Drug Test Services - Gray Summit, MO

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

With 35 testing centers in the Gray Summit 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.

35 Drug Test Service Centers in Gray Summit

Minutes Away, Test Today

2003 Phoenix Center Dr,

8.95 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2003 Phoenix Center Dr,
Washington, MO 63090

851 E 5th St Ste 152

10.14 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
851 E 5th St Ste 152
Washington, MO 63090

623 W. 5th Street

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

1351 Jefferson St Ste 208

10.70 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1351 Jefferson St Ste 208
Washington, MO 63090

98 The Legends Pkwy Ste 108,

10.85 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

3021 Highway A

11.69 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3021 Highway A
Washington, MO 63090

901 Patients First Dr

12.17 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-4:00 PM✓ Walk-in with Electronic Donor Pass
901 Patients First Dr
Washington, MO 63090

605 N Commercial Ave

12.86 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
605 N Commercial Ave
Saint Clair, MO 63077

370 N Commercial Ave

13.03 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
370 N Commercial Ave
Saint Clair, MO 63077

233 Clarkson Rd

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

30 W Highway D Ste 201

14.99 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

15620 Manchester Rd

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

15421 Clayton Rd Ste 301

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

17838 Chesterfield Airport Rd

16.23 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,

17.32 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

16091 Swingley Ridge Rd Ste 150

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

5551 Winghaven Blvd Ste 100

18.78 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

1051 Wolfrum Rd

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

224 S Woods Mill Rd Ste 360 S Med Bldg

19.35 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

2967 Highway K

19.92 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

508 Old Smizer Mill Rd

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

13610 Barrett Office Dr Ste 100

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

128 Matrix Commons Dr

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

714 Gravois Rd Ste 100

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

300 Winding Woods Dr Ste 100

21.05 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

10585 Business 21

21.29 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
10585 Business 21
Hillsboro, MO 63050

1050 Old Des Peres Rd Ste 100

21.59 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

21.59 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

4 Abington Ct

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

1111 W Pearce Blvd

21.81 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

251 E Pearce Blvd

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

801 Medical Dr, Ste 200

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

1901 Trade Center Dr

22.83 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

1201 Wentzville Pkwy Ste 117,

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

1066 Executive Parkway Dr Ste 200

22.99 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 is a non-invasive method used to detect drug metabolites in a person's system, typically within a few days of usage. It involves collecting a urine sample which is then analyzed in a laboratory for different substances. It is one of the most common forms of drug testing.

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Purpose of Urine Drug Testing

  • Pre-employment screening
  • Compliance with legal requirements
  • Monitoring patient medication adherence
  • Ensuring workplace safety
  • Supporting rehabilitation programs

What Drugs Can Be Detected

  • Cocaine
  • Marijuana
  • Opiates
  • Amphetamines
  • Benzodiazepines

With its effectiveness in screening for recent drug use, urine drug testing in Gray Summit, Missouri offers businesses and individuals a reliable option for maintaining drug-free environments. Our accredited services ensure accurate results with a streamlined collection process.

Order Your Test Online

Alcohol Test Services

Alcohol testing in Gray Summit, Missouri measures the amount of alcohol in an individual's system, often determining impairment levels. This testing is critical for ensuring that safety and legal standards are upheld in diverse environments, such as workplaces and transportation, preventing incidents that could arise from alcohol consumption.

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Alcohol Testing is used in many settings

  • Workplaces
  • Law enforcement
  • Rehabilitation centers
  • Healthcare settings
  • Transportation industries

Common Methods of Alcohol Testing

  • Breathalyzer
  • Blood tests
  • Saliva tests
  • Urine tests
  • Sweat tests

Breathalyzer - Measures alcohol content by analyzing breath samples.

Blood tests - Provides precise BAC levels through blood analysis.

Saliva tests - Detects recent alcohol use through saliva specimens.

Urine tests - Indicates alcohol consumption over a period of time.

Sweat tests - Monitors continuous alcohol consumption through sweat collection.

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Hair Follicle Drug Testing Services

The hair follicle drug test analyzes a small sample of hair to detect drug molecules and metabolites embedded in the hair shaft. This method provides a long detection window, making it ideal for tracking substance use over months.

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Why Use Hair Drug Testing?

  • Long detection window
  • Non-invasive sample collection
  • Hard to adulterate
  • Useful for long-term substance use verification
  • Comprehensive detection capabilities

What Drugs Can Be Detected

  • Cocaine
  • Opiates
  • Methamphetamine
  • Ecstasy
  • PCP

In Gray Summit, Missouri, hair drug testing is increasingly popular for employers, parents, and organizations due to its reliability and comprehensive testing capabilities. It offers peace of mind, knowing you can trust the results obtained through a reputable and accurate testing method.

Order Your Test Online

DOT Drug Testing Services

In Gray Summit, Missouri, DOT drug testing ensures compliance with federal regulations, focusing on safety-sensitive transportation roles. The DOT strictly governs these screenings to ensure the reliability and safety of public and commercial transit systems. This testing protocol includes strict adherence to guidelines and timely reporting.

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Who is Required to Take DOT Drug Tests?

  • Commercial truck drivers
  • Crew members on passenger airliners
  • Pipeline operators
  • Transit and railway operators
  • Commercial bus drivers
  • Maritime employees
  • Hazardous material transporters

What Drugs Are Tested For

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

DOT drug testing in Gray Summit, Missouri is critical to the integrity and functionality of the transportation sector. By adhering to federal protocols, it helps maintain a safe operating environment for all transportation-related activities.

Order Your Test Online

Probation Drug Testing Services

Probation drug testing monitors individuals under supervised release conditions to ensure adherence to legal and rehabilitative requirements. It involves regular or random drug screenings to track compliance and substance abstinence, forming a critical part of the judicial oversight and support system in Gray Summit, Missouri.

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Why Are Probation Drug Test Services Available?

  • Compliance monitoring: Ensures adherence to probation terms.
  • Deterrence: Dissuades substance use during probation.
  • Support recovery: Assists in rehabilitation efforts.
  • Prevent relapse: Helps maintain sobriety through accountability.
  • Protect public safety: Reduces risk of re-offense.

Testing Methods

  • Urine tests: Common and cost-effective for varied substances.
  • Hair follicle tests: Detects long-term use over months.
  • Saliva tests: Useful for recent drug use detection.
  • Blood tests: Accurate, used for legal verification.

In NH, probation drug tests play a vital role in reinforcing judicial compliance and aiding rehabilitation efforts, acting as a deterrent, and supporting public safety.

Order Your Test Online

Court Ordered Drug Testing Services

Court ordered drug testing in , WI plays a crucial role in the judicial system, providing objective measures to ensure compliance with court mandates. These tests are implemented in various legal contexts to monitor substance use, influencing decisions related to trials, custody, and rehabilitation.

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Why are Court Ordered Drug Test Services Available?

  • Ensure compliance with legal requirements
  • Assess rehabilitation progress
  • Provide objective evidence in legal cases
  • Protect child custody and welfare
  • Deters illegal drug use

Court Ordered Test Methods

  • Urine tests: Widely used for instant results.
  • Hair follicle tests: Offers a broader detection window.
  • Saliva tests: Detects recent drug use effectively.
  • Blood tests: Provides precise measurements.
  • Nail tests: Captures extended use history.

In , Gray Summit, Missouri, these testing methods uphold the integrity of court decisions and support legal frameworks.

Order Your Test Online

Fingernail Drug Testing Services

Fingernail drug testing in Gray Summit, 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

Gray Summit, 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 in Gray Summit, Missouri ensures employee health and safety in the workplace through a variety of screening and monitoring processes. These tests help organizations comply with industry regulations and improve workplace productivity.

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Purpose of Occupational Health Testing

  • Ensure workplace safety
  • Comply with regulations
  • Improve employee health
  • Enhance productivity
  • Identify health risks

Common Types of Occupational Health Tests

  • Fitness for duty exams: Asses physical capability
  • Respirator Fit Testing: Protect respiratory health
  • Pulmonary Function Tests (PFT's): Evaluate lung performance
  • Tuberculosis (TB): Detect TB presence
  • Vision: Test vision clarity
  • Audiometric: Assess hearing ability

Occupational health testing in Gray Summit, Missouri plays a crucial role in fostering a healthy and safe work environment, crucial for the wellbeing of employees and overall organizational efficiency.

Order Your Test Online

Drug Statistics for Gray Summit, Missouri

As of the latest available data, Franklin County, which includes Gray Summit, has seen a moderate level of drug use reflective of national patterns. Efforts are ongoing to address substance abuse through education and treatment programs. However, exact statistics specific to Gray Summit are limited. Community and law enforcement initiatives strive to minimize drug-related incidents, ensuring safety and well-being for all residents.

Drug Testing Regulations in Missouri

Employer drug testing in Gray Summit 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 Gray Summit

Labadie • Villa Ridge • Augusta • Lake Tekakwitha • Labarque Creek • Defiance • Eureka • Wildwood

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

Gray Summit Drug Testing

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

Gray Summit DOT Drug Testing

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

Gray Summit DNA Testing

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

Gray Summit Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in Gray Summit, MO.v

Gray Summit Hair Drug Testing

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

Gray Summit Alcohol Testing

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

Gray Summit Drug Testing Services

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

Gray Summit 5 Panel Drug Test

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

Gray Summit 10 Panel Drug Test

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

Gray Summit On Site Drug Testing

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

Gray Summit DOT Physicals

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

Great service

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

Jesse Dupre - 4/12/2025

Clear and Competent

I was so surprised with the quality of customer service I received today when I called Accredited Drug Testing. The representative was so clear and competent. She was able to reschedule an appointment at my preferred location. The representative whose name is Justice, was so polite and competent. She expedited the whole process. It was a relief to me.

Rachel Padian - 9/6/2024

Fantastic Experience

Fantastic experience from the beginning. Jocelyn was very helpful to me as someone who doesn’t have much experience in needing a test. They were very helpful and walked me through the entire process start to finish. Thank you ADT!

Riley Wilson - 2/18/2025

Super helpful and courteous

I've had to use this service twice for out of state physicians we've hired and both times it was super easy. Both customer service reps I spoke with were super helpful and courteous. I won't hesitate to use their service again if needed.

Alicia Rau - 6/19/2024

Accredited has been wonderful to work with!

Accredited has been wonderful to work with! My court ordered tests are on a very strange schedule but every time I call, they are quick to schedule me and are always able to find a location that works for where I’m at and when! Thank you for making this rather undesirable situation less stressful and efficient.

Madison Sanderford - 8/19/2024

This is by far the easiest

This is by far the easiest way to get my lab work ordered and paid for. The phone calls are short and to the point. They don’t try to push extra sales on you and when I walk in to the clinic I simply show my donor pass and with in a matter of minutes I’m done. I will continue to use ADT in the future.

Jason Jackson - 7/19/2025

Excellant Performance

The visit here is always the best . The place is always really clean. The employees are super courteous, very polite, and professional. This is the only drug lab I like to go do my drug and alcohol test. I would like to tell them thank you so much for thier excellent performance and job

Eli Gonzalez - 1/4/2025

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

Hassle Free Experience

It was easy to make the arrangements to get to someone in regards to renewing my DOT medical certificate. They took care of everything over the phone which made my experience hassle free. I will definitely be using them again and you should too.

Jim Raymond - 10/18/2024

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


(800) 221-4291