Drug Test Services - Westley, CA

Urine | Hair | DOT | Oral Fluid | Alcohol/ETG | Occupational Health

With 38 testing centers in the Westley area, we offer drug and alcohol testing for employment, probation and DOT requirements. Additional services include DOT consortium enrollment, DNA Testing and background checks. Order your tests and services online or call (800) 221-4291.

38 Drug Test Service Centers in Westley

Minutes Away, Test Today

1700 Keystone Pacific Pkwy

5.43 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1700 Keystone Pacific Pkwy
Patterson, CA 95363

801 E St

6.74 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
801 E St
Patterson, CA 95363

1064 Woodland Ave Ste F

12.01 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1064 Woodland Ave Ste F
Modesto, CA 95351

3125 Conant Ave

12.76 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3125 Conant Ave
Modesto, CA 95350

400 12th St Ste 23

12.85 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
400 12th St Ste 23
Modesto, CA 95354

400 12th St Suite 23

12.86 mi
🕑 Testing Hours: Mon–Fri: 9:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
400 12th St Suite 23
Modesto, CA 95354

4601 Dale Rd Fl 4

13.57 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4601 Dale Rd Fl 4
Modesto, CA 95356

1441 Florida Ave

13.70 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1441 Florida Ave
Modesto, CA 95350

1541 Florida Ave Ste 102

13.72 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1541 Florida Ave Ste 102
Modesto, CA 95350

1524 Mchenry Ave Ste 500

13.79 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1524 Mchenry Ave Ste 500
Modesto, CA 95350

1524 Mchenry Ave Ste 160

13.87 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1524 Mchenry Ave Ste 160
Modesto, CA 95350

1524 Mchenry Ave. Ste 120,

13.87 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1524 Mchenry Ave. Ste 120,
Modesto, CA 95350

2112 Mchenry Ave

14.14 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2112 Mchenry Ave
Modesto, CA 95350

600 Coffee Rd

14.18 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
600 Coffee Rd
Modesto, CA 95355

1550 Colony Rd Ste B

14.51 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1550 Colony Rd Ste B
Ripon, CA 95366

1700 Coffee Rd

14.75 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1700 Coffee Rd
Modesto, CA 95355

1340 Mitchell Rd

14.91 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
1340 Mitchell Rd
Modesto, CA 95351

1140 Norman Dr, Ste 2

16.90 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1140 Norman Dr, Ste 2
Manteca, CA 95336

1341 Historical Plaza Way

17.01 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1341 Historical Plaza Way
Manteca, CA 95336

965 E Yosemite Ave Ste 9

17.15 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
965 E Yosemite Ave Ste 9
Manteca, CA 95336

1779 W Yosemite Ave Fl 202

17.33 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1779 W Yosemite Ave Fl 202
Manteca, CA 95337

1205 E North St

17.40 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1205 E North St
Manteca, CA 95336

901 Darcy Pkwy

18.22 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
901 Darcy Pkwy
Lathrop, CA 95330

632 West 11th Street, Suite 115

18.39 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
632 West 11th Street, Suite 115
Tracy, CA 95376

644 W 12th St

18.51 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
644 W 12th St
Tracy, CA 95376

1248 Main St,

18.78 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1248 Main St,
Newman, CA 95360

1048 Geer Rd

19.47 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1048 Geer Rd
Turlock, CA 95380

911 E Tuolumne Rd

19.90 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
911 E Tuolumne Rd
Turlock, CA 95382

2160 W Grant Line Rd Ste 230

19.93 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2160 W Grant Line Rd Ste 230
Tracy, CA 95377

1801 Colorado Ave Ste 130

20.11 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1801 Colorado Ave Ste 130
Turlock, CA 95382

2000 Paulson Rd

20.79 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2000 Paulson Rd
Turlock, CA 95380

1390 W H St Ste C

23.45 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1390 W H St Ste C
Oakdale, CA 95361

3663 Arch Rd Ste 400

24.61 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3663 Arch Rd Ste 400
Stockton, CA 95215

1429 W Fremont St

28.66 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1429 W Fremont St
Stockton, CA 95203

1800 N California St

29.52 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1800 N California St
Stockton, CA 95204

1805 N California St Ste 303

29.52 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1805 N California St Ste 303
Stockton, CA 95204

5570 Stockton Loop

30.05 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5570 Stockton Loop
Livermore, CA 94550

2291 W March Lane, Suite 145 F

31.16 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2291 W March Lane, Suite 145 F
Stockton, CA 95207

Employers | Individuals | Families

Accredited Drug Testing provides comprehensive drug and alcohol testing services to promote workplace safety, meet compliance requirements, and support legal or personal needs for testing. Drug Testing helps prevent accidents, ensures a drug-free workplace,and meets Federal mandates such as those outlined by the Department of Transportation (DOT)

Drug Testing Services

Customized Testing Options Available | Discounts available for Bulk Purchases | Onsite Drug Testing Services

Urine Drug Testing Services

Urine drug testing is a common method used to detect the presence of drugs in an individual’s system. It involves analyzing a urine sample to identify specific substances.

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Purpose of Urine Drug Testing

  • Workplace safety
  • School compliance
  • Rehabilitation monitoring
  • Legal requirements
  • Sports organizations

What Drugs Can Be Detected

  • Marijuana
  • Cocaine
  • Opiates
  • Amphetamines
  • Benzodiazepines

In DC, urine drug testing is essential for maintaining safety and compliance across various sectors. With its non-invasive nature and quick results, it remains a preferred choice for employers, schools, and legal institutions.

Order Your Test Online

Alcohol Test Services

Alcohol testing in , Westley, California is essential to determine if an individual has consumed alcohol recently. The tests are typically used in workplace environments, legal situations, and for medical evaluations. By measuring the alcohol level, organizations can ensure compliance and safety.

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Alcohol Testing is used in many settings

  • Workplace safety programs
  • DOT compliance
  • Legal assessments
  • Rehabilitation monitoring
  • Medical evaluations
  • Accident investigations

Common Methods of Alcohol Testing

  • Breathalyzer
  • Blood tests
  • Saliva tests
  • Urine tests
  • Hair tests

Breathalyzer - Detects alcohol in breath for immediate results.

Blood tests - Provides precise measurements of alcohol concentration.

Saliva tests - Quick and non-invasive way to detect alcohol.

Urine tests - Used primarily for screening purposes.

Hair tests - Determines alcohol use over a longer period.

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Hair Follicle Drug Testing Services

Hair follicle drug testing in Westley, California is an advanced method that analyzes a small sample of hair to detect the use of drugs over a longer period. This test is often used when a long detection window is needed and can provide up to 90 days of drug use history.

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Why Use Hair Drug Testing?

  • Extended detection window
  • Non-invasive and easy collection
  • Difficult to cheat
  • Provides detailed drug use history
  • Accepted by courts and employers

What Drugs Can Be Detected

  • Cocaine
  • Marijuana
  • Opiates
  • Amphetamines
  • PCP

In Westley, California, hair follicle drug testing is a trusted way to ensure comprehensive monitoring and adherence to drug policies. Its reliable results support numerous industries and judicial requirements.

Order Your Test Online

DOT Drug Testing Services

DOT drug testing in Westley, California is a strict program for safety-sensitive employees in regulated industries, mandated by the Department of Transportation to ensure public and workplace safety.

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Who is Required to Take DOT Drug Tests?

  • Commercial drivers
  • Pipeline operators
  • Airline staff
  • Maritime workers
  • Transit employees
  • Railroad staff

What Drugs Are Tested For

  • Marijuana
  • Cocaine
  • Amphetamines
  • Opiates
  • PCP

DOT drug testing in Westley, California emphasizes safety and compliance, maintaining high standards across transportation sectors.

Order Your Test Online

Probation Drug Testing Services

Probation drug testing in , Westley, California serves as a monitoring tool for individuals on probation. By ensuring compliance with legal requirements, these tests play a vital role in rehabilitation and accountability, helping probation officers enforce conditions of release and assist individuals in overcoming substance dependencies.

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Why Are Probation Drug Test Services Available?

  • Accountability: Ensures adherence to probation terms.
  • Rehabilitation: Encourages healthier lifestyle choices.
  • Safety: Protects the community and individuals.
  • Support: Guides through recovery challenges.
  • Compliance: Meets court-ordered conditions.
  • Intervention: Allows timely identification of issues.

Testing Methods

  • Urine tests: Common for quick results.
  • Hair follicle tests: Long-term detection window.
  • Saliva tests: Recent use detection.
  • Blood tests: Highly accurate analysis.

Probation drug testing in Westley, California is a crucial component of the criminal justice system, focusing on rehabilitation and community safety. It aids in monitoring compliance and encourages individuals toward positive changes.

Order Your Test Online

Court Ordered Drug Testing Services

Court ordered drug testing in Westley, California is a crucial aspect of the judicial system used to verify compliance with court mandates. This type of testing determines whether individuals adhere to conditions imposed by court orders. Accuracy and regularity in testing play essential roles in decisions regarding legal and rehabilitation matters.

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Why are Court Ordered Drug Test Services Available?

  • Ensure adherence to court orders
  • Protect public safety
  • Monitor rehabilitation progress
  • Verify compliance with legal conditions
  • Prevent recidivism

Court Ordered Test Methods

  • Urine tests: Quick and cost-effective.
  • Hair follicle tests: Detects long-term drug use.
  • Saliva tests: Short window for recent use.
  • Blood tests: Accurate, provides current usage data.
  • Nail tests: Long detection window, difficult to alter.

In conclusion, court ordered drug testing in Westley, California provides essential data crucial for ensuring compliance with legal conditions, protecting the public, and aiding the rehabilitation process.

Order Your Test Online

Fingernail Drug Testing Services

Fingernail drug testing assesses drug use by analyzing clippings, effective for long-term substance identification. Fingernails and toenails capture keratin, harboring drug metabolites over an extended period, offering accurate drug use history.

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What is the Detection Window for Fingernail Drug Tests

  • Fingernails: 3-6 months detection period, depending on growth
  • Toenails: Longer detection period due to slower growth

What Drugs Can Be Detected

  • Cocaine
  • Opiates
  • Methamphetamines
  • Marijuana
  • Barbiturates

Advantages over other methods

  • Extended detection period
  • Less invasive than blood tests
  • Difficult to adulterate
  • Effective for historical use identification
  • Used in forensic analysis

In Westley, California, fingernail drug testing enhances drug detection processes, supporting both legal and employment settings with reliable and comprehensive results.

Order Your Test Online

Occupational Health Test Services

Occupational health testing in Westley, California involves assessing employees' health and wellbeing in relation to their work environment. It is crucial for ensuring workplace safety and compliance with regulations.

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Purpose of Occupational Health Testing

  • Ensuring employee safety
  • Preventing workplace accidents
  • Meeting regulatory compliance
  • Promoting overall health
  • Optimizing productivity
  • Identifying health risks early

Common Types of Occupational Health Tests

  • Fitness for duty exams: Determines if employees can safely perform their jobs.
  • Respirator Fit Testing: Ensures proper safety gear fit.
  • Pulmonary Function Tests (PFT's): Assesses lung function for specific roles.
  • Tuberculosis (TB): Screens contagious diseases in the workplace.
  • Vision: Ensures employees meet vision requirements for tasks.
  • Audiometric: Evaluates hearing for noise-exposed workers.

In Westley, California, occupational health testing is integral for maintaining a safe and compliant work environment, benefiting both employers and employees through proactive health monitoring.

Order Your Test Online

Drug Statistics for Westley, California

General Drug-Related Statistics for Westley, California:

  • Stanislaus County, which includes Westley, has seen a mixed range of drug use patterns similar to other regions in California, but specific statistics for Westley are limited due to its size.
  • Efforts to curb substance abuse through community programs and stricter regulations are ongoing, aiming to reduce incidents and improve public health outcomes.
  • The availability of drug testing services in Westley supports the community's initiative to address substance-related challenges by providing accurate and timely data on drug use trends.

Drug Testing Regulations in California

Employer drug testing in Westley must comply with state guidelines under Cal. Lab. Code § 1025 et seq.. California AB 2188 requires non-psychoactive cannabis metabolite protections while retaining full employer rights for pre-employment, post-accident, and safety-sensitive testing.

Medical Marijuana Status: Legal  |  Recreational Marijuana Status: Legal

Surrounding Areas Served Near Westley

Westport • Riverdale Park • Bret Harte • Diablo Grande • Rouse • Shackelford • Salida • Modesto

Drug & Alcohol Test Selection & Panel Comparison

Test Type / Panel Detection Window Common Applications Turnaround Time
5-Panel Urine Screen 1 to 5 Days Standard Pre-Employment, Random & Workplace Testing 24 to 48 Hours
10-Panel Urine Screen 1 to 7 Days Expanded Employment, Healthcare & Probation 24 to 48 Hours
Hair Follicle Drug Test Up to 90 Days Long-Term Monitoring, Court-Ordered & Custody 3 to 5 Business Days
Oral Fluid / Saliva Screen 1 to 48 Hours Immediate Recent-Use Screening & On-Site Testing 24 to 48 Hours
ETG Alcohol Testing Up to 80 Hours Court-Ordered Alcohol Abstinence & Probation Monitoring 24 to 48 Hours

Westley Drug Testing

Quickly find trusted local drug testing centers in Westley, CA — fast, convenient, and reliable every time!

Westley DOT Drug Testing

Quickly find a local DOT drug testing center in Westley, CA — fast, reliable, convenient nationwide service!

Westley DNA Testing

DNA testing for legal and non-legal purposes including child support, and child custody around Westley, CA.

Westley Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in Westley, CA.v

Westley Hair Drug Testing

Get fast, accurate hair drug testing at our convenient Westley, CA locations—results you can trust, every time!

Westley Alcohol Testing

Fast, reliable alcohol testing to keep your workplace safe and compliant every single day in Westley, CA.

Westley Drug Testing Services

Reliable nationwide drug testing services ensuring accuracy, compliance, and quick results for businesses and individuals in Westley, CA.

Westley 5 Panel Drug Test

Accurate 5 panel drug testing with fast, confidential results—trusted by Westley, CA employers and individuals nationwide.

Westley 10 Panel Drug Test

Comprehensive 10 panel drug testing with fast, reliable results—trusted for Westley, CA workplace and personal testing needs.

Westley On Site Drug Testing

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

Westley DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Westley, CA 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.


Frequently Asked Questions

In California, workplace drug testing is governed by statutory guidelines under Cal. Lab. Code § 1025 et seq.. Private employers generally operate under a Labor Code § 1025 and AB 2188 guidelines, permitting pre-employment, random, post-accident, and reasonable suspicion testing.
Yes. Employers in California who implement a certified Drug-Free Workplace Program in compliance with Cal. Lab. Code § 1025 et seq. can qualify for insurance premium discounts and enhanced legal protections during workers' compensation claims.
Under California state law compliance standards, state statutes prohibits adverse action for off-duty non-psychoactive cannabis use. Safety-sensitive positions, DOT-regulated roles, and federal contract compliance remain strictly zero-tolerance across all jurisdictions.
Accredited Drug Testing provides access to 0 certified collection sites in the Westley area, offering urine, hair follicle, breath alcohol, and DOT testing.
While walk-ins are welcome with an electronic donor pass at collection sites across Westley, registering your test online or calling (800) 221-4291 prior to visiting guarantees rapid priority specimen collection with an instant barcode pass.
Negative drug and alcohol test results are typically released within 24 to 48 hours of specimen processing. Any non-negative screenings undergo confirmatory GC/MS or LC/MS testing and licensed Medical Review Officer (MRO) verification within 3 to 5 business days.

Customer Reviews

Thank You!!

I needed a quick drug test for visitation with my children. I called at 6am they answered and set me up with a place a couple miles from my house to go get the test done, that was on Wednesday, I had the results on Friday afternoon and was able to see my kids on Saturday. Thank you for the help!

Mark Broadhead - 2/12/2025

Explained everything so no questions

Torin was great. Explained everything so no questions

Tony Lombardo - 4/18/2025

Great service

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

Jesse Dupre - 4/12/2025

Very helpful

They were very helpful in finding a place to get tested on the route back home! They made a difficult time seem easy with no judgement!

Anne Creden - 11/19/2024

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

Extremely pleasant

Initially Torrie helped me but I needed to call back. When I called back Kayla stepped in and finished my order. Both were extremely pleasant over the phone and provided wonderful customer service. Kudos to them!

Brynne Beverly - 4/19/2024

Quick, Polite, Informative

Everyone has been quick to respond, polite, informative. It's been easy to order tests. I would recommend them to anyone to use.

April Rogers - 2/15/2025

Fast and easy

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

Peter Villegas - 1/19/2025

Super Easy to Schedule

Super easy to schedule and get what you need, weather for a job, personal, or court ordered! I believe I spoke with Justine who was helpful in answering all my questions and stayed on the phone with me until she was sure I was all set and got the emails I needed.

Mandy Ryan - 12/14/2024

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


(800) 221-4291