Drug & Alcohol Testing Near Me - Exton, PA

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 Exton

Minutes Away, Test Today

183 W Lincoln Highway - Unit 8, Whiteland Towne Shopping Cente0.43 miles

183 W Lincoln Highway - Unit 8, Whiteland Towne Shopping Cente
Exton, PA 19341

625 N Pottstown Pike1.73 miles

625 N Pottstown Pike
Exton, PA 19341

80 W Welsh Pool Rd Ste 102,2.55 miles

80 W Welsh Pool Rd Ste 102,
Exton, PA 19341

80 W Welsh Pool Rd, Ste 205 N2.55 miles

80 W Welsh Pool Rd, Ste 205 N
Exton, PA 19341

80 W Welsh Pool Rd Ste 20052.63 miles

80 W Welsh Pool Rd Ste 2005
Exton, PA 19341

102 Schubert Dr3.16 miles

102 Schubert Dr
Downingtown, PA 19335

257 W Uwchlan Ave Ste 2203.24 miles

257 W Uwchlan Ave Ste 220
Downingtown, PA 19335

915 Old Fern Hill Rd Ste 33.77 miles

915 Old Fern Hill Rd Ste 3
West Chester, PA 19380

309 Lancaster Avenue,3.88 miles

309 Lancaster Avenue,
Frazer, PA 19355

606 E Marshall St Ste 1054.12 miles

606 E Marshall St Ste 105
West Chester, PA 19380

600 E Marshall St,4.19 miles

600 E Marshall St,
West Chester, PA 19380

308 E Lancaster Ave,4.41 miles

308 E Lancaster Ave,
Downingtown, PA 19335

150 E Pennsylvania Ave Ste 1404.53 miles

150 E Pennsylvania Ave Ste 140
Downingtown, PA 19335

510 E Gay Street4.68 miles

510 E Gay Street
West Chester, PA 19382

99 Manor Ave Ste 24.84 miles

99 Manor Ave Ste 2
Downingtown, PA 19335

15 Industrial Blvd Ste, Suite A-1016.47 miles

15 Industrial Blvd Ste, Suite A-101
Paoli, PA 19301

1502 W Chester Pike,6.60 miles

1502 W Chester Pike,
West Chester, PA 19382

11 Industrial Blvd6.63 miles

11 Industrial Blvd
Paoli, PA 19301

3301 E Lincoln Hwy,7.73 miles

3301 E Lincoln Hwy,
Thorndale, PA 19372

1235 Horseshoe Pike,7.84 miles

1235 Horseshoe Pike,
Downingtown, PA 19335

Phoenixville Plaza, 700 Nutt Road Unit 7358.54 miles

Phoenixville Plaza, 700 Nutt Road Unit 735
Phoenixville, PA 19460

450 Cresson Blvd, Suite 3, Oaks Corporate Center8.97 miles

450 Cresson Blvd, Suite 3, Oaks Corporate Center
Phoenixville, PA 19460

201 Reeceville Rd9.07 miles

201 Reeceville Rd
Coatesville, PA 19320

1001 Chesterbrook Blvd9.50 miles

1001 Chesterbrook Blvd
Berwyn, PA 19312

407 W Lincoln Hwy Ste 10910.83 miles

407 W Lincoln Hwy Ste 109
Exton, PA 19341

736 Baltimore Pike, Suite 911.18 miles

736 Baltimore Pike, Suite 9
Concordville, PA 19331

244 W Lincoln Hwy11.58 miles

244 W Lincoln Hwy
Coatesville, PA 19320

School House Rd & Route 1, 132 Onix Drive12.11 miles

School House Rd & Route 1, 132 Onix Drive
Kennett Square, PA 19348

3574 West Chester Pike,12.15 miles

3574 West Chester Pike,
Newtown Square, PA 19073

1167a W Baltimore Pike,12.56 miles

1167a W Baltimore Pike,
Media, PA 19063

Limerick Square, 70 Buckwalter Road12.71 miles

Limerick Square, 70 Buckwalter Road
Royersford, PA 19468

250 King Of Prussia Rd12.80 miles

250 King Of Prussia Rd
Radnor, PA 19087

78 2nd Ave13.90 miles

78 2nd Ave
Collegeville, PA 19426

45 S Pine St13.99 miles

45 S Pine St
Elverson, PA 19520

Drug Testing Near Me

Searching for convenient drug testing near me in Exton, PA? Accredited Drug Testing, Inc. has a remarkable presence nationwide with over 20,000 locations, providing same-day drug and alcohol testing. Whether it's for a DOT-regulated test, legal obligations like court-ordered screenings, pre-employment drug tests, or simply a personal check-up, our process is swift, ensures privacy, and maintains confidentiality. Our certified collection sites and labs guarantee precise results adhering to all federal and state compliance standards. Contact us at (800) 221-4291 or book online anytime to find a suitable drug testing center near you. Prioritize safety, legality, and tranquility with Accredited Drug Testing, where results are reliably timely and trustworthy.

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, extensively utilized across the United States, including in Exton, PA. Particularly endorsed for DOT-compliant testing in line with the 49 CFR Part 40, this test detects recent substance intake through the examination of urine samples for drugs, metabolites, or alcohol markers with uniform standards and confidentiality, ensuring the delivery of credible results for employers, personal use, or legal obligations.

Testing Methods & Collection Process

1. Donor Identity Verification

The process commences with the donor presenting valid government identification and fulfilling the necessary chain-of-custody documentation before initiating the test.

2. Secure Collection Environment

Collection of urine samples occurs in a controlled restroom setting to eliminate the risk of tampering, with personal items and water source access typically restricted, including dyed toilet water to avert adulteration.

3. Chain of Custody Documentation

The sample's journey is documented with a Chain of Custody Form (CCF), a federally recognized instrument that fortifies the integrity and defensibility of the entire testing process from collection through to laboratory analysis.

4. Temperature & Validity Checks

To ensure authenticity, the sample's temperature and appearance are checked immediately after collection. The lab further confirms validity through evaluations like creatinine levels, pH, specific gravity, and adulterant tests.

5. DOT Split Specimen

For DOT assessments, each urine sample is bifurcated into two vials: Bottle A undergoes initial testing, while Bottle B is available for further analysis if there is any dispute over the results. Non-DOT procedures typically collect a singular vial.

6. Laboratory Screening & Confirmation

  • Initial Immunoassay Screen:  Detects various drug classes.
  • Confirmation Testing:  Through advanced GC/MS or LC/MS processes, specific drugs and their metabolites are identified with scientific accuracy.

7. MRO Verification

A certified Medical Review Officer (MRO) appraises non-negative results, validating their accuracy and consulting with the donor regarding potential medical justifications prior to the release of final results.

How Long Do Urine Test Results Take?

  • Instant Urine Test: Negative results immediately; positive samples are sent to a lab for confirmation taking 24-72 hours.
  • Lab-Based Urine Test: Typically 24-48 hours for negative outcomes.
  • DOT Drug Test: Completion spans 1-3 business days factoring in MRO review and ensuring donor communication.
  • Urine EtG Alcohol Test: Generally results are available within 24-48 hours.

Extra time may be required for scenarios involving shy bladders, invalid samples, or necessitated confirmations, whether lab-based or via donor contact.

Benefits of Urine Drug & Alcohol Testing

  • Currently the exclusive DOT recognized method for regulatory compliance.
  • Effectively unveils recent usage, beneficial for workplace and incident-related circumstances.
  • A cost-effective solution with rapid turnaround times.
  • Credibly accepted by judicial, employment, and governmental institutions.
  • Offers immediate testing alternatives for swift evaluation.
  • Ensures high accuracy via GC/MS or LC/MS confirmation protocols.

Limitations of Urine Drug & Alcohol Testing

  • Limited detection window (typically spanning 1-7 days for most substances).
  • Potential variability in outcomes if tampering countermeasures falter.
  • Ineffective in inspecting prolonged or historical consumption patterns.
  • Necessitates restroom access in conjunction with specific collection protocols.
  • Lacks efficacy in alcohol screening without specialized EtG/EtS assays.

Despite its constraints, urine testing retains preeminence as the pragmatic, prevalent method for conducting comprehensive substance screenings across the nation.

How Hair Drug Testing Works

Hair drug and alcohol testing presents a superior method for assessing sustained substance use patterns. While urine tests capture recent consumption, hair testing extends a 90-day observation window by investigating drug metabolites entrenched in the hair's makeup. This makes hair testing particularly suited for workplace mandates, legal inquiries, guardianship assessments, and other circumstances demanding a comprehensive view of an individual's substance usage over an extended period in places like Exton, PA.

Testing Procedure & Methodology

1. Verifying Identity of Donors

Donors must supply valid identification with chain-of-custody forms completed to validate documentation before proceeding.

2. Hair Sampling Techniques

A collector acquires a minor hair sample, about 100-120 strands, closest to the scalp. This normally involves the head's crown, although alternative sources like body hair can be used if necessary. The process, though observed, is quick and painless.

3. Chain of Custody Documentation

The Hair Drug Test Custody and Control Form chronicles the collection, sealing, and transport of the hair sample to assure legal and result protection.

Laboratory Preparation & Analysis

At labs, the hair sample undergoes forensic stages:

The sample then meets rigorous lab scrutiny:

5. Metabolite Capture

During hair growth, drug metabolites are encased, providing enduring substance use records. This internal embedding means adulteration or manipulation is exceptionally challenging.

6. Medical Review Officer Appraisal

An MRO evaluates non-negative findings for precision, examines medical justifications, and finalizes official outcomes.

Timeline for Hair Test Results

Despite an extended turnaround time when juxtaposed with urine tests, hair testing yields unmatched detection reliability.

Benefits of Hair Drug & Alcohol Testing

Despite certain constraints, hair testing offers longevity and precision, becoming a trusted method for professionals, legal analysts, and individuals in search of consistent, tamper-proof results.

Alcohol & Drug Testing-How Each Method Works

Within Exton, PA and throughout the U.S., Accredited Drug Testing excels in delivering a comprehensive spectrum of drug and alcohol detection services. Geared for various needs - be it an employer mandate, DOT obligations, legal compliance, or individual interests - our testing options ensure optimal selection, precision, and regulatory alignment. Backed by a vast network, accredited laboratories, and professional Medical Review Officers, we commit to exemplary service standards and trustworthy outcomes.

Alcohol Urine Drug Test

An economical and efficient choice, the alcohol urine test swiftly detects recent ingestion by finding ethanol metabolites, aiding workplace and court applications especially in post-incident settings. It is, however, limited to revealing past consumption rather than current impairment levels.

ETG Alcohol Test (Urine)

Highly faculty, the EtG urine test proficiently identifies alcohol intake within an 80-hour window, supporting legal bodies, rehab centers, and compliance verifications, with its prominent accuracy and extended detection period.

Breath Alcohol Test

Utilizing DOT-authorized equipment, a breath alcohol test delivers immediate, legally defensible results that measure current intoxication levels, highly relied upon in employment, post-incident reviews, and reasonable suspicion evaluations.

Blood Alcohol Test

For precise impairment determination, a blood alcohol test gauges ethanol presence directly within the bloodstream. Its accuracy is paramount in medical and juridical circles, especially within DUI assessments and urgent medical interventions.

PEth Alcohol Blood Test

Through detailed analysis, a PEth blood test reveals alcohol use patterns up to 2-3 weeks prior by detecting specific biomarkers, essential for long-term viewing, particularly beneficial in family law, supervision, or sensitive industry roles.

ETG Alcohol Test (Hair)

With a foresight tracing back 90 days, the EtG hair test permits identification of repeated or prolonged alcohol use rather than isolated events, proving crucial in legal and custodial matters.

Accredited Drug Testing's assured and streamlined procedures, coupled with its nationally sanctioned laboratories, support a thorough, informed, and regulation-compliant test delivery process, securing pertinent updates and peace of mind for consumers and entities alike.


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

Great experience

Great experience and great lab. Customer service agent was very helpful.

Jenna Bee - 2/19/2025

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

ADT is truly the best

Where do I start?!! ADT is truly the best!! I had the pleasure of speaking with Tori today! She was excellent, professional and truly went above and beyond in her kind, compassionate care and commitment to providing me with the best service possible. I was in such a time crunch, but I was able to call, order the test, pay for it over the phone and get the test I needed within the hour. Not only did this put my mind at ease, they saved my job!! I am forever grateful for this team of hard workers, that care, with such great work ethics! Thank you from the very bottom of my heart!!! If you need a drug, alcohol, etc… screening, this team will be your lifesavers!!

Sarah Patterson - 4/8/2025

Super helpful and courteous

I've had to use this service twice for out of state physicians we've hired and both times it was super easy. Both customer service reps I spoke with were super helpful and courteous. I won't hesitate to use their service again if needed.

Alicia Rau - 6/19/2024

Everything was great

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

Olga Petrova - 9/19/2024


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(800) 221-4291