Drug Test Services - Merced, CA

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

With 32 testing centers in the Merced 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.

32 Drug Test Service Centers in Merced

Minutes Away, Test Today

510 W Main St Ste E

0.07 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
510 W Main St Ste E
Merced, CA 95340

3070 M St Ste 11

1.17 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3070 M St Ste 11
Merced, CA 95348

374 W Olive Ave Ste A

1.25 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-11:30 AM & 1:00 PM-5:00 PM✓ Walk-in with Electronic Donor Pass
374 W Olive Ave Ste A
Merced, CA 95348

394 E Yosemite Ave

2.27 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
394 E Yosemite Ave
Merced, CA 95340

333 Mercy Ave

2.87 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
333 Mercy Ave
Merced, CA 95340

3605 Hospital Rd Ste H

6.69 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3605 Hospital Rd Ste H
Atwater, CA 95301

2000 Paulson Rd

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

1801 Colorado Ave Ste 130

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

1048 Geer Rd

24.40 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

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

285 Mercey Springs Rd Ste A

25.39 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
285 Mercey Springs Rd Ste A
Los Banos, CA 93635

808 Iowa Ave

26.51 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
808 Iowa Ave
Los Banos, CA 93635

730 W I St,

26.63 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
730 W I St,
Los Banos, CA 93635

1248 Main St,

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

5189 Hospital Rd

30.99 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5189 Hospital Rd
Mariposa, CA 95338

1250 E Almond Ave Po Box 1328

31.18 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1250 E Almond Ave Po Box 1328
Madera, CA 93637

2370 W Cleveland Ave

31.50 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2370 W Cleveland Ave
Madera, CA 93637

2339 W Cleveland Ave Ste 103

31.51 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2339 W Cleveland Ave Ste 103
Madera, CA 93637

1340 Mitchell Rd

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

344 W 6th St

33.19 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
344 W 6th St
Madera, CA 93637

509 S I St Ste A

33.39 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-6:00 PM✓ Walk-in with Electronic Donor Pass
509 S I St Ste A
Madera, CA 93637

363 East Almond Avenue, Suite 107

34.18 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
363 East Almond Avenue, Suite 107
Madera, CA 93637

400 12th St Ste 23

36.20 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

36.24 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

600 Coffee Rd

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

1700 Coffee Rd

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

801 E St

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

1524 Mchenry Ave Ste 500

37.60 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 120,

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

1524 Mchenry Ave Ste 160

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

1441 Florida Ave

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

1390 W H St Ste C

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

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, a conventional method used to detect illicit drugs and prescriptions, remains a critical tool in safety and compliance programs. Utilizing enzyme immunoassay screening and gas chromatography/mass spectrometry confirmation, it provides reliable data for informed decision-making. Learn More

Purpose of Urine Drug Testing

  • Ensure Workplace Safety
  • Enhance Compliance with Regulations
  • Monitor Substance Abuse Treatment
  • Post-Accident Investigation
  • Pre-Employment Screening
  • Random Testing in Safety-Sensitive Positions

What Drugs Can Be Detected

  • Marijuana
  • Cocaine
  • Opiates
  • Amphetamines
  • Benzodiazepines
  • Barbiturates

By providing detailed insights into an individual’s drug use, urine drug testing in Merced, California serves as a vital instrument in promoting healthier and safer communities.

Order Your Test Online

Alcohol Test Services

Alcohol testing in , CO is a critical process for identifying alcohol consumption levels in individuals. This testing typically uses breath, saliva, urine, or blood sampling techniques to measure blood alcohol concentration (BAC). Ensuring safety and compliance, alcohol tests support various requirements.

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Alcohol Testing is used in many settings

  • Workplace sobriety enforcement
  • Legal and probation evaluation
  • Sports compliance
  • Personal health assessments
  • Transport and aviation industry checks
  • Rehabilitation programs

Common Methods of Alcohol Testing

  • Breathalyzer tests
  • Blood tests
  • Urine tests
  • Saliva tests
  • Portable electronic devices

Breathalyzer tests - Used for on-the-spot BAC checks, often by law enforcement.

Blood tests - Provide precise measurements of BAC, often used in medical settings.

Urine tests - Detect alcohol use but are less precise for current impairment.

Saliva tests - Quick results and are non-invasive, suitable for workplace testing.

Portable electronic devices - Often used for personal or preliminary screening.

Order Your Test Online

Hair Follicle Drug Testing Services

Hair follicle drug testing captures drug use over an extended period by analyzing hair samples and is less intrusive than other methods. It can identify repeated substance use, providing a comprehensive view of an individual’s drug history. Hair testing is reliable and difficult to tamper with. Learn More

Why Use Hair Drug Testing?

  • Long Detection Window
  • Non-Invasive Collection Method
  • Reliable Results
  • Unalterable
  • Effective for Chronic Use Detection

What Drugs Can Be Detected

  • Marijuana
  • Cocaine
  • Methamphetamines
  • Opiates
  • PCP
  • Ecstasy (MDMA)

Through hair follicle testing, employers, legal authorities, and families in Merced, California can achieve an in-depth understanding of drug use, reinforcing prevention and compliance measures statewide.

Order Your Test Online

DOT Drug Testing Services

DOT drug testing in Merced, California adheres to federal guidelines for employees in safety-sensitive roles, ensuring workplace safety by testing for specific substances.

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Who is Required to Take DOT Drug Tests?

  • Commercial drivers
  • Maritime employees
  • Pipeline workers
  • Aviation staff
  • Railroad personnel
  • Public transport workers

What Drugs Are Tested For

  • Marijuana
  • Cocaine
  • Opioids
  • Phencyclidine (PCP)
  • Amphetamines

Merced, California's DOT drug testing is crucial for maintaining transportation safety and regulatory compliance, ensuring a safer community environment.

Order Your Test Online

Probation Drug Testing Services

Probation drug testing is a pivotal element of community supervision programs, aiming to monitor compliance with legal conditions. Regular testing deters substance abuse and helps probation officers maintain effective oversight of individuals on probation.

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Why Are Probation Drug Test Services Available?

  • Compliance monitoring: Ensures adherence to probation conditions
  • Behavioral interventions: Aids in rehabilitation efforts
  • Risk assessment: Helps identify substance abuse issues
  • Public safety: Reduces the risk of reoffending
  • Court accountability: Supports judicial decision-making

Testing Methods

  • Urine tests: Non-invasive and standard for recent use detection
  • Hair follicle tests: Provides a long-term usage history
  • Saliva tests: Quick and easy for recent use
  • Blood tests: Precise and typically used in specific cases

In Merced, California, probation drug testing services ensure individuals adhere to their legal obligations while supporting successful rehabilitation.

Order Your Test Online

Court Ordered Drug Testing Services

Court ordered drug testing is mandated by judicial bodies as a condition of legal proceedings or probation requirements. It's often crucial for individuals undergoing legal battles or custody issues, holding people accountable to drug policy compliance in Merced, California.

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Why are Court Ordered Drug Test Services Available?

  • Legal compliance
  • Custody evaluations
  • Probation requirements
  • Rehabilitation monitoring
  • Social service interventions

Court Ordered Test Methods

  • Urine tests: Quick and non-invasive.
  • Hair follicle tests: Long-term use detection.
  • Saliva tests: Immediate reporting benefits.
  • Blood tests: Comprehensive analysis capabilities.
  • Nail tests: Detects drug use over months.

Merced, California's court-ordered drug testing ensures justice and safety within the community, providing reliable information for decision-making in legal contexts.

Order Your Test Online

Fingernail Drug Testing Services

Fingernail drug testing involves analyzing keratin-rich nail samples for drug metabolites, providing a months-long detection window. This method is gaining popularity in Merced, California for its non-invasiveness and ability to verify long-term substance exposure across various legal, personal, and occupational contexts.

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What is the Detection Window for Fingernail Drug Tests

  • Fingernails: More common, typically provides a 6-month detection window for drug use.
  • Toenails: Often extends detection up to 12 months due to slower growth.

What Drugs Can Be Detected

  • Marijuana
  • Cocaine
  • Methamphetamine
  • Opiates
  • PCP

Advantages over other methods

  • Long detection period
  • Difficult to adulterate
  • Simple collection process
  • Non-invasive and painless
  • Extensive drug panel options

Fingernail drug testing in NH is an effective option for ensuring thorough and reliable drug use assessments, particularly in legal or occupational contexts.

Order Your Test Online

Occupational Health Test Services

Occupational health testing in Merced, California encompasses a variety of assessments aimed at promoting workplace safety and employee well-being. From pre-employment screenings to regular health checks, these tests ensure that employees are fit for duty, contributing to a safer and more productive work environment.

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Purpose of Occupational Health Testing

  • Ensure workplace safety
  • Monitor employee health
  • Identify potential health risks
  • Promote productivity
  • Meet regulatory compliance

Common Types of Occupational Health Tests

  • Fitness for duty exams: Assess capability to perform job tasks
  • Respirator Fit Testing: Ensure proper mask fit for safety
  • Pulmonary Function Tests (PFT's): Evaluate lung function
  • Tuberculosis (TB): Screening for infection
  • Vision: Check eyesight for specific roles
  • Audiometric: Hearing tests to protect against occupational hearing loss

Occupational health testing in Merced, California plays a critical role in fostering a healthy and safe work environment, underpinning both productivity and compliance across industries.

Order Your Test Online

Drug Statistics for Merced, California

Drug-related statistics for Merced, California, highlight some critical issues facing the community. Recent data indicates that Merced County has seen a slight increase in opioid-related overdoses over the past few years.

  • The county recorded approximately 100 opioid-related overdoses in the last reported year, which reflects broader state and national trends.
  • Additionally, marijuana remains the most commonly detected substance in local drug tests, consistent with regional usage patterns particularly since legalization for recreational use in California.
  • Youth substance abuse remains a concern, with community programs continuously working to address these issues through education and prevention initiatives.

These statistics underscore the importance of effective drug awareness and intervention programs to support and improve public health in Merced.

Drug Testing Regulations in California

Employer drug testing in Merced 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 Merced

Mcswain • Planada • Winton • El Nido • Livingston • Snelling • Ballico • Chowchilla

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

Merced Drug Testing

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

Merced DOT Drug Testing

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

Merced DNA Testing

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

Merced Industry Training

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

Merced Hair Drug Testing

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

Merced Alcohol Testing

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

Merced Drug Testing Services

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

Merced 5 Panel Drug Test

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

Merced 10 Panel Drug Test

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

Merced On Site Drug Testing

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

Merced DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Merced, 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 Merced area, offering urine, hair follicle, breath alcohol, and DOT testing.
While walk-ins are welcome with an electronic donor pass at collection sites across Merced, 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

Very Fun and Easy

Trish last week and Tatiana this week, very fun and easy folks to deal with. Well be using them more and more in the future.

Tom O - 12/19/2024

Everything was great

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

Olga Petrova - 9/19/2024

Extremely polite

They were very fast extremely polite walked you through every detail of the process if you had any questions they had no problems answering

Billy Williams - 2/19/2025


(800) 221-4291