initial Immunoassay Screen: Broad spectrum drug class detection.
  • Confirmation Testing: Utilizes GC/MS or LC/MS for precise identification of specific drugs or metabolites.

7. MRO Verification

A certified Medical Review Officer (MRO) evaluates non-negative outcomes, ensuring result accuracy and discussing potential medical explanations prior to final result disclosure.

How Long Do Urine Test Results Take?

  • Instant Urine Test: Negative results provided same day; positives sent for further analysis (24-72 hours).
  • Lab-Based Urine Test: Most negatives confirmed within 24-48 hours.
  • DOT Drug Test: Spanning 1-3 business days, contingent on MRO review and donor follow-up.
  • Urine EtG Alcohol Test: Generally processed within 24-48 hours.

Note: Uncommon circumstances, such as shy bladder instances, incorrect specimens, need for re-confirmation, or issues with donor communication may extend processing times.

Benefits of Urine Drug & Alcohol Testing

  • Remains the exclusive DOT federal standard for controlled testing applications.
  • Perfect for detecting recent intake, useful post-incident or in work settings.
  • Cost-efficient with quick result delivery.
  • Accepted in legal, employment, and agency scopes.
  • Rapid test options available for urgent assessments.
  • Backed by high-precision confirmation techniques like GC/MS or LC/MS.

Limitations of Urine Drug & Alcohol Testing

  • Limited detection span (1-7 days for typical substances).
  • Vulnerable to interference if lacking adequate security protocol.
  • Unable to reveal historical or prolonged usage patterns.
  • Requires specialized collection facilities.
  • Standard tests do not include alcohol detection without EtG/EtS methodologies.

Despite these constraints, urine screening is lauded for its practicality and universal application in substance abuse testing protocols.

How Hair Drug Testing Works

Hair drug and alcohol examinations serve as an exceptionally reliable technique for chronic substance use assessment. In contrast to urine tests looking at recent use, hair analysis offers a 90-day detection period, uncovering drug metabolites embedded within the hair shaft, ideal for workplaces, legal cases, and custody disputes, particularly in Silver Spring, MD.

Testing Methods & Collection Process

  • Identity Verification: Before collection, donors furnish a government-issued ID, completing all essential consent and chain-of-custody signatures.
  • Collection Procedure: Collectors extract a small sample, usually 100-120 hairs, cut at the scalp. Body hair serves as an alternative if scalp hair isn't available. The process is fast, painless, and supervised.
  • Chain of Custody: A Custody and Control Form ensures the specimen's integrity during its collection, sealing, and testing phases.
  • In-depth Laboratory Analysis: The sample undergoes decontamination, is cut or ground, and metabolites are extracted. This is followed by immunoassay screening and GC/MS or LC/MS confirmatory testing.
  • Stable Metabolite Detection: Encapsulated metabolites inside hair strands provide an established record of substance use, making adulteration efforts futile.
  • MRO Review: Verifies results accuracy and confirms non-negatives, providing potential explanations.

Processing Times for Hair Analysis:

  • Standard Hair Test: Generally 2-3 business days upon lab receipt.
  • Extended Panels or Alcohol Testing (EtG/FAEE): Typically 3-5 business days.

Despite longer processes compared to urine testing, hair analysis ensures comprehensive detection consistency.

Advantages of Hair Drug & Alcohol Testing

Limitations of Hair Testing:

Yet, its widespread acceptance among employers, legal experts, and individuals highlights hair testing's effectiveness in recognizing prolonged substance use in Silver Spring, MD.

Alcohol & Drug Testing-How Each Method Works

Within Silver Spring, MD and throughout the nation, Accredited Drug Testing facilitates an extensive selection of alcohol and drug screening alternatives, meticulously crafted to satisfy employer, DOT, legal, and personal evaluation demands. Acquainting oneself with the unique aspects of each testing approach assures right selection, credible outcomes, and absolute adherence to federal and state laws. Boasting a broad-ranging network, certified lab facilities, and adept Medical Review Officers, we deliver the precision, reliability, and professional conduct essential for guaranteed testing results.

Alcohol Urine Drug Test

An alcohol urine test discerns recent alcohol use by detecting ethanol by-products in urine. This is a prevalent mechanism for workplace assessments, judicial demands, and post-incident circumstances. While it doesn't gauge immediate intoxication levels, it presents a brief window of detection spanning a few hours, offering a swift and economically sensible assessment option.

ETG Alcohol Test (Urine)

The EtG (Ethyl Glucuronide) urine test is an exceedingly sensitive platform for identifying alcohol use extending up to 80 hours post-consumption. Owing to EtG's nature as a direct ethanol by-product, this test gains considerable usage in courts, rehab setups, and surveillance organizations. It grants a broader detection timeframe than standard urine alcohol assessments and is renowned for its precision and trustworthiness.

Breath Alcohol Test

A breath alcohol test evaluates contemporary impairment by analyzing alcohol concentration within deep lung air. Such tests are executed via DOT-endorsed breath alcohol tools (EBTs), yielding prompt and legally respected outputs. Breath evaluations are mandated for DOT-assigned personnel and are habitually employed for worksite, post-incident, and suspicion-based testing.

Blood Alcohol Test

A blood alcohol test quantifies the current ethanol presence in the bloodstream, positioning it as a highly precise tool for impairment evaluation. Hospitals, law enforcement entities, and legal firms rely on blood alcohol assessments for their accuracy, especially in DUI circumstances, urgent medical care, and crucial legal probes.

PEth Alcohol Blood Test

The PEth (Phosphatidylethanol) blood test highlights chronical or heavy alcohol consumption, unveiling specific alcohol markers within red blood cells. PEth can capture usage up to 2-3 weeks prior and is esteemed as one of the steadiest indicators of prolonged drinking conduct. This test frequently finds application in family law contexts, surveillance setups, treatment institutions, and safety-centric employments assessments.

ETG Alcohol Test (Hair)

The EtG hair alcohol test encompasses a 90-day detection phase by evaluating alcohol by-products assimilated in the hair shaft. This form of testing marks recurring or incessant alcohol intake instead of singular episodes. Judicial setups, child custody disputes, and prolonged surveillance programs depend on hair EtG assessments given their endurance, exactitude, and resistance to interim sobriety initiatives.

Guiding you through with informed expertise, nationally accredited laboratories, and expeditious scheduling, Accredited Drug Testing ensures that each alcohol examination method yields credible, lucid, and standards-compliant outputs, aiding individuals and organizations to remain conscious, assured, and rigorously compliant.


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

Fast service and friendly staff!

Fast service and friendly staff! Could not recommend enough for drug testing services.

Habib Malik - 4/12/2025

Thank You!!

I needed a quick drug test for visitation with my children. I called at 6am they answered and set me up with a place a couple miles from my house to go get the test done, that was on Wednesday, I had the results on Friday afternoon and was able to see my kids on Saturday. Thank you for the help!

Mark Broadhead - 2/12/2025

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

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

Friendly and Knowledgeable

I reached out Accredited Drug Testing/Secure Screenings to partner for my drug testing business (Discovery Diagnostics Columbia SC) and the process was extremely easy. I worked with Sicilia who was amazing. She was friendly & knowledgeable, and answer all of my questions with ease.

Kendra Harley - 3/26/2025


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(800) 221-4291