Drug & Alcohol Testing Near Me - Mercerville, NJ

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

37 Drug-Testing Centers in Mercerville

Minutes Away, Test Today

811 Highway 330.14 miles

811 Highway 33
Hamilton, NJ 8619

2222 Highway 33 Ste H0.78 miles

2222 Highway 33 Ste H
Hamilton, NJ 8690

2 Hamilton Health Pl1.00 miles

2 Hamilton Health Pl
Hamilton, NJ 8690

1670 Whitehorse Hamilton Square Rd1.43 miles

1670 Whitehorse Hamilton Square Rd
Hamilton, NJ 8690

1225 Whitehorse Mercerville Rd, Suite 2011.80 miles

1225 Whitehorse Mercerville Rd, Suite 201
Hamilton, NJ 8619

1255 Whitehorse Mercerville Rd1.81 miles

1255 Whitehorse Mercerville Rd
Mercerville, NJ 8619

1544 Kuser Rd Ste C92.05 miles

1544 Kuser Rd Ste C9
Trenton, NJ 8619

1 Washington Blvd Ste A2.08 miles

1 Washington Blvd Ste A
Robbinsville, NJ 8691

2500 Us Highway 13.45 miles

2500 Us Highway 1
Lawrenceville, NJ 8648

168 Franklin Corner Rd, Bldg. 2, Suite 1d3.71 miles

168 Franklin Corner Rd, Bldg. 2, Suite 1d
Lawrenceville, NJ 8648

601 Hamilton Ave3.86 miles

601 Hamilton Ave
Trenton, NJ 8629

832 Brunswick Ave4.22 miles

832 Brunswick Ave
Trenton, NJ 8638

750 Brunswick Ave4.26 miles

750 Brunswick Ave
Trenton, NJ 8638

5 Plainsboro Rd Ste 5707.97 miles

5 Plainsboro Rd Ste 570
Plainsboro, NJ 8536

Po Box 2339.39 miles

Po Box 233
Fairless Hills, PA 19030

601 Ewing St, Suite C-229.67 miles

601 Ewing St, Suite C-22
Princeton, NJ 8540

153 Levittown Pkwy, Suite 5a10.04 miles

153 Levittown Pkwy, Suite 5a
Levittown, PA 19055

605 S Queen Anne Dr10.20 miles

605 S Queen Anne Dr
Fairless Hills, PA 19030

3 Liberty St, Suite 101610.32 miles

3 Liberty St, Suite 1016
Plainsboro, NJ 8536

301 Oxford Valley Rd Ste 110410.42 miles

301 Oxford Valley Rd Ste 1104
Yardley, PA 19067

360 Oxford Valley Rd10.72 miles

360 Oxford Valley Rd
Langhorne, PA 19047

380 Oxford Valley Rd10.72 miles

380 Oxford Valley Rd
Langhorne, PA 19047

333 N Oxford Valley Road, Suite 20310.98 miles

333 N Oxford Valley Road, Suite 203
Fairless Hills, PA 19030

701 Floral Vale Blvd Ste 70111.11 miles

701 Floral Vale Blvd Ste 701
Yardley, PA 19067

304 Floral Vale Blvd11.22 miles

304 Floral Vale Blvd
Yardley, PA 19067

586 Middletown Blvd, Suite C-1111.23 miles

586 Middletown Blvd, Suite C-11
Langhorne, PA 19047

930 Town Center Dr Ste G3011.27 miles

930 Town Center Dr Ste G30
Langhorne, PA 19047

4105 Us Highway 1 Ste 112.63 miles

4105 Us Highway 1 Ste 1
Monmouth Junction, NJ 8852

1854 Veterans Hwy13.02 miles

1854 Veterans Hwy
Levittown, PA 19056

200 Commerce Circle, Bristol Park Shopping Center13.09 miles

200 Commerce Circle, Bristol Park Shopping Center
Bristol, PA 19007

2 Centre Dr Ste 40013.26 miles

2 Centre Dr Ste 400
Monroe, NJ 8831

501 Bath Rd13.42 miles

501 Bath Rd
Bristol, PA 19007

333 Forsgate Drive, Ste 20314.20 miles

333 Forsgate Drive, Ste 203
Jamesburg, NJ 8831

10 Costco Dr14.21 miles

10 Costco Dr
Monroe, NJ 8831

2103 Mount Holly Rd15.24 miles

2103 Mount Holly Rd
Burlington, NJ 8016

31 Turnberry Dr15.77 miles

31 Turnberry Dr
Manalapan, NJ 7726

1085 Cranbury South River Rd Ste 216.09 miles

1085 Cranbury South River Rd Ste 2
Jamesburg, NJ 8831

Drug Testing Near Me

Searching for Nearby Drug Testing Facilities?

In Mercerville, NJ and across the nation, Accredited Drug Testing, Inc. stands out as a premier provider of immediate drug and alcohol testing services, offering convenience through a vast network of over 20,000 locations nationwide. Whether your requirement is for a DOT-regulated examination, a court-mandated screening, pre-employment testing, or individual assessments, we ensure the process is swift, straightforward, and confidential. Our accredited collection sites and laboratories guarantee precise, dependable results that adhere to Federal and Mercerville, NJ state compliance laws. Simply dial (800) 221-4291 or book online anytime to discover a drug testing center near you.

When utmost safety, adherence to regulations, and peace of mind are paramount, Accredited Drug Testing provides reliable, punctual results every time, nationwide and in Mercerville, NJ.

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

In Mercerville, NJ and across the nation, urine drug testing remains the most prevalent screening method and the sole approved type for DOT-regulated drug testing according to 49 CFR Part 40. This diagnostic technique discerns recent drug usage by examining a urine sample to detect drugs, drug metabolites, or alcohol markers. Designed to maintain confidentiality, the process is structured to yield precise and legally sound results for employers, individuals, and court-ordered schemes.

Testing Methods & Collection Process

1. Donor Identity Verification

Donors present a legitimate government ID and complete necessary chain-of-custody documentation before beginning the test.

2. Secure Collection Environment

Urine samples are collected in a monitored restroom setting to deter tampering, with personal items restricted, water access secured, and toilet water colored per security norms.

3. Chain of Custody Documentation

A recognized Chain of Custody Form (CCF) documents the sample's transfer from collection to analysis, ensuring the test's credibility and legality.

4. Temperature & Validity Checks

Upon collection, temperature and physical appearance checks are performed on the specimen. The lab also conducts validity tests, including creatinine, pH, specific gravity, and adulterant screens.

5. DOT Split Specimen

For DOT urine tests, samples are divided into two bottles: Bottle A for primary analysis and Bottle B for retesting if needed. Non-DOT tests generally collect a singular vial.

6. Laboratory Screening & Confirmation

Testing is conducted at SAMHSA-certified laboratories utilizing a dual-process approach:

  • Initial Immunoassay Screen: detects various drug categories.
  • Confirmation Testing: GC/MS or LC/MS precision analysis verifies specific drugs or their metabolites.

7. MRO Verification

A licensed Medical Review Officer assesses non-negative results, verifying correctness, and discusses medical justifications with the donor before finalizing the results.

How Long Do Urine Test Results Take?

  • Instant Urine Test: Same-day for negatives; positive samples are sent to a lab for confirmation (24-72 hours).
  • Lab-Based Urine Test: 24-48 hours for most negatives.
  • DOT Drug Test: 1-3 business days, affected by MRO review and donor contact.
  • Urine EtG Alcohol Test: Typically takes 24-48 hours.

Additional time may be necessary for circumstances involving shy bladder, invalid samples, or if extra laboratory confirmation or communication with the donor is required.

Benefits of Urine Drug & Alcohol Testing

  • DOT Approved: Only method federally sanctioned for regulated testing.
  • Effective for detecting recent substance ingestion, ideal in workplace and post-incident investigations.
  • Cost-efficient with quick results.
  • Widely endorsed by judicial systems, businesses, and government entities.
  • Immediate testing provides rapid screening options.
  • Ensures high accuracy with GC/MS or LC/MS confirmation technology.

Limitations of Urine Drug & Alcohol Testing

  • Narrow detection period (1-7 days for the majority of drugs).
  • Potential tampering risk without adequate security.
  • Incapable of chronic or historical usage patterns.
  • Requires restroom infrastructure and specific protocols for collection.
  • Standard urine tests generally fail to detect alcohol unless EtG/EtS testing is employed.

While these limitations exist, urine testing is the most feasible and prevalently utilized method for drug and alcohol analysis nationwide.

How Hair Drug Testing Works

Renowned for its remarkable reliability, hair drug and alcohol testing unveils extended substance usage tendencies by scrutinizing drug metabolites within hair strands over a generous 90-day detection span. Ideal for workplace regulations, court trials, child custody disputes, and cases necessitating long-term verification, it stands superior to urine-based methodology, especially for consistent or intermittent usage detection.

Testing Methods & Collection Process

  • 1. Donor Identity Verification: Proper identification and signing of custody-related documents establish accurate donor identification and consent.
  • 2. Hair Collection Procedure: Expertly gathered hair snippets (about 100-120) are painlessly and swiftly collected from the donor, mainly from the crown. In lack of head hair, body hair serves as a secondary source.
  • 3. Chain of Custody Documentation: A Hair Drug Test Custody and Control Form documents the collection details and subsequent handling of the sample for defensible legal results.
  • 4. Laboratory Preparation & Analysis: Laboratory processing involves washing and segmenting the hair for extraction, followed by meticulous lab testing.
  • Decontamination: Ensures cleaning of external contaminants.
  • Cutting/Grinding: Prepares hair for analytical extraction.
  • Extraction: Separates drug metabolites for comprehensive analysis.
  • Initial Screening: Distinguishes drug categories through immunoassay techniques.
  • Confirmation Testing: GC/MS or LC/MS guarantees specific substance detection.
  • 5. Metabolite Detection: Hair-bound substances document comprehensive drug consumption timelines, defying adulteration risks prevalent with other testing methods.
  • 6. MRO Review: Licensed Medical Review Officers authenticate results, ensuring accuracy and substantiating potential medical justifications.

Receiving results might take 2-3 business days from a standard hair test or up to 5 days for complex panels such as EtG/FAEE alcohol analysis.

Benefits of Hair Drug & Alcohol Testing

In Mercerville, NJ and beyond, this method proves invaluable for revealing long-term substance use scenarios, despite its inability to detect short-term drug use or high costs compared to other methodologies.

Alcohol & Drug Testing-How Each Method Works

Accredited Drug Testing presents a comprehensive suite of drug and alcohol screening services tailored to meet any need, whether for employers, DOT compliance, legal cases, or individual purposes. Comprehending how each test functions allows for informed selection, ensuring precise results and adherence to federal and state, including Mercerville, NJ, regulations. Our extensive national network, accredited laboratories, and seasoned Medical Review Officers guarantee the quality, confidence, and professionalism necessary for outcomes you can rely on.

Alcohol Urine Drug Test

An alcohol urine test locates recent alcohol use by recognizing ethanol metabolites in urine, commonly utilized in workplace settings, legal obligations, and post-incident scenarios. Although it does not gauge present impairment, it offers a brief detection span lasting a few hours, providing a rapid, economical screening method.

ETG Alcohol Test (Urine)

The EtG (Ethyl Glucuronide) urine test is highly sensitive, identifying alcohol use up to 80 hours post-intake. As a direct ethanol metabolite, it's extensively applied by courts, rehab, and monitoring agencies, giving a longer window than standard urine tests with reliable results.

Breath Alcohol Test

A breath alcohol test ascertains current impairment by evaluating alcohol concentration in deep lung air. Conducted with DOT-approved devices, it delivers instant, lawful results crucial for DOT employees, workplace environments, incidents, or suspicious circumstances.

Blood Alcohol Test

A blood alcohol test provides an accurate measure of circulating ethanol, preferred by hospitals and law enforcement for precision, especially in DUI, critical care, and legal matters.

PEth Alcohol Blood Test

PEth (Phosphatidylethanol) blood tests identify heavy alcohol consumption by tracing alcohol biomarkers within red blood cells. Effective up to 3 weeks post-use, it's a solid indicator for habitual drinking, often used in legal, rehabilitation, and pre-employment screenings.

ETG Alcohol Test (Hair)

The EtG hair test offers a 90-day window by analyzing alcohol metabolites in hair shafts, ideal for detecting ongoing patterns rather than single events. Legal, custody, and monitoring programs leverage its accuracy and tamper-resistant nature.

Through expert guidance, accredited labs, and prompt bookings, Accredited Drug Testing ensures each alcohol screening method produces clear, legally sound outcomes, helping individuals and businesses remain informed and 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

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

Explained everything so no questions

Torin was great. Explained everything so no questions

Tony Lombardo - 4/18/2025

Very professional and very quick

Very professional and very quick service to schedule appointments! I am pleased with the services and would definitely recommend using them for any drug testing needs!

Carrie Feerick - 4/19/2025

Fast service and friendly staff!

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

Habib Malik - 4/12/2025

Kind and very helpful

Called around for hours and posted from company to person and got nowhere and had to fight to get a refund die to there miss information, well save time and sanity Acredited is the ONLY place the person was kind and very helpful, said what I needed and Faith the lady I dealt with made it simple and she did above and beyond everything I needed, as I'm going through a devorse this was a great help and made my day 100 stars from me.

Steven Harrison - 12/19/2024


Sources


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(800) 221-4291