Drug & Alcohol Testing Near Me - Lewisville, TX

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

40 Drug-Testing Centers in Lewisville

Minutes Away, Test Today

475 W. Elm0.50 miles

475 W. Elm
Lewisville, TX 75057

571 W Main St Ste 1100.70 miles

571 W Main St Ste 110
Lewisville, TX 75507

540 Surf St1.18 miles

540 Surf St
Lewisville, TX 75067

500 N Valley Pkwy, Suite 1101.56 miles

500 N Valley Pkwy, Suite 110
Lewisville, TX 75067

1559 W Main St2.35 miles

1559 W Main St
Lewisville, TX 75067

751 Hebron Pkwy Ste 1002.95 miles

751 Hebron Pkwy Ste 100
Lewisville, TX 75057

2403 S Stemmons Fwy Ste 1033.04 miles

2403 S Stemmons Fwy Ste 103
Lewisville, TX 75067

4333 North Josey Lane Plaza Ii, Suite 1054.14 miles

4333 North Josey Lane Plaza Ii, Suite 105
Carrollton, TX 75010

4001 Long Prairie Road, Suite 1304.45 miles

4001 Long Prairie Road, Suite 130
Flowermound, TX 75028

6300 Samuel Blvd Ste 114a4.67 miles

6300 Samuel Blvd Ste 114a
Dallas, TX 75228

1837 W Frankford Rd Ste 1164.79 miles

1837 W Frankford Rd Ste 116
Carrollton, TX 75007

1017 W Hebron Pkwy4.85 miles

1017 W Hebron Pkwy
Carrollton, TX 75010

171 N Denton Tap Rd Ste 2005.23 miles

171 N Denton Tap Rd Ste 200
Coppell, TX 75019

546 E Sandy Lake Rd Ste 120,5.34 miles

546 E Sandy Lake Rd Ste 120,
Coppell, TX 75019

3800 Main St Ste 1006.18 miles

3800 Main St Ste 100
The Colony, TX 75056

8501 Justin Rd6.26 miles

8501 Justin Rd
Double Oak, TX 75077

5000 Main St Ste 2036.34 miles

5000 Main St Ste 203
The Colony, TX 75056

2355 E Grapevine Mills Cir6.38 miles

2355 E Grapevine Mills Cir
Grapevine, TX 76051

1213 E Trinity Mills Rd6.77 miles

1213 E Trinity Mills Rd
Carrollton, TX 75006

4707 State Highway 1217.01 miles

4707 State Highway 121
The Colony, TX 75056

5151 State Highway 1217.02 miles

5151 State Highway 121
The Colony, TX 75056

8925 Sterling St Ste 2558.12 miles

8925 Sterling St Ste 255
Irving, TX 75063

3015 Renaissance Dr8.37 miles

3015 Renaissance Dr
Dallas, TX 75287

8787 N Macarthur Blvd Ste 1208.59 miles

8787 N Macarthur Blvd Ste 120
Irving, TX 75063

On-site Only8.71 miles

On-site Only
Irving, TX 75063

1345 Valwood Pkwy Ste 3068.79 miles

1345 Valwood Pkwy Ste 306
Carrollton, TX 75006

600 W Northwest Hwy Ste E8.96 miles

600 W Northwest Hwy Ste E
Grapevine, TX 76051

4400 Teasley Ln St 2009.25 miles

4400 Teasley Ln St 200
Denton, TX 76210

3600 Communications Pkwy, Ste 6479.37 miles

3600 Communications Pkwy, Ste 647
Plano, TX 75093

1100 S Main St Ste D9.39 miles

1100 S Main St Ste D
Grapevine, TX 76051

1650 W College St9.55 miles

1650 W College St
Grapevine, TX 76051

7501 Las Colinas Blvd Ste 1009.69 miles

7501 Las Colinas Blvd Ste 100
Irving, TX 75063

2601 E Belt Line Rd9.70 miles

2601 E Belt Line Rd
Carrollton, TX 75006

1643 Lancaster Dr Ste 2239.77 miles

1643 Lancaster Dr Ste 223
Grapevine, TX 76051

5944 W Parker Rd Ste 2009.79 miles

5944 W Parker Rd Ste 200
Plano, TX 75093

7400 N Macarthur Blvd9.80 miles

7400 N Macarthur Blvd
Irving, TX 75063

5910 N Macarthur Blvd Ste 13310.05 miles

5910 N Macarthur Blvd Ste 133
Irving, TX 75039

2315 E Southlake Blvd Ste 11010.16 miles

2315 E Southlake Blvd Ste 110
Southlake, TX 76092

551 Silicon Dr Ste 10010.24 miles

551 Silicon Dr Ste 100
Southlake, TX 76092

4727 Frankford Rd Ste 40910.25 miles

4727 Frankford Rd Ste 409
Dallas, TX 75287

Drug Testing Near Me

Searching for drug testing near me? Look no further than Accredited Drug Testing, Inc., a premier and reliable provider of same-day substance screenings across more than 20,000 centers nationwide. Whether you're in need of a Department of Transportation (DOT) compliance test, judicially mandated examination, job candidate drug screening, or personal use testing, our services are fast, user-friendly, and discreet. With certified facilities and laboratories, we guarantee precise results adherent to all federal and state laws. Call us at (800) 221-4291 or schedule your appointment online anytime. Perfect for ensuring safety and compliance, Accredited Drug Testing consistently provides timely and dependable results, especially for those in Lewisville, TX.

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 Testing Explained in Lewisville, TX

In Lewisville, TX and all across the nation, urine drug testing stands as one of the most prevalent forms of substance screening. As the sole approved testing method for DOT-related screenings under 49 CFR Part 40, it serves as a cornerstone in detecting recent drug or alcohol use. By examining a urine sample for drugs, metabolites, or alcohol biomarkers, this method delivers precise, confidential, and legally sound results for various applications ranging from employers to legally mandated programs.

Key Testing Procedures & Collection Process

1. Donor Verification: Ensuring accuracy begins with confirming donor identity using a government-issued photo ID, followed by the completion of necessary chain-of-custody paperwork.

2. Secure Collection: Specimens are gathered in a controlled environment to prevent interference, with measures such as restricted access to personal items and secure, dyed toilet water.

3. Chain of Custody Management: A standardized Chain of Custody Form (CCF) monitors the sample from gathering through to lab analysis, safeguarding its integrity.

4. Temperature and Validity Checks: The collector inspects the specimen for correct temperature immediately after collection, and the laboratory further performs validity tests for characteristics such as creatinine, pH, and specific gravity.

5. DOT Split Specimen Analysis: For DOT tests, the sample is divided into two bottles for potential retesting, whereas non-DOT testing typically employs a single vial.

6. Laboratory Screening and Confirmation: Laboratories accredited by SAMHSA utilize a rigorous two-prong approach:

7. MRO Analysis: A Medical Review Officer reviews non-negative outcomes, contacting the donor for potential medical explanations before finalizing results.

Turnaround Time for Urine Test Results

Note: Additional time may be required for special circumstances such as shy bladder syndrome or the need for laboratory re-confirmation.

Advantages of Urine Drug & Alcohol Testing

Given these advantages, urine testing remains the preferred choice for rapid and reliable drug and alcohol assessments across the country, including Lewisville, TX.

How Hair Drug Testing Works

Hair analysis for drugs and alcohol stands out as a dependable lab approach, ideal for assessing a person's substance usage over an extended period. Moving past the immediate detection found in urine testing, hair testing offers a comprehensive 90-day analysis window by scrutinizing metabolites found within hair strands. This method holds significant value in workplace drug policies, legal disputes, custody battles, and settings demanding an extensive view of an individual's history of substance involvement within Lewisville, TX.

Testing Methods & Collection Process

1. Donor Identity Verification

Data integrity initiates when the donor cues valid ID and signs necessary consent forms, maintaining proper chain-of-custody.

2. Hair Collection Procedure

A trained specialist collects a small sample of hair, usually around 100-120 strands, cut close to the scalp. While the top of the head is prioritized, body hair serves as an alternative when necessary. The method is pain-free and completed under supervision.

3. Chain of Custody Documentation

Meticulous handling is documented in the Hair Drug Test Custody and Control Form, ensuring the whole procedure, from collection to examination, meets legal mandates.

4. Laboratory Preparation & Analysis

Under rigorous forensic precision in labs:

  • Decontamination: Washing to clear surface residues.
  • Cutting/Grinding: Segmenting for extraction readiness.
  • Extraction: Metabolite isolation from hair.

The specimen surpasses precise lab scrutiny:

  • Initial Screening - Detects drug categories via immunoassay analyses.
  • Confirmation Testing - Verifies specific drugs/metabolites using GC/MS or LC/MS.

5. Metabolite Detection

With metabolites ensconced as the hair grows, a steadfast record forms, presenting challenges to attempts at tampering it's a method resilient against deception.

6. MRO Review

Competent Medical Review Officers critically assess non-negative results, offer medical insight, and assert authenticity in delivering final results.

How Long Do Hair Test Results Take?

  • Standard Hair Test: Completion within 2-3 business days post sample delivery to the laboratory.
  • Complex Panels or Alcohol Testing (EtG/FAEE): Take up to 3-5 business days based on testing complexity.

Despite extending timelines than urine methods, hair examination stakes a claim in delivering unfailing results, proving indispensable for thorough substance history surveillance.

Benefits of Hair Drug & Alcohol Testing

  • 90-day coverage exposes sustained usage patterns.
  • Resists evasion extremely hard to alter or fake.
  • Establishes records of ongoing or sporadic use cessation.
  • Vital to legal matters, custody evaluation, and jurisdictional programs.
  • Promotes easy, quick sample collection.
  • Verification durability through GC/MS or LC/MS.

Limitations of Hair Drug & Alcohol Testing

  • Limited in discerning recent substance intake (first 5-7 days).
  • Higher overall cost alongside urine or saliva analyses.
  • Body hair cannot specify concrete timelines post-substance use.
  • Substance incorporation may vary per hair type and growth.
  • Not recognized by DOT testing stipulations.

While certain drawbacks exist, hair testing upholds its position as a proactive tool for long-lasting substance auditing, adored by employers, legal experts, and individuals seeking fool-proof, tamper-free viability studies.

Alcohol & Drug Testing-How Each Method Works

Operating in Lewisville, TX, Accredited Drug Testing offers comprehensive options for drug and alcohol screenings, catering to employers, DOT requirements, legal mandates, and personal needs nationwide. Understanding the methodologies behind each type of test is pivotal to ensuring accurate selection and results, while adhering to all appropriate regulations. Our certified laboratories and highly trained Medical Review Officers provide the expertise necessary for precise and trustworthy testing outcomes.

Alcohol Urine Drug Test

Detecting recent alcohol consumption through alcohol urine tests is widespread for workplace assessments, legal stipulations, and post-incident scenarios. Despite not measuring current impairment, its short detection span is efficient and cost-effective for many situations.

ETG Alcohol Test (Urine)

The EtG urine test is more sensitive, identifying alcohol consumption up to 80 hours post intake. Given its reliability, it is often utilized by legal systems, rehab facilities, and compliance entities demanding more extended detection windows.

Breath Alcohol Test

Focusing on current impairment, the breath alcohol test uses DOT-approved devices to measure blood alcohol concentration efficiently. This approach is favored in workplace checks, accident aftermaths, and scenarios where immediate legal results are warranted.

Blood Alcohol Test

The blood alcohol test provides direct measurement of alcohol levels in the bloodstream, appreciated for its accuracy in high-stake scenarios like hospital assessments, DUI situations, and serious legal investigations.

PEth Alcohol Blood Test

Detecting longer-term alcohol behavior, the PEth blood test recognizes specific biomarkers and sustains detection for up to 2-3 weeks, supporting legal and family law cases, and pre-employment checks in sensitive industries.

ETG Alcohol Test (Hair)

This hair test gives a broad overview of up to 90 days of alcohol use history, ferreting out patterns indicative of habitual consumption, making it indispensable in family and legal testing frameworks.

Delivering prompt arrangements and services through certified labs, Accredited Drug Testing assures that each test delivers robust answers, upholding security and compliance for individual and professional peace of mind.


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

Fantastic Experience

Fantastic experience from the beginning. Jocelyn was very helpful to me as someone who doesn’t have much experience in needing a test. They were very helpful and walked me through the entire process start to finish. Thank you ADT!

Riley Wilson - 2/18/2025

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

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

Reception is kind and helpful

Reception is kind and helpful , everything quick and simple , best urgent care

Yusuf Narmuradov - 11/19/2024

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


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(800) 221-4291