Drug Test Services - O'fallon, MO

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

With 30 testing centers in the O'fallon 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.

30 Drug Test Service Centers in O'fallon

Minutes Away, Test Today

300 Winding Woods Dr Ste 100

0.57 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
300 Winding Woods Dr Ste 100
O Fallon, MO 63366

2967 Highway K

1.10 mi
🕑 Testing Hours: Mon–Fri: 7:00 AM-6:00 PM • Sat: 8:00 AM-12:00 PM✓ Walk-in with Electronic Donor Pass
2967 Highway K
O Fallon, MO 63368

4 Abington Ct

1.96 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
4 Abington Ct
St. Peters, MO 63376

5551 Winghaven Blvd Ste 100

2.28 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
5551 Winghaven Blvd Ste 100
O Fallon, MO 63368

1901 Trade Center Dr

2.77 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
1901 Trade Center Dr
Saint Peters, MO 63376

1051 Wolfrum Rd

4.97 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1051 Wolfrum Rd
Saint Charles, MO 63304

107 Piper Hill Dr Ste 100 St. Peters Care Center

5.72 mi
🕑 Testing Hours: Mon–Fri: 6:00 AM-12:00 PM • Sat:,Sun: 8:00 AM-6:00 PM✓ Walk-in with Electronic Donor Pass
107 Piper Hill Dr Ste 100 St. Peters Care Center
Saint Peters, MO 63376

300 Saint Peters Centre Blvd Ste 150

6.22 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
300 Saint Peters Centre Blvd Ste 150
St. Peters, MO 63376

205 First Executive Avenue

6.82 mi
🕑 Facility: Mon–Fri: 07:30 AM - 04:30 PM⚡ Drug Screens: Mon–Fri: 08:00 AM - 04:00 PM
205 First Executive Avenue
Saint Peters, MO 63376

1405 Jungermann Rd Ste B

7.08 mi
🕑 Testing Hours: Mon–Fri: 7:00 AM-7:00 PM • Sat: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
1405 Jungermann Rd Ste B
Saint Peters, MO 63376

60 Gailwood Dr Ste B

7.20 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-6:00 PM • Sat: 10:00 AM-3:00 PM • Sun: 10:00 AM-2:00 PM✓ Walk-in with Electronic Donor Pass
60 Gailwood Dr Ste B
Saint Peters, MO 63376

4101 Mexico Rd Ste E,

7.42 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4101 Mexico Rd Ste E,
Saint Peters, MO 63376

251 E Pearce Blvd

7.93 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
251 E Pearce Blvd
Wentzville, MO 63385

1111 W Pearce Blvd

8.65 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM • Sat: 8:00 AM-12:00 PM✓ Walk-in with Electronic Donor Pass
1111 W Pearce Blvd
Wentzville, MO 63385

1201 Wentzville Pkwy Ste 117,

8.84 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1201 Wentzville Pkwy Ste 117,
Wentzville, MO 63385

17838 Chesterfield Airport Rd

8.98 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
17838 Chesterfield Airport Rd
Chesterfield, MO 63005

17300 N Outer 40 Ste 104,

9.51 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-2:30 PM✓ Walk-in with Electronic Donor Pass
17300 N Outer 40 Ste 104,
Chesterfield, MO 63005

801 Medical Dr, Ste 200

9.59 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
801 Medical Dr, Ste 200
Wentzville, MO 63385

2101 Collier Corporate Pkwy

9.76 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2101 Collier Corporate Pkwy
Saint Charles, MO 63303

1794 Zumbehl Rd

9.85 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
1794 Zumbehl Rd
Saint Charles, MO 63303

30 W Highway D Ste 201

10.52 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
30 W Highway D Ste 201
New Melle, MO 63365

2621 Raymond Dr

10.54 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2621 Raymond Dr
Saint Charles, MO 63301

400 Fountain Lakes Blvd

10.62 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
400 Fountain Lakes Blvd
St Charles, MO 63301

16091 Swingley Ridge Rd Ste 150

11.42 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
16091 Swingley Ridge Rd Ste 150
Chesterfield, MO 63017

50 Monroe St

12.39 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
50 Monroe St
Saint Charles, MO 63301

224 S Woods Mill Rd Ste 360 S Med Bldg

13.11 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
224 S Woods Mill Rd Ste 360 S Med Bldg
Chesterfield, MO 63017

11501 Page Service Dr

13.90 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
11501 Page Service Dr
Saint Louis, MO 63146

15421 Clayton Rd Ste 301

14.05 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
15421 Clayton Rd Ste 301
Ballwin, MO 63011

233 Clarkson Rd

14.19 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
233 Clarkson Rd
Ellisville, MO 63011

1066 Executive Parkway Dr Ste 200

14.74 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1066 Executive Parkway Dr Ste 200
Saint Louis, MO 63141

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 in O'Fallon, Missouri is a widely used method for detecting the presence of drugs or metabolites in the urine. It provides reliable, quick results and is commonly utilized in various sectors including workplaces, healthcare settings, and legal systems, ensuring compliance and safety requirements are met for all involved.

Learn More

Purpose of Urine Drug Testing

  • Pre-employment screening
  • Random workplace testing
  • Post-accident analysis
  • Compliance with legal standards
  • Rehabilitation monitoring

What Drugs Can Be Detected

  • Cocaine
  • Marijuana
  • Methamphetamines
  • Opiates
  • PCP

Urine drug testing in O'Fallon, Missouri offers a robust solution for maintaining safe and drug-free environments, with quick turnaround times and minimal intrusion.

Order Your Test Online

Alcohol Test Services

Alcohol testing is crucial for determining blood alcohol levels in individuals to ensure safety in various environments. With non-invasive methods available, it offers quick and precise results to monitor sobriety.

Learn More

Alcohol Testing is used in many settings

  • Workplace safety compliance
  • Driving under influence checks
  • Rehabilitation monitoring
  • Underage drinking prevention
  • Alcohol-free events verification
  • Legal investigations

Common Methods of Alcohol Testing

  • Breathalyzer
  • Blood test
  • Saliva test
  • Urine test
  • Hair analysis

Breathalyzer - Used for immediate alcohol level evaluation.

Blood test - Provides precise BAC readings for legal cases.

Saliva test - Quick, non-invasive method for recent alcohol use.

Urine test - Detects alcohol consumption over a longer period.

Hair analysis - Reflects long-term alcohol consumption patterns.

Order Your Test Online

Hair Follicle Drug Testing Services

Hair follicle drug testing in O'Fallon, Missouri examines a small sample of hair for evidence of drug use. This method is highly effective for detecting drug use over a longer period, typically up to 90 days. It offers a comprehensive view of drug history, making it a valuable tool for employment and legal situations.

Learn More

Why Use Hair Drug Testing?

  • Long detection window
  • Difficult to cheat
  • Comprehensive history
  • Non-invasive collection
  • Ideal for sensitive roles

What Drugs Can Be Detected

  • Cocaine
  • THC
  • Methamphetamines
  • Opiates
  • PCP

In O'Fallon, Missouri, hair drug testing serves diverse industries. Its reliability and extended detection period make it essential for rigorous screening, helping maintain safety and compliance.

Order Your Test Online

DOT Drug Testing Services

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

Learn More

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 O'Fallon, Missouri emphasizes safety and compliance, maintaining high standards across transportation sectors.

Order Your Test Online

Probation Drug Testing Services

Probation drug testing in O'Fallon, Missouri plays a vital role in the criminal justice system by monitoring compliance with substance use restrictions and ensuring that individuals on probation adhere to court-ordered conditions. Testing is primarily done using specimens such as urine, blood, and saliva to provide objective evidence of any drug use.

Learn More

Why Are Probation Drug Test Services Available?

  • Compliance enforcement: Ensures adherence to legal agreements
  • Rehabilitation tracking: Monitors progress in recovery
  • Risk reduction: Minimizes public and individual safety risks
  • Deterrence: Discourages ongoing drug use

Testing Methods

  • Urine tests: Common and cost-effective
  • Hair follicle tests: Detects long-term use
  • Saliva tests: Indicates recent use
  • Blood tests: Provides detailed substance levels

O'Fallon, Missouri's probation drug testing framework supports public safety and individual rehabilitation by offering reliable testing that deters substance misuse and encourages successful reintegration into the community.

Order Your Test Online

Court Ordered Drug Testing Services

Court ordered drug testing enforces accountability for individuals involved in legal matters. Mandated by courts, it helps ensure compliance with judicial directives and promotes sobriety. These tests are crucial for various legal contexts, including child custody and divorce cases.

Learn More

Why are Court Ordered Drug Test Services Available?

  • Ensure compliance
  • Support legal mandates
  • Verify sobriety
  • Aid in child custody cases
  • Formulate rehabilitation paths

Court Ordered Test Methods

  • Urine tests: Standard and efficient
  • Hair follicle tests: Tracks long-term use
  • Saliva tests: Quick results
  • Blood tests: High precision
  • Nail tests: Long history detection

In O'Fallon, Missouri, court ordered drug tests play a pivotal role in ensuring the integrity of legal proceedings. They provide a structured approach to monitoring and adjudicating substance use-related cases.

Order Your Test Online

Fingernail Drug Testing Services

Fingernail drug testing in O'Fallon, Missouri offers a unique approach to drug detection with a longer detection window. This method analyzes keratin in nails, capturing traces of drugs consumed. It provides a detailed snapshot of substance use over weeks or even months, assisting legal and occupational needs.

Learn More

Title here...

  • Fingernails: Retain drug indicators for 3-6 months.
  • Toenails: Capture up to a year of drug usage.

What Drugs Can Be Detected

  • Opiates
  • Amphetamines
  • Marijuana
  • Cocaine
  • Benzodiazepines
  • Methamphetamines

Advantages over other methods

  • Non-invasive collection
  • Long detection period
  • Reduced risk of sample tampering
  • Minimal collection discomfort
  • High accuracy

In O'Fallon, Missouri, fingernail testing is a powerful tool for providing an extended perspective on drug use, ideal for legal and regulatory compliance.

Order Your Test Online

Occupational Health Test Services

Occupational health testing in O'Fallon, Missouri aims to ensure workplace safety by assessing the health and fitness of employees for their specific roles. These tests help prevent workplace injuries and contribute to overall employee well-being, compliance, and efficiency.

Learn More

Purpose of Occupational Health Testing

  • Ensure employee safety
  • Enhance workplace productivity
  • Meet regulatory requirements
  • Identify health risks early
  • Promote a healthy work environment

Common Types of Occupational Health Tests

  • Fitness for duty exams: Evaluate ability to perform job tasks.
  • Respirator Fit Testing: Ensure safety in hazardous environments.
  • Pulmonary Function Tests (PFT's): Assess respiratory health.
  • Tuberculosis (TB): Screen for tuberculosis infection.
  • Vision: Check eyesight for roles requiring precise visual tasks.
  • Audiometric: Evaluate hearing ability.

Our services in O'Fallon, Missouri help employers maintain a safe, compliant, and healthy work environment through comprehensive testing solutions.

Order Your Test Online

Drug Statistics for O'fallon, Missouri

While specific drug-related statistics for O'Fallon, Missouri, are limited, it can be noted that the region follows trends similar to the broader St. Charles County and state statistics. Substance abuse remains a public health concern, with efforts focused on prevention and education. These initiatives aim to reduce drug use and enhance the community's overall wellbeing.

In Missouri, opioid overdoses have been a significant issue, paralleling national trends. Local health departments and organizations in and around O'Fallon are actively engaged in combating this problem through awareness campaigns, treatment programs, and support services for affected individuals and families.

Drug Testing Regulations in Missouri

Employer drug testing in O'fallon must comply with state guidelines under Mo. Rev. Stat. § 287.120. Missouri workers compensation law permits benefit reductions or forfeitures when workplace accidents result from unauthorized drug or alcohol impairment.

Medical Marijuana Status: Legal  |  Recreational Marijuana Status: Legal

Surrounding Areas Served Near O'fallon

Dardenne Prairie • Cottleville • Lake St. Louis • Lake Saint Louis • St. Paul • Weldon Spring Heights • Saint Peters • St. Peters

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

O'fallon Drug Testing

Quickly find trusted local drug testing centers in O'fallon, MO — fast, convenient, and reliable every time!

O'fallon DOT Drug Testing

Quickly find a local DOT drug testing center in O'fallon, MO — fast, reliable, convenient nationwide service!

O'fallon DNA Testing

DNA testing for legal and non-legal purposes including child support, and child custody around O'fallon, MO.

O'fallon Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in O'fallon, MO.v

O'fallon Hair Drug Testing

Get fast, accurate hair drug testing at our convenient O'fallon, MO locations—results you can trust, every time!

O'fallon Alcohol Testing

Fast, reliable alcohol testing to keep your workplace safe and compliant every single day in O'fallon, MO.

O'fallon Drug Testing Services

Reliable nationwide drug testing services ensuring accuracy, compliance, and quick results for businesses and individuals in O'fallon, MO.

O'fallon 5 Panel Drug Test

Accurate 5 panel drug testing with fast, confidential results—trusted by O'fallon, MO employers and individuals nationwide.

O'fallon 10 Panel Drug Test

Comprehensive 10 panel drug testing with fast, reliable results—trusted for O'fallon, MO workplace and personal testing needs.

O'fallon On Site Drug Testing

Convenient on-site mobile drug testing with fast, reliable results—saving time while keeping your O'fallon, MO workplace compliant.

O'fallon DOT Physicals

Certified DOT physicals with quick, reliable exams to keep O'fallon, MO 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 Missouri, workplace drug testing is governed by statutory guidelines under Mo. Rev. Stat. § 287.120. Private employers generally operate under a Missouri Article XIV and labor statutes, permitting pre-employment, random, post-accident, and reasonable suspicion testing.
Yes. Employers in Missouri who implement a certified Drug-Free Workplace Program in compliance with Mo. Rev. Stat. § 287.120 can qualify for insurance premium discounts and enhanced legal protections during workers' compensation claims.
Under Missouri state law compliance standards, state statutes protects off-duty medical cardholders for non-safety positions. 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 O'fallon area, offering urine, hair follicle, breath alcohol, and DOT testing.
While walk-ins are welcome with an electronic donor pass at collection sites across O'fallon, 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