Drug & Alcohol Testing Near Me - Chester, 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

38 Drug-Testing Centers in Chester

Minutes Away, Test Today

510 E Gay Street0.58 miles

510 E Gay Street
West Chester, PA 19382

600 E Marshall St,0.75 miles

600 E Marshall St,
West Chester, PA 19380

606 E Marshall St Ste 1050.82 miles

606 E Marshall St Ste 105
West Chester, PA 19380

915 Old Fern Hill Rd Ste 31.57 miles

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

1502 W Chester Pike,4.26 miles

1502 W Chester Pike,
West Chester, PA 19382

183 W Lincoln Highway - Unit 8, Whiteland Towne Shopping Cente5.05 miles

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

308 E Lancaster Ave,5.81 miles

308 E Lancaster Ave,
Downingtown, PA 19335

150 E Pennsylvania Ave Ste 1405.99 miles

150 E Pennsylvania Ave Ste 140
Downingtown, PA 19335

99 Manor Ave Ste 26.10 miles

99 Manor Ave Ste 2
Downingtown, PA 19335

102 Schubert Dr6.17 miles

102 Schubert Dr
Downingtown, PA 19335

257 W Uwchlan Ave Ste 2206.19 miles

257 W Uwchlan Ave Ste 220
Downingtown, PA 19335

309 Lancaster Avenue,6.29 miles

309 Lancaster Avenue,
Frazer, PA 19355

625 N Pottstown Pike6.39 miles

625 N Pottstown Pike
Exton, PA 19341

736 Baltimore Pike, Suite 96.91 miles

736 Baltimore Pike, Suite 9
Concordville, PA 19331

80 W Welsh Pool Rd Ste 102,6.97 miles

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

80 W Welsh Pool Rd, Ste 205 N6.97 miles

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

80 W Welsh Pool Rd Ste 20057.04 miles

80 W Welsh Pool Rd Ste 2005
Exton, PA 19341

School House Rd & Route 1, 132 Onix Drive8.06 miles

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

15 Industrial Blvd Ste, Suite A-1018.12 miles

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

3301 E Lincoln Hwy,8.33 miles

3301 E Lincoln Hwy,
Thorndale, PA 19372

11 Industrial Blvd8.38 miles

11 Industrial Blvd
Paoli, PA 19301

1167a W Baltimore Pike,9.60 miles

1167a W Baltimore Pike,
Media, PA 19063

1235 Horseshoe Pike,9.96 miles

1235 Horseshoe Pike,
Downingtown, PA 19335

201 Reeceville Rd10.19 miles

201 Reeceville Rd
Coatesville, PA 19320

830 W Cypress St10.49 miles

830 W Cypress St
Kennett Square, PA 19348

3600 Silverside Rd Ste B11.01 miles

3600 Silverside Rd Ste B
Wilmington, DE 19810

3574 West Chester Pike,11.26 miles

3574 West Chester Pike,
Newtown Square, PA 19073

1001 Chesterbrook Blvd11.46 miles

1001 Chesterbrook Blvd
Berwyn, PA 19312

2722 Concord Pike11.50 miles

2722 Concord Pike
Wilmington, DE 19803

244 W Lincoln Hwy11.86 miles

244 W Lincoln Hwy
Coatesville, PA 19320

1403 Foulk Rd Ste 103,11.88 miles

1403 Foulk Rd Ste 103,
Wilmington, DE 19803

2123 Concord Pike12.23 miles

2123 Concord Pike
Wilmington, DE 19803

Phoenixville Plaza, 700 Nutt Road Unit 73512.54 miles

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

450 Cresson Blvd, Suite 3, Oaks Corporate Center12.70 miles

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

2000 Sproul Rd Ste 10213.25 miles

2000 Sproul Rd Ste 102
Broomall, PA 19008

920 W Sproul Rd Ste 11013.70 miles

920 W Sproul Rd Ste 110
Springfield, PA 19064

202 Lantana Dr13.93 miles

202 Lantana Dr
Hockessin, DE 19707

131 S State Rd13.95 miles

131 S State Rd
Springfield, PA 19064

Drug Testing Near Me

Searching for drug testing facilities in your vicinity? Accredited Drug Testing, Inc. stands out as the premier solution across America, offering expeditious drug and alcohol testing services available the same day at more than 20,000 strategically located centers nationwide. Our offerings encompass DOT-compliant screening, judicially mandated assessments, pre-employment drug evaluations, along with testing for individual purposes. Experience a seamless, secure, and private scheduling process with us. Our network of accredited collection sites and laboratories adheres strictly to both federal and state regulations, guaranteeing precision and trustworthiness in our results. Reach us at (800) 221-4291 or you can book online at any hour to locate a nearby drug testing center. In Chester, PA or elsewhere, when it comes to safety, policy adherence, and assurance, rely on Accredited Drug Testing for consistent, punctual delivery of results.

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 Chester, PA 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

Examining Hair Drug & Alcohol Testing in Chester, PA

Hair drug and alcohol testing is renowned for its ability to accurately depict long-term substance use patterns. Unlike urine tests, which highlight recent consumption, hair testing utilizes a 90-day detection window by examining drug metabolites integrated into the hair shaft. This testing method is particularly valuable for workplace evaluations, court hearings, child custody disputes, and situations requiring a historical perspective on substance usage in Chester, PA.

Testing Methods & Collection Process in Detail

Turnaround for Hair Testing Results

Although requiring a greater processing time than urine tests, hair testing provides consistency in detection.

Advantages and Limitations of Hair Drug & Alcohol Testing

Challenges: Doesn't detect drug use within the last 5-7 days, higher cost than urine or oral tests, body hair offers no exact timeframes, varies depending on hair type/growth, and isn't DOT-approved.

Regardless, hair testing is still one of the most dependable detection methods for employers, legal matters, and personal assurance in Chester, PA.

Alcohol & Drug Testing-How Each Method Works

Comprehensive Alcohol and Drug Screening in Chester, PA

Accredited Drug Testing provides a comprehensive array of alcohol and drug testing options tailored to accommodate occupational, DOT, legal, and personal screening demands. Understanding the intricacies of each testing type facilitates precise selection, credible results, and adherence to strict federal and state guidelines. Our extensive network, complemented by certified labs and diverse expertise, ensures precision, reliability, and professionalism, resulting in trustworthy testing results.

Alcohol Urine Drug Test

An alcohol urine test is adept at identifying recent alcohol consumption through detecting ethanol metabolites present in urine. Regularly employed in occupational, judicial, and post-accident scenarios, this method provides a cost-efficient, short detection window for examining recent alcohol usage without measuring current impairment levels.

ETG Alcohol Test (Urine)

The EtG (Ethyl Glucuronide) urine test serves as a sensitive detection tool capable of tracking alcohol usage up to 80 hours post-consumption. Utilizing EtG's status as a direct ethanol derivative, this test gains broad usage across judicial, rehabilitation, and compliance monitoring agencies, offering a prolonged detection frame compared to standard methods.

Breath Alcohol Test

A breath alcohol test evaluates current impairment by assessing alcohol concentration in deep lung air, administered via DOT-endorsed devices (EBTs) for instant, legally sound outcomes, often applied to DOT-regulated personnel alongside workplace and post-incident assessments.

Blood Alcohol Test

The blood alcohol test precisely quantifies ethanol levels within the bloodstream, rendering it a favored method for determining impairment, actively utilized by healthcare facilities, law enforcement, and legal investigations, particularly concerning DUI and other high-stakes scenarios.

PEth Alcohol Blood Test

The PEth (Phosphatidylethanol) blood test identifies chronic or substantial alcohol intake by discerning specific biomarkers in red blood cells, reliable for usage detection up to 2-3 weeks, frequently employed in familial legal matters, monitoring setups, and pre-employment evaluations pertaining to security-sensitive roles.

ETG Alcohol Test (Hair)

The EtG hair test extends a 90-day substance use evaluation by scrutinizing alcohol metabolites entrenched within the hair shaft, detecting patterns of persistent or chronic consumption rather than one-off usage. Predominantly used in judicial, custodial, and long-term oversight arrangements, owing to its stability, precision, and resistance to short-term abstinence.

With proficient guidance, labs of national accreditation, and swift scheduling, Accredited Drug Testing ensures that each alcohol testing approach delivers defendable, unambiguous, and compliant outcomes, assisting individuals and employers to remain fully informed and meet compliance requirements comprehensively.


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

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

Pretty Straightforward

It was a pretty straightforward process getting an appointment and making payment. Getting to the testing site was quick. I was in and out in no time.

Sadiat Ogunyemi - 12/19/2024

Reception is kind and helpful

Reception is kind and helpful , everything quick and simple , best urgent care

Yusuf Narmuradov - 11/19/2024

Great service

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

Jesse Dupre - 4/12/2025

Fast service and friendly staff!

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

Habib Malik - 4/12/2025


Sources


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(800) 221-4291