Drug & Alcohol Testing Near Me - Winnfield, LA

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

34 Drug-Testing Centers in Winnfield

Minutes Away, Test Today

301 W Boundary Ave0.21 miles

301 W Boundary Ave
Winnfield, LA 71483

10275 Highway 844.93 miles

10275 Highway 84
Winnfield, LA 71483

1102 N Pine Rd21.10 miles

1102 N Pine Rd
Olla, LA 71465

165 Beech Springs Rd23.00 miles

165 Beech Springs Rd
Jonesboro, LA 71251

1029 Keyser Ave Ste H27.44 miles

1029 Keyser Ave Ste H
Natchitoches, LA 71457

1029 Keyser Ave Ste A27.44 miles

1029 Keyser Ave Ste A
Natchitoches, LA 71457

651 Bienville Cir28.17 miles

651 Bienville Cir
Natchitoches, LA 71457

405 Bienville St Ste B28.53 miles

405 Bienville St Ste B
Natchitoches, LA 71457

1640 Breazeale Springs St28.86 miles

1640 Breazeale Springs St
Natchitoches, LA 71457

187 Ninth St32.57 miles

187 Ninth St
Jena, LA 71342

1010 Davis Lake Rd35.83 miles

1010 Davis Lake Rd
Columbia, LA 71418

1809 Northpointe Ln Ste 10238.99 miles

1809 Northpointe Ln Ste 102
Ruston, LA 71270

Onsite Only38.99 miles

Onsite Only
Ruston, LA 71270

401 E Vaughn Ave40.72 miles

401 E Vaughn Ave
Ruston, LA 71270

1200 S Farmerville St40.87 miles

1200 S Farmerville St
Ruston, LA 71270

765 S Bonner St41.14 miles

765 S Bonner St
Ruston, LA 71270

617 S Trenton St41.31 miles

617 S Trenton St
Ruston, LA 71270

3221 Military Hwy41.34 miles

3221 Military Hwy
Pineville, LA 71360

1635 Marvel St41.62 miles

1635 Marvel St
Coushatta, LA 71019

403 Long Jones Hall42.33 miles

403 Long Jones Hall
Grambling, LA 71245

201 4th St43.65 miles

201 4th St
Alexandria, LA 71301

3601 Jackson Street Ext43.75 miles

3601 Jackson Street Ext
Alexandria, LA 71303

2916 N Trenton St44.00 miles

2916 N Trenton St
Ruston, LA 71270

108 Constitution Dr44.22 miles

108 Constitution Dr
Alexandria, LA 71303

126 Kings Country Vlg44.63 miles

126 Kings Country Vlg
Pineville, LA 71360

3018 Jackson St Ste 10044.99 miles

3018 Jackson St Ste 100
Alexandria, LA 71301

620 E College St45.21 miles

620 E College St
Homer, LA 71040

3634 Highway 48745.53 miles

3634 Highway 487
Marthaville, LA 71450

1408 Metro Dr45.87 miles

1408 Metro Dr
Alexandria, LA 71301

1175 Pine St Ste 20045.91 miles

1175 Pine St Ste 200
Arcadia, LA 71001

Po Box 3010146.16 miles

Po Box 30101
Alexandria, LA 71301

1251 Hazel St46.44 miles

1251 Hazel St
Arcadia, LA 71001

6142 Masonic Dr48.43 miles

6142 Masonic Dr
Alexandria, LA 71301

5324 Cypress St Ste 448.57 miles

5324 Cypress St Ste 4
West Monroe, LA 71291

Drug Testing Near Me

Searching for reliable drug testing services in your area?

Accredited Drug Testing, Inc. stands out as a leading and reputable provider of both same-day drug and alcohol testing services. With an expansive network of over 20,000 testing sites throughout the nation, including convenient options in the Winnfield, LA, we accommodate a wide range of testing needs. Whether your requirements include DoT-mandated tests, screenings mandated by the court, pre-hire drug assessments, or personal testing purposes, scheduling with us is a straightforward, swift, and private process. Our certified collection sites and laboratories are committed to delivering dependable and precise outcomes, adhering to both federal and state regulatory standards. Reach out effortlessly by calling (800) 221-4291 or by scheduling the service you need online at any time 24/7 here for the most convenient drug testing site near you. For the utmost assurance in safety, compliance, and confidentiality, Accredited Drug Testing consistently provides trustworthy outcomes, on time, every time.

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 Overview in the Winnfield, LA

Urine drug testing remains the paramount method for substance screening across the nation, prominently since it is the exclusive test type sanctioned for DOT-regulated drug testing as per 49 CFR Part 40. This popular testing approach detects recent drug or alcohol use by examining a urine sample for potential presence of substances, drug byproducts, or alcohol markers.

Testing Methods & Collection Process

Timing of Urine Test Results

Occasionally, situations such as shy bladder or invalid specimens, or additional laboratory confirmation might extend the timeline.

Advantages of Urinalysis for Drug and Alcohol Detection

Despite limitations, urine tests are the most adaptable and extensively employed screening method nationally.

How Hair Drug Testing Works

Hair drug and alcohol screenings stand as a credible forensic strategy to detect long-term usage frameworks. In contrast to urine testing which reveals recent consumptions, hair analysis evaluates drug metabolites ensconced in the hair shaft, offering a comprehensive 90-day observation span. This approach is invaluable for workplace assessments, legal cases, child custody disputes, and scenarios demanding a broader snapshot of an individual's substance history, with services inclusive in Winnfield, LA.

Testing Procedures & Collection Workflow

1. Verification of Donor Identity

Proceedings start once the donor presents a valid government ID, finalizing every essential consent, and custody signatures for viable documentation.

2. Hair Sample Gathering

Expert collectors acquire a compact hair strain - chiefly 100-120 strands - trimmed close to the scalp. Despite the head's crown being the favored site, in its absence, alternate body hair might be harvested courteously, quietly observed throughout.

3. Custodial Chain Documentation

A Hair Drug Test Custody and Control Form is affixed to authenticate the collection, sealing, and transit of the specimen, assuring legally defensible outcomes and preserving integrity throughout testing.

4. Laboratory Conditioning & Analysis

In the lab, hair samples navigate several forensic phases:

  • Decontamination: Erasure of exterior contaminants, like smoke residue or environs.
  • Sectioning/Grinding: Hair is segmented or pulverized prepping for extraction.
  • Extraction: Drug metabolites are chemically retrieved from within the hair matrix.

The sample is then scrutinized utilizing advanced testing techniques:

  • Initial Screening - Immunoassay evaluations spotlight drug categories.
  • Verification Testing - GC/MS or LC/MS apparatuses affirmed specific drugs/metabolites with technical accuracy.

5. Metabolite Detection

While the hair nurtures, drug remains preserve within its shaft yielding a staunch long-term consumption record, rendering hair testing remarkably secure against tampering or deceit.

6. MRO Analysis

Appointed Medical Review Officers evaluate all non-negative data for compliance, cognize possible healthcare justifications, thereafter issuing the certified final inference.

Timeline for Hair Test Results

  • Standard Hair Testing: 2-3 business days post-sample arrival at the lab.
  • Intricate Panels/Alcohol Testing (EtG/FAEE): Determinable over a 3-5 business day stretch based on the test module.

Despite the protracted laboratory processes involved in hair testing, its steadfast detection reliability surpasses urine testing alternatives considerably.

Advantages of Hair Drug & Alcohol Testing

  • 90-day detection latitude reflecting enduring substance consumption.
  • Extremely impregnable against counterfeiting or tampering stratagems.
  • Charts regular, sporadic, or ceased drug usage patterns.
  • Favored in legal contests, child custody determinations, and regulatory adherences.
  • Non-invasive and rapidly executed collection.
  • Currently, no DOT regulated approvals exist for hair testing criteria.

Constraints of Hair Drug & Alcohol Testing

  • Incumbent challenges spotting very recent uses (5-7 days ensuing consumption).
  • Carries heftier expenses when estimated against urine or oral fluids tests.
  • Body hair unable to provide definite detection intervals.
  • Substances integrate with hair variably influenced by hair types and maturity rates.
  • Though possessing certain limitations, hair testing endures as a premium method for discerning chronic substance consumptions, enacted extensively by employers, legal authorities, and individual users demanding credible tamper-protected outcomes.

Alcohol & Drug Testing-How Each Method Works

Within Winnfield, LA 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

phone support has been excellent

I have used ADT several times. Their phone support has been excellent, both when putting in the orders and when asking for help to interpret results.

Tee Ess - 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

Super Easy!

Super easy to set up an appointment through the phone. They walked me through all the steps and found me a location right near my house. Would definitely recommend!

Aldita Lumaj - 1/17/2025

Everything was great

Everything was great, the staff was very polite. Thank you.

Olga Petrova - 9/19/2024

Very easy to get scheduled

Very easy to get scheduled and easy process once checked in and the staff were all extremely friendly! I would recommend this company!

Ronickia Moore - 11/19/2024


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(800) 221-4291