Drug & Alcohol Testing Near Me - Winnsboro, SC

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

29 Drug-Testing Centers in Winnsboro

Minutes Away, Test Today

102 Us Highway 321 Byp N0.90 miles

102 Us Highway 321 Byp N
Winnsboro, SC 29180

56 Us Highway 321 Byp N0.94 miles

56 Us Highway 321 Byp N
Winnsboro, SC 29180

32 River Street16.54 miles

32 River Street
Peak, SC 29122

120 Highland Ctr Dr Ste 130b19.80 miles

120 Highland Ctr Dr Ste 130b
Columbia, SC 29203

114 Gateway Corporate Blvd Ste 43020.32 miles

114 Gateway Corporate Blvd Ste 430
Columbia, SC 29203

557 Columbia Ave20.35 miles

557 Columbia Ave
Chapin, SC 29036

208 Deer Run Rd20.74 miles

208 Deer Run Rd
Elgin, SC 29045

1 Wellness Blvd Ste 10521.41 miles

1 Wellness Blvd Ste 105
Irmo, SC 29063

10040 Two Notch Rd21.42 miles

10040 Two Notch Rd
Columbia, SC 29223

10060 Two Notch Rd21.43 miles

10060 Two Notch Rd
Columbia, SC 29223

9005 Two Notch Road Suite 1521.83 miles

9005 Two Notch Road Suite 15
Columbia, SC 29223

4621 Hardscrabble Road21.93 miles

4621 Hardscrabble Road
Columbia, SC 29223

100 Jimmy Love Ln22.46 miles

100 Jimmy Love Ln
Columbia, SC 29212

1117 Saint Andrews Rd22.79 miles

1117 Saint Andrews Rd
Columbia, SC 29210

6941 N Trenholm Rd Ste I23.33 miles

6941 N Trenholm Rd Ste I
Columbia, SC 29206

1345 Garner Ln Ste 30323.36 miles

1345 Garner Ln Ste 303
Columbia, SC 29210

2406 Decker Blvd23.66 miles

2406 Decker Blvd
Columbia, SC 29206

114 Gateway Ln23.68 miles

114 Gateway Ln
Columbia, SC 29210

3909 Lancaster Hwy23.73 miles

3909 Lancaster Hwy
Richburg, SC 29729

111 Executive Center Dr Ste 23823.85 miles

111 Executive Center Dr Ste 238
Columbia, SC 29210

3010 Farrow Rd Ste 230,24.45 miles

3010 Farrow Rd Ste 230,
Columbia, SC 29203

760 Addison Dr25.01 miles

760 Addison Dr
Rock Hill, SC 29730

220 Stoneridge Dr Ste 10125.06 miles

220 Stoneridge Dr Ste 101
Columbia, SC 29210

1060 Highway 1 S25.11 miles

1060 Highway 1 S
Lugoff, SC 29078

8 Raspberry Ct25.45 miles

8 Raspberry Ct
Lugoff, SC 29078

3304 Forest Dr25.49 miles

3304 Forest Dr
Columbia, SC 29204

2719 Middleburg Dr Ste 20125.50 miles

2719 Middleburg Dr Ste 201
Columbia, SC 29204

4500 Forest Dr Ste A25.53 miles

4500 Forest Dr Ste A
Columbia, SC 29206

1715 Blanding St25.63 miles

1715 Blanding St
Columbia, SC 29201

Drug Testing Near Me

Are you trying to find drug testing services nearby in Winnsboro, SC? Look no further than Accredited Drug Testing, Inc., your one-stop solution providing immediate drug and alcohol testing at over 20,000 strategic destinations across the country. Whether it's a DOT-mandated test, judicially required screening, employment pre-screening, or any personal purpose test, our service ensures a smooth, discreet booking process. Ensuring accuracy and compliance, our trained collection sites and expert laboratories uphold federal and Winnsboro, SC state regulations. Simply contact us at (800) 221-4291 or schedule anytime online to find the most suitable drug testing facility around you. When it comes to security, adherence to rules, and peace of mind, Accredited Drug Testing is committed to delivering dependable results promptly.

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 stands as the most prevalent screening method across America and it's the sole method approved for DOT-regulated testing under 49 CFR Part 40. The test identifies recent substance use by evaluating a urine sample for drugs, metabolites, or alcohol biomarkers. In Winnsboro, SC, the procedure is standardized to deliver accurate and legally defensible outcomes for employers, individuals, and mandated programs.

Testing Procedures & Collection Protocols

1. Donor Identity Confirmation

The donor presents valid identification and completes necessary documentation prior to testing.

2. Controlled Collection Environment

Samples are collected in a secure restroom setting to prevent tampering, with specific security measures like restricting personal items and secured water sources.

3. Effective Chain of Custody Documentation

A mandated Chain of Custody Form (CCF) ensures the test's integrity as the specimen moves through analysis stages.

4. Verification of Temperature & Validity

Upon collection, temperature checks are conducted. Laboratories further assess validity through creatinine, pH, and other screenings.

5. DOT Split Specimen Collection

DOT urine tests are divided into two bottles for primary and, if needed, secondary testing while single vial collection is used for non-DOT tests.

6. Laboratory Screening & Confirmation

At SAMHSA-approved labs, samples undergo a meticulous two-phase testing protocol utilizing initial immunoassay screens followed by GC/MS or LC/MS confirmations.

7. Medical Review Officer (MRO) Verification

A licensed MRO assesses non-negative results and communicates with the donor regarding medical explanations for validation.

Expected Turnaround Time for Urine Test Results

  • Immediate results for clear tests; up to 72 hours for subsequent reviews.
  • Lab Tests: Generally, 24-48 hours for negative results.
  • DOT Testing: Finalized within 1-3 business days.
  • Urine EtG Alcohol Test: Results expected within 24-48 hours.

Additional wait time may arise if situations like shy bladder or invalid samples occur.

Advantages of Urine Drug & Alcohol Screening

  • Meets DOT regulations, capturing recent use ideal for workplace screening.
  • Low-cost and swift response times.
  • Universally accepted across courts and various agencies.
  • Confirmation Technology: Ensures test accuracy through GC/MS or LC/MS methods.

Limitations of Urine Drug & Alcohol Testing

  • Limited detection span (1-7 days for the majority of substances).
  • Potential tampering absence stringent security.
  • Unsuitable for discerning historical usage patterns.
  • Requires distinct collection protocols and facilities.
  • Standard tests do not cover alcohol unless specified.

Despite these limitations, urine tests remain essential nationwide due to their practicality and reliability.

How Hair Drug Testing Works

Introducing Hair Drug and Alcohol Testing in Winnsboro, SC

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

Offering a broad array of alcohol and drug testing services tailored to the needs of employers, the DOT, legal requirements, and personal reasons, Accredited Drug Testing ensures precision across all facets. By understanding each method's mechanism, clients receive results that are not only accurate but also compliant with both federal and Winnsboro, SC state laws. Our extensive national network, accompanied by certified laboratories and proficient Medical Review Officers, pledges the highest standards of professional testing execution.

Alcohol Urine Drug Test

Detection of recent alcohol consumption is made possible through an alcohol urine test, which identifies ethanol metabolites. This cost-effective method is frequently employed in occupational settings, court orders, or post-incident assessments. The test covers a brief detection timeframe, providing quick results while not directly reflecting impairment levels.

ETG Alcohol Test (Urine)

Favored within judicial, rehabilitation, and compliance domains, the EtG urine test is renowned for its ability to detect alcohol consumption up to 80 hours post-ingestion. EtG's association as a byproduct of ethanol consumption enables the test to deliver accuracy and longevity in its detection capacity.

Breath Alcohol Test

By examining the alcohol concentration within deep lung air, breath alcohol testing showcases current levels of impairment. Administered using DOT-sanctioned devices, these tests provide instantaneous legal outcomes and are essential in DOT employment screenings, post-accident checks, and cases of suspected intoxication.

Blood Alcohol Test

Renowned for its precision, a blood alcohol test quantifies ethanol levels directly from the bloodstream. Trusted by medical facilities, law enforcement, and judicial institutions, this testing method is indispensable for DUI investigations, urgent medical cases, and significant legal inquiries.

PEth Alcohol Blood Test

Identifying chronic alcohol misuse through biomarkers within red blood cells, the PEth blood test detects usage extending to 2-3 weeks. Its reliability as an indicator of drinking patterns is widely applied in family law, treatment assessments, and pre-employment screening actions.

ETG Alcohol Test (Hair)

Providing a 90-day observation period, the EtG hair alcohol test assesses alcohol metabolites located in hair shafts, revealing trends of repeated or prolonged consumption. Due to its accuracy and stability, this test finds common use in courts, child custody determinations, and ongoing monitoring regimens.

With guidance from seasoned professionals, access to nationally recognized laboratories, and swift test scheduling, Accredited Drug Testing guarantees that each alcohol screening result is precise, defensible, and aligns with compliance standards, supporting individuals and employers in retaining informed, secure, and compliant practices.


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

A very nice company

A very nice company of expertise. The staff will go above to help you out of your situation in a timely matter 👏

Tam Jack - 2/19/2025

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

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

Accredited has been wonderful to work with!

Accredited has been wonderful to work with! My court ordered tests are on a very strange schedule but every time I call, they are quick to schedule me and are always able to find a location that works for where I’m at and when! Thank you for making this rather undesirable situation less stressful and efficient.

Madison Sanderford - 8/19/2024

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


Sources


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(800) 221-4291