Drug Test Services - Clarkson Valley, MO

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

With 36 testing centers in the Clarkson Valley 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.

36 Drug Test Service Centers in Clarkson Valley

Minutes Away, Test Today

15421 Clayton Rd Ste 301

1.31 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

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

15620 Manchester Rd

1.99 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
15620 Manchester Rd
Ellisville, MO 63011

16091 Swingley Ridge Rd Ste 150

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

17300 N Outer 40 Ste 104,

3.75 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

224 S Woods Mill Rd Ste 360 S Med Bldg

3.87 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

17838 Chesterfield Airport Rd

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

13610 Barrett Office Dr Ste 100

6.46 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
13610 Barrett Office Dr Ste 100
Manchester, MO 63021

1050 Old Des Peres Rd Ste 100

7.43 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1050 Old Des Peres Rd Ste 100
Saint Louis, MO 63131

1000 Des Peres Road Suite 200

7.43 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1000 Des Peres Road Suite 200
St. Louis, MO 63131

1066 Executive Parkway Dr Ste 200

7.51 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

615 S New Ballas Rd

8.06 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
615 S New Ballas Rd
Saint Louis, MO 63141

1051 Wolfrum Rd

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

11501 Page Service Dr

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

623 W. 5th Street

8.28 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
623 W. 5th Street
Eureka, MO 63025

747 N New Ballas Road

8.61 mi
🕑 Facility: Mon–Fri: 08:00 AM - 04:30 PM⚡ Drug Screens: Mon–Fri: 08:30 AM - 04:00 PM
747 N New Ballas Road
Creve Coeur, MO 63141

11700 Studt Ave

8.64 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-4:00 PM✓ Walk-in with Electronic Donor Pass
11700 Studt Ave
Creve Coeur, MO 63141

98 The Legends Pkwy Ste 108,

8.89 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-3:00 PM✓ Walk-in with Electronic Donor Pass
98 The Legends Pkwy Ste 108,
Eureka, MO 63025

11550 Olive Blvd

8.98 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
11550 Olive Blvd
Saint Louis, MO 63141

128 Matrix Commons Dr

9.22 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
128 Matrix Commons Dr
Fenton, MO 63026

1868 Craigshire Rd

9.32 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1868 Craigshire Rd
Saint Louis, MO 63146

83 Progress Pkwy

9.97 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
83 Progress Pkwy
Maryland Heights, MO 63043

2101 Collier Corporate Pkwy

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

508 Old Smizer Mill Rd

10.10 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
508 Old Smizer Mill Rd
Fenton, MO 63026

455 S Kirkwood Rd

10.31 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
455 S Kirkwood Rd
Kirkwood, MO 63122

714 Gravois Rd Ste 100

10.71 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
714 Gravois Rd Ste 100
Fenton, MO 63026

10296 Big Bend Rd Ste 110

10.93 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
10296 Big Bend Rd Ste 110
Saint Louis, MO 63122

1405 Jungermann Rd Ste B

11.10 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

1794 Zumbehl Rd

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

60 Gailwood Dr Ste B

11.67 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

2967 Highway K

11.82 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

4101 Mexico Rd Ste E,

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

205 First Executive Avenue

12.09 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

300 Saint Peters Centre Blvd Ste 150

12.11 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

9556 Manchester Rd

12.15 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
9556 Manchester Rd
Saint Louis, MO 63119

2621 Raymond Dr

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

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 Clarkson Valley, Missouri involves analyzing a urine sample to detect the presence of illegal drugs and prescription medications. It is one of the most common forms of drug testing due to its non-invasive nature and cost-effectiveness.

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Purpose of Urine Drug Testing

  • Pre-employment screening
  • Random workplace testing
  • Sports organizations
  • Legal requirements
  • Rehabilitation monitoring

What Drugs Can Be Detected

  • Marijuana
  • Cocaine
  • Amphetamines
  • Opiates
  • PCP
  • Barbiturates

In Clarkson Valley, Missouri, urine drug testing services are indispensable tools for maintaining safety and regulatory compliance. They ensure that individuals adhere to legal standards and help organizations foster a substance-free environment.

Order Your Test Online

Alcohol Test Services

Alcohol testing in Clarkson Valley, Missouri measures the presence of ethanol, the main psychoactive component in alcoholic drinks, within the body. Commonly used in legal settings, workplace safety programs, and rehabilitation centers, it detects recent alcohol consumption and impairment by analyzing breath, blood, saliva, or urine samples.

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Alcohol Testing is used in many settings

  • Workplace safety programs
  • Law enforcement checkpoints
  • Legal obligations
  • Post-incident testing
  • Rehabilitation monitoring

Common Methods of Alcohol Testing

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

Breathalyzer - Measures Breath Alcohol Content (BrAC).

Blood test - Offers precise Blood Alcohol Content (BAC).

Saliva test - Detects recent consumption quickly.

Urine test - Indicates usage over a few days.

Hair test - Extended detection window.

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Hair Follicle Drug Testing Services

Hair follicle drug testing in , PA detects drug use by analyzing hair samples. This method identifies substance use history over a period of approximately 90 days and provides a clear overview of a person's drug consumption patterns.

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Why Use Hair Drug Testing?

  • Longer detection window
  • Minimal invasion
  • Hard-to-adulterate
  • Effective for pre-employment screening
  • Comprehensive substance history

What Drugs Can Be Detected

  • Cocaine
  • Marijuana
  • Opioids
  • Methamphetamine
  • Ecstasy

Utilized throughout , Clarkson Valley, Missouri, hair follicle drug testing offers organizations and legal entities a robust tool for ensuring compliance with drug policies and regulations, thanks to its accuracy and extensive detection period.

Order Your Test Online

DOT Drug Testing Services

DOT drug testing in , Clarkson Valley, Missouri mandates substance screenings for safety-sensitive transportation employees as defined by the Department of Transportation. This standardized testing ensures the safety of the public by enforcing strict guidelines to maintain a drug-free transportation network across the state, maximizing reliability.

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Who is Required to Take DOT Drug Tests?

  • Commercial drivers
  • Aviation workers
  • Railroad employees
  • Maritime crew
  • Pipeline operators
  • Transit employees
  • Hazardous material handlers

What Drugs Are Tested For

  • Cocaine
  • Marijuana
  • Opiates
  • Amphetamines
  • Methamphetamines
  • Phencyclidine (PCP)

Ensuring compliance with DOT regulations in Clarkson Valley, Missouri through rigorous drug testing produces a safer public transport system. It is crucial in promoting safety, reliability, and trust within the community the transportation industries serve.

Order Your Test Online

Probation Drug Testing Services

Probation drug testing is a system mandated by courts to ensure individuals comply with drug-free requirements during probationary periods. It involves regular or random testing, with strict protocols to detect illicit substances. These tests are crucial to hold individuals accountable and support rehabilitation efforts.

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Why Are Probation Drug Test Services Available?

  • Rehabilitation Compliance: Ensures compliance with court-mandated rehab.
  • Deterrence: Prevents substance abuse relapse.
  • Public Safety: Protects community by monitoring offenders.
  • Accountability: Holds probationers accountable for actions.
  • Behavior Modification: Encourages lifestyle changes.

Testing Methods

  • Urine tests: Common due to ease and accuracy.
  • Hair follicle tests: Detects long-term drug use.
  • Saliva tests: Useful for detecting recent use.
  • Blood tests: Accurate but less common due to invasiveness.

Probation drug testing in , Clarkson Valley, Missouri is vital in monitoring individuals to ensure adherence to legal requirements, facilitating rehabilitation and safeguarding community wellbeing.

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Court Ordered Drug Testing Services

Court ordered drug testing mandates individuals to undergo substance testing as part of legal proceedings or stipulations, often following a relevant incident. It reinforces adherence to court orders and supports legal decisions with factual evidence, playing a crucial part in the judicial processes within Clarkson Valley, Missouri.

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Why are Court Ordered Drug Test Services Available?

  • Ensure compliance with legal orders
  • Support child custody decisions
  • Monitor DUI cases
  • Verify substance abuse treatment
  • Provide evidence in legal disputes

Court Ordered Test Methods

  • Urine tests: Versatile and widely accepted in legal settings.
  • Hair follicle tests: Provides long-term use detection.
  • Saliva tests: Offers immediate, sensitive results.
  • Blood tests: Considered highly accurate for critical cases.
  • Nail tests: Long detection window, useful for ongoing monitoring.

In Clarkson Valley, Missouri, court ordered drug testing provides the judicial system with reliable tools for enforcing legal compliance and supporting fair rulings.

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Fingernail Drug Testing Services

Fingernail drug testing in Clarkson Valley, Missouri captures a long history of drug use by examining keratin cells in nails. This non-invasive method is reliable and easy to implement for prolonged substance tracking.

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What is the Detection Window for Fingernail Drug Tests

  • Fingernails: Reveals usage over several months
  • Toenails: Slightly longer detection window

What Drugs Can Be Detected

  • Cocaine
  • Marijuana
  • Opioids
  • Amphetamines
  • Ecstasy

Advantages over other methods

  • Longer detection periods
  • Less invasive collection
  • Cheating is difficult
  • Reliable results
  • Simpler logistics

Clarkson Valley, Missouri adopts fingernail testing for its extended detection range and reliability in chronicling a person’s drug usage, aiding legal and clinical assessments.

Order Your Test Online

Occupational Health Test Services

Occupational health testing helps ensure worker safety and compliance with health regulations through various testing methods. These evaluations, including physical exams and drug tests, support workplace safety and employee wellness. Clarkson Valley, Missouri workplaces rely on these assessments for a healthy, compliant workforce.

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Purpose of Occupational Health Testing

  • Promote workplace health
  • Ensure compliance with regulations
  • Prevent diseases and injuries
  • Identify health risks
  • Reduce workplace accidents
  • Enhance productivity

Common Types of Occupational Health Tests

  • Fitness for duty exams: Assess an employee's capability to perform job duties
  • Respirator Fit Testing: Ensure correct respirator fit
  • Pulmonary Function Tests (PFT's): Evaluate lung health
  • Tuberculosis (TB): Screen for TB infection
  • Vision: Check visual acuity
  • Audiometric: Test hearing ability

In Clarkson Valley, Missouri, occupational health testing reinforces a culture of safety and wellness, benefiting both employers and employees through comprehensive health screenings.

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Drug Statistics for Clarkson Valley, Missouri

Drug-Related Statistics for Clarkson Valley, Missouri:

  • Currently, specific drug-related statistics for Clarkson Valley are not distinctly available due to its small population and the tendency for data to be aggregated at the county level.
  • Generally, St. Louis County reports efforts in combating opioid addiction and providing resources for those dealing with substance abuse, focusing on prevention, treatment, and recovery initiatives.
  • The area's drug testing facilities contribute to local efforts by offering services that deter drug use and support individuals in recovery.

Drug Testing Regulations in Missouri

Employer drug testing in Clarkson Valley 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 Clarkson Valley

Ellisville • Ballwin • Chesterfield • Winchester • Manchester • Wildwood • Twin Oaks • Town And Country

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

Clarkson Valley Drug Testing

Quickly find trusted local drug testing centers in Clarkson Valley, MO — fast, convenient, and reliable every time!

Clarkson Valley DOT Drug Testing

Quickly find a local DOT drug testing center in Clarkson Valley, MO — fast, reliable, convenient nationwide service!

Clarkson Valley DNA Testing

DNA testing for legal and non-legal purposes including child support, and child custody around Clarkson Valley, MO.

Clarkson Valley Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in Clarkson Valley, MO.v

Clarkson Valley Hair Drug Testing

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

Clarkson Valley Alcohol Testing

Fast, reliable alcohol testing to keep your workplace safe and compliant every single day in Clarkson Valley, MO.

Clarkson Valley Drug Testing Services

Reliable nationwide drug testing services ensuring accuracy, compliance, and quick results for businesses and individuals in Clarkson Valley, MO.

Clarkson Valley 5 Panel Drug Test

Accurate 5 panel drug testing with fast, confidential results—trusted by Clarkson Valley, MO employers and individuals nationwide.

Clarkson Valley 10 Panel Drug Test

Comprehensive 10 panel drug testing with fast, reliable results—trusted for Clarkson Valley, MO workplace and personal testing needs.

Clarkson Valley On Site Drug Testing

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

Clarkson Valley DOT Physicals

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