Drug & Alcohol Testing Near Me - Cedar Knolls, 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

30 Drug-Testing Centers in Cedar Knolls

Minutes Away, Test Today

130 Speedwell Ave1.66 miles

130 Speedwell Ave
Morris Plains, NJ 7950

95 Madison Ave Ste 1062.35 miles

95 Madison Ave Ste 106
Morristown, NJ 7960

101 Madison Ave, Ste 1012.52 miles

101 Madison Ave, Ste 101
Morristown, NJ 7960

148 Parsippany Rd Ste 22.77 miles

148 Parsippany Rd Ste 2
Parsippany, NJ 7054

891 Tabor Rd2.93 miles

891 Tabor Rd
Morris Plains, NJ 7950

50 Cherry Hill Rd, Ste 1033.63 miles

50 Cherry Hill Rd, Ste 103
Parsippany, NJ 7054

190 Baldwin Rd4.12 miles

190 Baldwin Rd
Parsippany, NJ 7054

325 State Route 104.16 miles

325 State Route 10
East Hanover, NJ 7936

276 E Main St,4.54 miles

276 E Main St,
Denville, NJ 7834

3175 State Route 10 Ste 5005.00 miles

3175 State Route 10 Ste 500
Denville, NJ 7834

46 Parsippany Blvd5.27 miles

46 Parsippany Blvd
Boonton, NJ 7005

200 Us Highway 465.78 miles

200 Us Highway 46
Parsippany, NJ 7054

338 W Main St6.00 miles

338 W Main St
Boonton, NJ 7005

400 State Route 106.50 miles

400 State Route 10
Randolph, NJ 7869

477 Route 10 East, Suite 2036.76 miles

477 Route 10 East, Suite 203
Randolph, NJ 7869

600 Mount Pleasant Ave7.15 miles

600 Mount Pleasant Ave
Dover, NJ 7801

349 E Northfield Rd, Ste 2038.53 miles

349 E Northfield Rd, Ste 203
Livingston, NJ 7039

101 Old Short Hills Road Suite 4158.64 miles

101 Old Short Hills Road Suite 415
West Orange, NJ 7052

150 Fairfield Rd8.78 miles

150 Fairfield Rd
Fairfield, NJ 7004

16 Brookwood Rd9.17 miles

16 Brookwood Rd
Towaco, NJ 7082

1 Anderson Rd, Ste 101, Lower Level Public Li9.48 miles

1 Anderson Rd, Ste 101, Lower Level Public Li
Bernardsville, NJ 7924

456 Prospect Ave10.38 miles

456 Prospect Ave
West Orange, NJ 7052

225 Millburn Ave Ste 30310.42 miles

225 Millburn Ave Ste 303
Millburn, NJ 7041

464 Eagle Rock Ave Ste C10.48 miles

464 Eagle Rock Ave Ste C
West Orange, NJ 7052

116 Millburn Ave Ste 10210.86 miles

116 Millburn Ave Ste 102
Millburn, NJ 7041

18 Lyons Mall10.94 miles

18 Lyons Mall
Basking Ridge, NJ 7920

66 Sunset Strip10.95 miles

66 Sunset Strip
Succasunna, NJ 7876

501 State Route 1011.17 miles

501 State Route 10
Ledgewood, NJ 7852

60 1st St11.28 miles

60 1st St
South Orange, NJ 7079

2040 Millburn Ave Ste 20311.41 miles

2040 Millburn Ave Ste 203
Maplewood, NJ 7040

Drug Testing Near Me

Searching for reliable drug testing nearby? Look no further than Accredited Drug Testing, Inc., a premier national provider of immediate drug and alcohol testing services with an expansive network exceeding 20,000 locations across the U.S., including Cedar Knolls, NJ. Whether you require a Department of Transportation (DOT) compliant test, judicially ordered screening, employment-related drug assessment, or personal testing for individual purposes, we offer a swift, hassle-free, and discreet booking process. Our certified collection facilities and advanced lab testing procedures guarantee precise, credible findings that adhere to both federal and state regulations. Reach out directly by dialing (800) 221-4291 or schedule your test online around the clock to find an accessible drug testing facility in your vicinity. When priorities like safety, adherence, and assurance are paramount, Accredited Drug Testing provides dependable outcomes punctually, all the 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 remains the predominant method for screening drugs in the United States, particularly as it is the exclusive approved procedure for DOT-regulated drug testing under 49 CFR Part 40. This technique identifies recent substance intake by examining urine for drugs, metabolites, or alcohol indicators. The method is standardized, ensures confidentiality, and is tailored to deliver precise, legally sound results for employers, individuals, and judicial programs within Cedar Knolls, NJ and nationwide.

Testing Process & Methodology

1. Verifying Donor Identities

Every donor presents an official ID and completes necessary chain-of-custody paperwork before the test is administered.

2. Ensuring a Secure Collection Site

Specimens are collected in a regulated restroom setting to deter tampering. Protocols might include limiting personal belongings, securing water sources, and adding dye to toilet water.

3. Documenting Chain of Custody

Utilizing a recognized Chain of Custody Form (CCF), the sample is meticulously tracked from collection through laboratory analysis, which safeguards its integrity and supports legal defensibility.

4. Conducting Temperature & Validity Checks

Right after collection, specimen temperature and appearance are verified. The laboratory further assesses validity, testing for factors like creatinine levels, pH balance, specific gravity, and the presence of adulterants.

5. Implementing DOT Split Specimen Practices

Under DOT standards, urine samples are divided into two separate vials; one for the primary analysis and the second for retesting if needed. Non-DOT tests require only one vial.

6. Laboratory Screening and Confirmatory Testing

At SAMHSA-certified labs, samples undergo a two-tier analysis:

7. Verification by MRO

A medical review officer scrutinizes non-negative outcomes, confirms results, and consults donors regarding medical explanations before finalizing results.

Timeline for Urine Test Results

Extra time might be required for specific scenarios like shy bladder cases, invalid samples, or additional laboratory and donor follow-up.

Advantages of Urine Drug & Alcohol Screening

Notwithstanding the shorter detection range, urine testing prevails as the most feasible and effective method for screening purposes nationwide.

How Hair Drug Testing Works

Hair drug and alcohol testing offers a robust and extended outlook on substance usage patterns, spanning a considerable 90-day detection period through the assessment of metabolites within the hair shaft. Unlike urine testing, which serves to detect recent consumption, hair analysis excels in identifying longer-term use and is thereby suited for employment compliance, legal cases, child custody situations, and other contexts where an extended view is advantageous across Cedar Knolls, NJ and beyond.

Collection and Testing Steps:

1. Verification Process: Prior to sample collection, participants are required to present a government-issued ID and complete all relevant forms to maintain chain-of-custody.

2. Hair Sample Collection: A technician extracts a small sample, typically 100-120 hairs, closest to the scalp. The crown is ideal, although body hair may be used if necessary. The method is quick, non-invasive, and involves supervised collection.

3. Documenting Collection: A Hair Drug Test Control Form records the specimen's collection, sealing, and transfer, securing the legal standing of test results.

4. Laboratory Steps: Within the lab, hair undergoes rigorous processing:

The final stage involves meticulous testing techniques:

5. Metabolite Trapping: As hair grows, it encapsulates metabolites, providing a dependable account of usage that resists manipulation.

6. Review by Medical Officers: Any non-negative outcomes are scrutinized by a Medical Review Officer, who confirms the results' validity.

Timing of Results:

Although processing time for hair testing is slightly extended compared to other methods, its long-window detection period provides an unrivaled insight into substance use patterns.

Advantages of Hair Testing:

  • Long Detection Span: Effectively identifies use over a three-month period.
  • Integrity: Difficult to falsify results.
  • Illustrates intermittent or continuous usage.
  • Proven utility in legal and compliance frameworks.
  • Non-intrusive collection.
  • Highly precise through advanced confirmation methods.

Testing Limitations:

  • Not suitable for detecting recent drug exposure.
  • Higher financial cost compared to other tests.
  • Body hair provides less clear-cut timelines.
  • Substance integration varies by hair type.
  • Not DOT sanctioned.

Despite its limitations, the prominence of hair testing in legal, professional, and personal contexts makes it a valuable resource for ensuring comprehensive substance use evaluation.

Alcohol & Drug Testing-How Each Method Works

In Cedar Knolls, NJ, Accredited Drug Testing provides an extensive catalog of alcohol and drug screening alternatives meticulously tailored to meet the diverse needs across employer settings, DOT regulations, legal cases, and personal testing scenarios. Grasping the functionalities of each testing option ensures that users receive optimally suitable, credible results while achieving unfaltering compliance with federal guidelines and Cedar Knolls, NJ state regulations. These tests are conducted through our expansive network, accredited laboratories, and seasoned Medical Review Officers.

Alcohol Urine Drug Test

An alcohol urine test promptly identifies recent alcohol consumption through ethanol metabolites present in urine. This type is popular for workplace investigations, satisfying court urgencies, or post-incident circumstances. Despite not measuring real-time impairment, it serves a brief detection duration, spanning a few hours, providing a swift and economical screening proposition.

ETG Alcohol Test (Urine)

The EtG (Ethyl Glucuronide) urine test recognizes alcohol usage as far back as 80 hours post-consumption due to its sensitivity. With EtG being a direct metabolite of ethanol, this method is extensively adopted by courts, rehab programs, and compliance observation bodies, offering a broader window of detection than traditional urine testing, praised for its precision and dependability.

Breath Alcohol Test

Employment of a breath alcohol test facilitates real-time impairment assessment by reviewing alcohol concentrations within deep lung air. Managed using DOT-certified breath alcohol devices, these tests yield instantaneous results, defensible legally, and are imperative for DOT personnel. They are dominant in workplace regulations, post-incident protocols, and reasonable suspicion circumstances.

Blood Alcohol Test

Carrying unparalleled accuracy, a blood alcohol test ascertains ethanol concentration directly within the bloodstream. It's a sought-after choice for hospitals, law enforcement, and legal agencies, particularly in DUI examinations, emergency caregiving, and pivotal legal investigations.

PEth Alcohol Blood Test

PEth (Phosphatidylethanol) blood tests detect persistent or heavy alcohol intake by identifying alcohol-specific biomarkers embedded in red blood cells. This unmistakably reliable technique spots usage up to 2-3 weeks prior, making it a key resource in family law proceedings, observational programs, treatment facilities, and pre-employment scrutiny for safety-intensive industries.

ETG Alcohol Test (Hair)

An EtG hair alcohol test offers a comprehensive 90-day detection span by focusing on alcohol metabolites rooted within the hair shaft. By identifying consumption patterns over prolonged periods, it serves courts, child custody cases, and sustained supervision programs, upholding stability and accuracy.

Through astute guidance, recognized laboratories, and seamless scheduling, Accredited Drug Testing ensures each method of alcohol screening meets high standards of defensibility, clarity, and compliance, empowering individuals and organizations in Cedar Knolls, NJ to remain well-informed, safeguarded, and wholly compliant with the regulatory statutes.


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

Fast and easy

It was fast and easy a pleasure to talk to the customer service people great service

Peter Villegas - 1/19/2025

I love the customer service

I love the customer service. The lady was patient enough to help me book my appointment with ease and ensuring I get the location that's best for me. Keep up the good work!

Elizabeth Chiaka - 9/19/2024

ADT was able to get me the best tests

Dealing with allegation’s of drug use that completely false is stressful, ADT was able to get me the best tests, going back the farthest in the same day with as little hassle as possible, I spoke with 1 person and wasn’t transferred once, and they took my payment, and got me my work order for a clinic as close as possible for the service I needed. 5*

Christopher Hansis - 12/19/2024

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


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Get fast, accurate hair drug testing at our convenient Cedar Knolls, NJ locations—results you can trust, every time!

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Fast, reliable alcohol testing to keep your workplace safe and compliant every single day in Cedar Knolls, NJ.

Cedar Knolls Drug Testing Services

Reliable nationwide drug testing services ensuring accuracy, compliance, and quick results for businesses and individuals in Cedar Knolls, NJ.

Cedar Knolls 5 Panel Drug Test

Accurate 5 panel drug testing with fast, confidential results—trusted by Cedar Knolls, NJ employers and individuals nationwide.

Cedar Knolls 10 Panel Drug Test

Comprehensive 10 panel drug testing with fast, reliable results—trusted for Cedar Knolls, NJ workplace and personal testing needs.

Cedar Knolls On Site Drug Testing

Convenient on-site mobile drug testing with fast, reliable results—saving time while keeping your Cedar Knolls, NJ workplace compliant.

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Certified DOT physicals with quick, reliable exams to keep Cedar Knolls, NJ drivers compliant and on the road with confidence.

DOT Consortium

Join our DOT consortium for hassle-free compliance, random testing management, and reliable driver safety solutions.

(800) 221-4291