Drug & Alcohol Testing Near Me - Williamsburg, MI

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

21 Drug-Testing Centers in Williamsburg

Minutes Away, Test Today

6100 Us Highway 31 N4.66 miles

6100 Us Highway 31 N
Williamsburg, MI 49690

550 Munson Ave8.58 miles

550 Munson Ave
Traverse City, MI 49686

419 S Coral St11.22 miles

419 S Coral St
Kalkaska, MI 49646

1105 Sixth St11.68 miles

1105 Sixth St
Traverse City, MI 49684

1213 W Front St,11.75 miles

1213 W Front St,
Traverse City, MI 49684

3074 N Us Highway 31 S16.23 miles

3074 N Us Highway 31 S
Traverse City, MI 49684

419 W State St18.70 miles

419 W State St
Mancelona, MI 49659

601 Bridge St29.07 miles

601 Bridge St
East Jordan, MI 49727

1100 E Michigan Ave34.93 miles

1100 E Michigan Ave
Grayling, MI 49738

400 Hobart St Ste 32936.44 miles

400 Hobart St Ste 329
Cadillac, MI 49601

400 Hobart St36.44 miles

400 Hobart St
Cadillac, MI 49601

520 Cobb Street,36.56 miles

520 Cobb Street,
Cadillac, MI 49601

520 Cobb St36.58 miles

520 Cobb St
Cadillac, MI 49601

8950 Professional Dr37.86 miles

8950 Professional Dr
Cadillac, MI 49601

2147 Professional Dr39.11 miles

2147 Professional Dr
Gaylord, MI 49735

1996 Walden Dr39.16 miles

1996 Walden Dr
Gaylord, MI 49735

850 N Otsego Ste 139.88 miles

850 N Otsego Ste 1
Gaylord, MI 49735

825 N Center Ave40.02 miles

825 N Center Ave
Gaylord, MI 49735

562 S M 7541.23 miles

562 S M 75
Boyne City, MI 49712

9249 W Lake City Rd42.49 miles

9249 W Lake City Rd
Houghton Lake, MI 48629

1890 S Us 131,45.22 miles

1890 S Us 131,
Petoskey, MI 49770

Drug Testing Near Me

Are you searching for reliable drug testing facilities nearby? Accredited Drug Testing, Inc. stands as a reputable authority in providing same-day drug and alcohol screenings across the country, with more than 20,000 locations available. No matter if you require a DOT-compliant test, a court-mandated evaluation, a pre-employment screening, or a personal examination, our process of scheduling is seamless, discreet, and straightforward. We are committed to delivering accurate and reliable outcomes through our certified collection sites and laboratories that adhere to federal and state standards. Just dial (800) 221-4291 or book online around the clock to locate a nearby drug testing facility. Choosing Accredited Drug Testing guarantees you timely and dependable results, prioritizing safety, adherence, and assurance at all times.

If you're located in Williamsburg, MI, rest assured that our services extend to your state, meeting the specific regulatory requirements and ensuring the utmost compliance and accuracy.

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 Williamsburg, MI 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 Testing: Comprehensive Screening in Williamsburg, MI

Hair follicle drug and alcohol testing is esteemed for its reliability in chronicling long-term substance use behaviors. Contrasting urine tests that focus on recent intake, hair tests facilitate an extensive 90-day detection timeframe by examining metabolites embedded in hair structures. This testing approach is especially beneficial to workplace safety programs, legal proceedings, child custody cases, and any context needing substantive substance usage history.

Key Steps in Testing Methods & Collection

Timeframe for Hair Test Results

The multistep processing in hair testing may correlate to longer processing times than urine testing, yet offers potent, consistent detection reliability.

Advantages of Hair Drug & Alcohol Testing

Barriers of Hair Drug & Alcohol Testing

Despite inherent constraints, hair testing continues to stand as an exceptionally credible methodology for discerning long-term substance ingestion, widely embraced by employers, legal authorities, and individuals targeting accurate, non-contaminatable outcomes in Williamsburg, MI.

Alcohol & Drug Testing-How Each Method Works

Accredited Drug Testing extends a comprehensive assortment of drug and alcohol screening services, crafted to fulfill testing demands for employers, DOT, legal systems, and personal needs, even statewide in Williamsburg, MI. Knowing how each testing method operates allows for accurate selection and dependable results, fully aligned with federal and state standards. Our broad network, certified labs, and expert Medical Review Officers uphold the necessary precision, trust, and professionalism for sound testing outcomes.

Alcohol Urine Drug Test

The alcohol urine test detects recent alcohol intake by finding ethanol metabolites within urine, mostly utilized in workplace testing, court cases, and post-accident scenarios. Though not measuring current impairment, it provides a brief detection window over several hours, presenting a swift, cost-effective choice for screening.

ETG Alcohol Test (Urine)

An EtG (Ethyl Glucuronide) urine test is a sensitive method discerning alcohol use up to 80 hours post-consumption. As EtG is a direct derivative of ethanol, this test is widely exercised by courts, rehab programs, and compliance monitoring organizations. Delivering a more extended timeline than standard alcohol urine tests, it's renowned for accuracy and consistency.

Breath Alcohol Test

A breath alcohol test gauges current impairment by analyzing the alcohol concentration in deep lung air. Utilizing DOT-sanctioned breath Alcohol Devices (EBTs), these tests provide instant, admissible results. Essential for DOT-covered employees, they're also prevalent in workplace, accident aftermath, and reasonable suspicion testing scenarios.

Blood Alcohol Test

The blood alcohol test directly quantifies ethanol in the bloodstream, esteemed for its accuracy in determining impairment. This method is utilized by hospitals, law officials, and legal entities, particularly valuable for DUI cases, emergency care, and intensive legal investigations.

PEth Alcohol Blood Test

A PEth (Phosphatidylethanol) blood test discerns chronic or substantive alcohol consumption by identifying unique alcohol biomarkers in red blood cells, sensitive up to 2-3 weeks. Regarded as among the most reliable indicators of extended drinking behaviors, it sees common use in family law, control programs, treatment centers, and sensitive industry pre-employment screenings.

ETG Alcohol Test (Hair)

Offering a 90-day detection range, the EtG hair alcohol test examines ethanol metabolites in the hair shaft, understanding repeated or chronic use rather than one-time events. Highly utilized in court hearings, child custody matters, and prolonged monitoring projects, the method is prized for stability, precision, and resistance to brief abstinence attempts.

With the competence of skilled experts, acclaimed national labs, and expedient scheduling, Accredited Drug Testing guarantees each alcohol testing method furnishes clear, defensible insights that assist individuals and businesses to stay knowledgeable, assured, and wholly compliant with Williamsburg, MI's stringent regulations.


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

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

they have made my job much easier

I always have a good experience setting up company driver drug screens through ADT. I'm really happy I found them while searching online, they have made my job much easier.

Exodus Heath - 2/13/2025

Great service

Great service easy use quick processing! Need a hair follicle for my DCFS case , quick and convenient!

Jesse Dupre - 4/12/2025

Extremely polite

They were very fast extremely polite walked you through every detail of the process if you had any questions they had no problems answering

Billy Williams - 2/19/2025


Sources


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(800) 221-4291