What are the opening hours?

Monday 9am - 5pm Tuesday 9am - 5pm Wednesday 9am - 5pm Thursday 9am - 5pm Friday 9am - 5pm

Fastest Labs

Rapid, reliable results backed by technology. When you need drug, alcohol, or DNA testing, rely on Fastest Labs® for comprehensive personal testing services.

With more than 10 years of experience in the industry, we have built a superior reputation for fast, accurate testing and outstanding customer service. We're proud to have some of the cleanest facilities around and our certified collectors work hard to ensure customer comfort throughout the entire testing process.

12/01/2025

🎄 Seasonal rush means fast onboarding, but skipping screenings can lead to costly mistakes. Fastest Labs provides quick, reliable pre-employment testing so you can focus on productivity, not paperwork.

Streamline your holiday hiring: fastestlabs.com/tri-cities

11/27/2025

🍂 This Thanksgiving, we’re grateful to our clients, employees, and communities who make safety and wellness a priority year-round.

Happy Thanksgiving from Fastest Labs!

11/24/2025

DOT random testing deadlines don’t wait for the holidays. Fastest Labs helps employers stay on track with accurate, fast, and compliant testing so you can wrap up the year without penalties or stress.

Stay compliant today—book your DOT testing with Fastest Labs: fastestlabs.com/tri-cities

11/21/2025

The busiest season of the year is almost here. Pre-holiday drug and alcohol testing helps employers protect their teams, reduce accidents, and maintain smooth operations throughout the year-end rush.

Schedule testing now before the holidays hit: fastestlabs.com/tri-cities

11/18/2025

Why lose time sending employees off-site? With Fastest Labs on-site testing, you’ll get accurate, certified results without disrupting your workday. It’s convenient, fast, and designed to fit your schedule.

📍 Book on-site testing today: fastestlabs.com/tri-cities

11/13/2025

At Fastest Labs, we recognize that energy dips are a natural part of life; however, when it comes to workplace safety, staying alert is crucial year-round. That’s why drug and alcohol testing is key to keeping teams focused, safe, and productive even during the busiest holiday season.

Drop your pick in the comments: Coffee ☕️ or Nap 😴?

11/11/2025

Fastest Labs is grateful for the men and women who serve and protect. 💙

🇺🇸 Tag a veteran in the comments to show your appreciation this Veterans Day.

11/10/2025

When the unexpected happens outside of business hours, Fastest Labs is here. Our after-hours testing services ensure you’re always covered, day or night, with fast, accurate results.

Contact us anytime for after-hours testing: fastestlabs.com/tri-cities

11/07/2025

The holiday season is a busy time: longer hours, increased stress, and employees balancing both work and family commitments. Unfortunately, it’s also a time when substance use and accidents increase.

Pre-holiday testing helps employers:
⚠️ Reduce workplace risks and accidents.
🛟 Ensure safety-sensitive roles stay alert.
✨ Build trust with teams during a stressful season.

Testing isn’t just about compliance—it’s about peace of mind for you and safety for your employees.

Secure your workplace before the holiday rush: fastestlabs.com/tri-cities

11/05/2025

Post-accident testing must be both quick and accurate, and also compliant. Fastest Labs provides immediate responses and reliable results, so employers can act quickly and protect their teams and businesses.

Contact us for post-accident testing: fastestlabs.com/tri-cities

11/03/2025

Alcohol testing is crucial for ensuring safety in safety-sensitive positions and maintaining compliance. Fastest Labs provides accurate, court-admissible results quickly because, with safety and compliance, timing is everything.

⚡ Get reliable alcohol testing now: fastestlabs.com/tri-cities

10/31/2025

We’re not saying you should dress as a drug test, but we’d love to see it.

Tell us what your costume is this year in the comments! Funniest wins a virtual high five 👻

HAPPY HALLOWEEN!!! 🎃

Address

654 Eastern Star Road
Kingsport, TN
37663

Opening Hours

Monday	9am - 5pm
Tuesday	9am - 5pm
Wednesday	9am - 5pm
Thursday	9am - 5pm
Friday	9am - 5pm

Telephone

+14239199335

Website

https://www.fastestlabs.com/tri-cities/

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