✓ Same-Day Walk-Ins Welcome ✓ Digital Donor Pass in Minutes ✓ No Doctor Order Required ✓ SAMHSA-Certified Labs

Drug Testing Locations in St. Clair, MO

With 30 testing centers in the St. Clair 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.

Urine (5, 10, 12, 14-Panel) Hair Follicle (90-Day) DOT Drug & Alcohol Court & Probation Oral Fluid / Saliva EtG Alcohol
🕑 Collection Site Hours: Monday – Friday: 8:00 AM – 4:00 PM • ✓ Walk-in with Electronic Donor Pass • Saturday – Sunday: Closed

30 Drug-Testing Centers in St. Clair

Same-Day Electronic Donor Pass Accepted at All Locations Below

Minutes Away, Test Today

370 N Commercial Ave

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

605 N Commercial Ave

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

3021 Highway A

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

2003 Phoenix Center Dr,

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

556 Walmart Dr

13.12 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
556 Walmart Dr
Sullivan, MO 63080

251 Ozark Dr

13.20 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
251 Ozark Dr
Sullivan, MO 63080

901 Patients First Dr

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

1351 Jefferson St Ste 208

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

851 E 5th St Ste 152

14.05 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

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

98 The Legends Pkwy Ste 108,

21.44 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

10585 Business 21

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

30 W Highway D Ste 201

25.35 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

233 Clarkson Rd

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

15620 Manchester Rd

27.70 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

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

3536 Kuhne Rd

28.85 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3536 Kuhne Rd
Owensville, MO 65066

17838 Chesterfield Airport Rd

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

102 Ozark Dr Ste A

29.85 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
102 Ozark Dr Ste A
Cuba, MO 65453

17300 N Outer 40 Ste 104,

30.24 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

102 Progress Pkwy Ste A

30.61 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
102 Progress Pkwy Ste A
Sullivan, MO 63080

508 Old Smizer Mill Rd

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

612 E High St Ste 210

30.93 mi
🕑 Facility: Mon–Fri: 06:00 AM - 02:00 PM⚡ Drug Screens: Tuesday: 06:00 am - 12:30 pm; Wednesday: 06:00 am - 12:30 pm; Thursday: 06:00 am - 12:30 pm; Friday: 06:00 am - 12:30 pm; Saturday: 06:00 am - 08:00 am
612 E High St Ste 210
Potosi, MO 63664

16091 Swingley Ridge Rd Ste 150

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

714 Gravois Rd Ste 100

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

5551 Winghaven Blvd Ste 100

31.05 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

912 N Missouri St Po Box 220

31.22 mi
🕑 Facility: Mon–Fri: 07:00 AM - 03:00 PM (Lunch: 12:00 PM - 12:30 PM)⚡ Drug Screens: Mon–Fri: 08:00 AM - 11:00 AM, 12:30 PM - 02:00 PM
912 N Missouri St Po Box 220
Potosi, MO 63664

128 Matrix Commons Dr

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

1051 Wolfrum Rd

31.88 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

31.97 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

Employment, DOT, Court Ordered, Probation, Family

At our 30 testing facilities in the St. Clair, Missouri region, Accredited Drug Testing delivers all-encompassing drug and alcohol screening solutions. We cater to DOT and non-DOT urine drug assessments, breathalyzer tests, EtG alcohol evaluation, and hair follicle drug screening, suitable for personal, employment, or legal purposes. In St. Clair, MO, we ensure rapid test results and the reliability of SAMSA-certified lab analysis, offering same-day services. Most of our St. Clair locations are conveniently located close to your residence or office. Additional offerings entail Occupational Health Screenings, Clinical Testing, and Background Verifications.

For scheduling, dial (800) 221-4291 or proceed online. Choose your preferred test and locate a nearby center—testing can be arranged for you, an employee, or others. The process is swift and uncomplicated, accessible by calling our scheduling team or via our 24/7 online system. Our efficient and intuitive system ensures arranging drug testing near St. Clair is hassle-free.

* You must register by phone or online to receive your donor pass/registration prior to proceeding to the testing center. You must bring a valid government issued ID along with the registration/barcode number which was sent to you by email.

When you're searching for drug testing near me or drug testing locations, we provide a simple and convenient process to find a drug and alcohol testing location near you that is certified to provide all of your drug and alcohol testing needs.

How the Drug Testing Process Works in St. Clair, MO

1

Order Online or Call

Select your test & search nearby St. Clair collection sites.

2

Get Donor Pass

Receive your donor pass by email or SMS immediately.

3

Visit Collection Center

Walk in with donor pass & photo ID. No appointment needed.

4

Fast Results

Secure results delivered confidentially in 24-48 hours.

St. Clair, MO Drug Testing

Drug Testing Services Available at Our St. Clair, MO Labs:

At our St. Clair drug testing collection sites, Accredited Drug Testing provides one of the widest selections of drug and alcohol testing services available. Whether you're an employer, attorney, court, or private individual, we offer both DOT and non-DOT testing options—ranging from rapid tests to comprehensive lab-based screenings—capable of detecting nearly any substance.

Mobile/On-Site Drug Testing

If you're an employer needing to test 25 or more employees and looking to save time and money, we offer mobile on-site drug testing where we come to you. Call us today for more information.

Official Legal & Regulatory Framework

Missouri Drug Testing Laws & Compliance in St. Clair

SAMHSA Certified • MRO Verified

Accredited Drug Testing provides employer and individual screening in St. Clair, MO adhering strictly to Mo. Rev. Stat. § 287.120, federal DOT 49 CFR Part 40 guidelines, and certified SAMHSA laboratory chain-of-custody standards.

Statutory Citation
Mo. Rev. Stat. § 287.120
Medical Marijuana
Legal
Recreational Cannabis
Legal
Workplace Rights
Zero-Tolerance Protected

Missouri workers compensation law permits benefit reductions or forfeitures when workplace accidents result from unauthorized drug or alcohol impairment.

Under Mo. Rev. Stat. § 287.120, employers in St. Clair may institute comprehensive drug-free workplace programs including:

  • Pre-Employment Screening: Conditional job offer testing for all applicants.
  • Reasonable Suspicion Testing: Objective, documented behavioral signs of impairment.
  • Post-Accident Testing: Mandatory screening following workplace injuries or property damage.
  • Random Testing: Unannounced selection for safety-sensitive roles and machinery operators.
  • Workers' Comp Incentives: Verified testing programs provide premium discounts on state workers' compensation insurance policies.

While cannabis statutes continue evolving across the United States (Medical: Legal; Recreational: Legal in Missouri), employers retain the legal prerogative to prohibit substance impairment on job premises, during operational shifts, and while operating company vehicles.

Federal regulations, Department of Transportation (DOT) mandates, and safety-sensitive positions strictly prohibit marijuana use regardless of state cannabis status. ADT provides both standard THC screening and non-THC customized drug panels for private employers wishing to adapt to state-specific hiring preferences.

For commercial drivers, maritime operators, aviation crews, and transit personnel operating in St. Clair, all testing follows rigorous Department of Transportation (DOT) standards governed by 49 CFR Part 40:

  • Federal 5-Panel Regulated Urine Screen: Tested for Marijuana, Cocaine, Amphetamines/Methamphetamines, Opioids (Codeine, Morphine, Heroin, Hydrocodone, Hydromorphone, Oxycodone, Oxymorphone), and PCP.
  • SAMHSA Accredited Laboratories: Zero compromise on testing accuracy with gas chromatography/mass spectrometry (GC/MS) confirmation.
  • Medical Review Officer (MRO): Every non-negative specimen is reviewed by a licensed physician MRO before reporting.
  • FMCSA Clearinghouse Reporting: Real-time reporting of verified positive tests and refusals to test into the federal driver clearinghouse database.

Accredited Drug Testing provides legally admissible drug and alcohol screening for county court dockets, child custody hearings, probation requirements, and pretrial diversion programs throughout St. Clair and Missouri.

All specimens undergo observed or witnessed collection procedures when ordered by the court, accompanied by rigorous Federal Chain of Custody Forms (CCF). Turnaround time is rapid, and official certificates of analysis can be forwarded directly to your attorney, court case officer, or probation supervisor upon release.

Hyper-Local Proximity Coverage

Neighborhoods & Service Districts in St. Clair, MO

Minutes Away, Same-Day Donor Pass

Accredited Drug Testing operates collection centers strategically positioned throughout St. Clair to ensure fast donor access with minimal drive times. Walk-ins are welcomed with an immediate electronic donor pass across all major neighborhoods and transit corridors:

Key St. Clair Neighborhoods Covered:

● Downtown St. Clair ● Central Business District ● North St. Clair Commercial Corridor ● South St. Clair Industrial Park ● East St. Clair Metro Area ● West St. Clair Trade Center ● Medical & Healthcare District ● Airport / Logistics Corridor

Major Employment & Commercial Hubs Served:

St. Clair Main Street Commercial District • St. Clair Regional Trade Center • County Industrial Parkway • Metro Healthcare & Occupational Medical Corridor

Located anywhere in St. Clair? Receive your electronic pass in under 5 minutes.
Order Test Online →

Surrounding Areas Served Near St. Clair

Parkway • Piney Park • Charmwood • Stanton • Lonedell • Miramiguoa Park • Villa Ridge • Oak Grove Village

St. Clair, MO Drug & Alcohol Test Panels & Detection Windows

Select a test panel below to review specific drug compounds screened, detection timeframes, and instant electronic pass registration in St. Clair.

Test Type & Local Panel Detection Window Common Use Cases in St. Clair Turnaround Time
5-Panel Urine Screen in St. Clair →
THC, Cocaine, Basic Opiates, Amphetamines, PCP
1 to 5 Days Pre-Employment, Workplace Safety & Non-DOT Randoms 24 to 48 Hours
10-Panel Urine Screen in St. Clair →
Adds Benzodiazepines, Barbiturates, Methadone, Propoxyphene
1 to 7 Days Healthcare Staffing, Corporate Policies & Court Orders 24 to 48 Hours
Hair Follicle Drug Test in St. Clair →
Long-term historical pattern analysis (90-day window)
Up to 90 Days Child Custody, Legal Defense & Executive Screening 3 to 5 Business Days
DOT Drug & Alcohol Test in St. Clair →
49 CFR Part 40 compliant with CCF & MRO verification
1 to 5 Days FMCSA, FAA, FRA, FTA, USCG Regulated Drivers & Crew 24 to 48 Hours
ETG & Breath Alcohol in St. Clair →
Evidential breath testing or 80-hour urine EtG metabolite
Breath: 0–12 Hrs
EtG: Up to 80 Hrs
Zero-Tolerance Workplace, Post-Accident & Probation Immediate to 48 Hours
DOT Physical Exam in St. Clair →
FMCSA NRCME certified medical examiner card (Form MCSA-5876)
1 to 2 Year Card Commercial Driver License (CDL) Medical Certification Same-Day Medical Card
Full-Service Testing Solutions

Occupational Health & Specialized Screening in St. Clair, MO

Beyond standard urine screening, Accredited Drug Testing delivers end-to-end occupational medical solutions, DOT credentialing, court-admissible forensic testing, and employer background compliance.

NRCME Certified

DOT Physicals & Medical Cards

FMCSA-compliant examinations conducted by certified medical examiners. Instant driver medical certificate renewal across St. Clair.

AABB Accredited

Court Legal DNA & Paternity

100% court-admissible legal paternity, maternity, sibling, and grandparentage testing with strict chain of custody for family court.

FCRA Compliant

Background Checks & MVR

Comprehensive pre-employment screening, nationwide criminal history searches, and Motor Vehicle Records (MVR) for driver compliance.

Long Detection Window

90-Day Hair Follicle Drug Test

Tamper-resistant 90-day historical substance screening. Preferred by family courts, custody attorneys, and zero-tolerance employers.

Instant & Lab Confirmed

Breath Alcohol & 80-Hr EtG

Evidential breath alcohol testing (BAT) and 80-hour EtG urine/hair metabolite analysis for probation monitoring and workplace safety.

We Come to You

Mobile On-Site Group Testing

Certified mobile collection technicians dispatched directly to your St. Clair facility or job site for groups of 25+ employees.

Local Testing Resource Network

More Drug & Alcohol Testing Options in St. Clair, MO

Need immediate walk-in service in St. Clair? View our St. Clair, MO Drug Testing Facility Guide or order an instant electronic donor pass online.

St. Clair Drug Testing

Quickly find trusted local drug testing centers in St. Clair, MO — fast, convenient, and reliable every time!

St. Clair DOT Drug Testing

Quickly find a local DOT drug testing center in St. Clair, MO — fast, reliable, convenient nationwide service!

St. Clair DNA Testing

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

St. Clair Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in St. Clair, MO.v

St. Clair Hair Drug Testing

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

St. Clair Alcohol Testing

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

St. Clair Drug Testing Services

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

St. Clair 5 Panel Drug Test

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

St. Clair 10 Panel Drug Test

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

St. Clair On Site Drug Testing

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

St. Clair DOT Physicals

Certified DOT physicals with quick, reliable exams to keep St. Clair, 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 30 certified collection sites in the St. Clair area, offering urine, hair follicle, breath alcohol, and DOT testing.
While walk-ins are welcome with an electronic donor pass at collection sites across St. Clair, 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 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

they have made my job much easier

I always have a good experience setting up company driver drug screens through ADT. I'm really happy I found them while searching online, they have made my job much easier.

Exodus Heath - 2/13/2025

Explained everything so no questions

Torin was great. Explained everything so no questions

Tony Lombardo - 4/18/2025


(800) 221-4291