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Fastest Labs of St. Charles Change Location
Fastest Labs of St. Charles
The Reliable Results You Need, When You Need Them Drug, Alcohol, and DNA Testing
Fastest Labs of St. Charles
Fastest Labs of St. Charles
3004 S St Peters Pkwy Suite Q, St. Charles, MO 63303
(636) 242-8160
  • Today's Hours: 9:00 AM - 5:00 PM
  • Fastest Labs of St. Charles
    • Monday
      9:00 AM - 5:00 PM
    • Tuesday
      9:00 AM - 5:00 PM
    • Wednesday
      9:00 AM - 5:00 PM
    • Thursday
      9:00 AM - 5:00 PM
    • Friday
      9:00 AM - 5:00 PM
    • Saturday
    • Sunday
    • Holidays
    Walk-ins Welcome!
    After hours and post-accident
    24/7 service available.
Walk-ins Welcome!
After hours and post-accident
24/7 service available.

DNA & Drug Testing in St. Charles

Finding answers to your most personal and important medical questions should be done at a trustworthy and sanitized location. The good news is that you have BUSINESS close by to help!

We offer you the following support:

  • Drug testing
  • DNA testing
  • Employee drug testing
  • Paternity testing

This isn’t an exhaustive list of the solutions we offer individuals and local businesses. Regardless of the type of testing you require, our qualified drug testing professionals are with you every step of the way. We’ll explain the procedure, when you can expect the results, and answer other questions you may have.

We have 4 convenient locations in the St. Louis area!

Whether you want to find out more about your family history or paternity results, Call (636) 242-8160 to get started.

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Call (636) 242-8160 today to learn more about our testing services in St. Charles. You can also request an appointment online with us!

Your Simple Testing Solution

  • 1
    Request Your Appointment
  • 2
    Visit Your Nearest Fastest Labs
  • 3
    Quickly Receive Your Test Results

Employer Drug Testing Support

We’re here to assist if you’re a business owner hoping to grow your workforce and ensure you’re hiring the most trustworthy staff.

There’s no reason you have to go it alone when it comes to the hiring process. We’ll help you design a drug and alcohol testing policy and implement your testing requirements. Not only that, but we’ll continue to offer ongoing education so that you can appropriately handle any drug-related situation that occurs.

Our employer testing services include:

  • DOT compliance testing
  • Background checks
  • Random drug and alcohol testing
  • Pre-employment screenings
  • Employee monitoring

We help administer these testing solutions on-site for your and your employees’ convenience. This allows you to focus on making your St. Charles business even more successful.

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Request an appointment online or call (636) 242-8160 today!
We look forward to assisting you.
Why Us?

Hear From Our Customers

  • “Clean facilities, professional employees, and great customer service. Would definitely recommend!”
    - Aaron J.
  • “Super fast and really clean. The staff was very friendly and helpful.”
    - Kay M.
  • “Great experience. Friendly people and extremely fast. Great pricing.”
    - Frank H.
Request An Appointment

Walk-ins and same day appointments are welcome!
Please call to inquire about weekend and after-hour appointments.

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9:00 AM - 5:00 PM