Lab testing across Chantilly & Fairfax County, VA
One central Chantilly lab — and our walk-in customers come from all over western Fairfax County. Pick your community below for drive times, top tests, and a customized landing page.
Find us
4500 Daly Drive, Suite 240, Chantilly, VA 20151
Free parking at the Westfields Corporate Center
Communities we serve
Pick your city for a tailored experience
Each page covers drive time from your neighborhood, the tests booked most by your community, and directions from your area.
Chantilly, VA
Our lab sits right in Chantilly on Daly Drive, minutes from the Westfields Corporate Center and the Greenbriar and Brookfield neighborhoods. Chantilly residents choose us over a hospital lab for one simple reason: clear upfront pricing, no insurance paperwork, and most results back in 24–72 hours.
Centreville, VA
Centreville sits just west of us off Route 29 and Route 28 — most residents reach the lab in well under ten minutes. We see a steady flow of Virginia Run and Sully Station neighbors for employer drug screens, STD panels and wellness blood work, with no doctor referral needed.
Fairfax, VA
Fairfax residents take Route 50 west and reach our Chantilly lab in about 15 minutes. We are a popular alternative to the hospital labs near George Mason for paternity DNA testing, comprehensive STD panels and executive wellness blood work — all without going through a primary-care office.
Herndon, VA
For Herndon residents, our Chantilly lab is a quick run down Route 28 or Centreville Road. We see Herndon and McNair clients for STD panels, hair-follicle drug tests, and comprehensive wellness blood work that skips the wait for a doctor’s appointment.
Oak Hill, VA
Oak Hill and Fox Mill neighbors are practically next door — most are at our Chantilly lab in under ten minutes via Route 50 or West Ox Road. Walk-in same-day testing for STDs, drug screens, blood work and paternity DNA is just up the road.
Fair Oaks, VA
Fair Oaks and Fair Lakes residents reach us in about 12 minutes east on Route 50. Shoppers and professionals near Fair Oaks Mall come to us for fast STD testing, pre-employment drug screens and wellness panels — no insurance, no surprise bills.
Reston, VA
Our Chantilly lab is an easy alternative for Reston residents who want to skip the hospital. Whether you need a DOT drug test before a new job, a comprehensive STD panel, or a paternity test, we are 15–20 minutes south via Route 28.
Clifton, VA
Clifton and Little Rocky Run residents head north on Route 28 to reach our Chantilly lab in about 15 minutes. We are a convenient, private option for paternity DNA testing, wellness blood work and employer drug screens without a trip to the doctor.
South Riding, VA
South Riding and Stone Ridge sit just across Route 50 from us — most residents reach the lab in under ten minutes. We are popular with South Riding families for paternity DNA testing and with local employers for ongoing drug-testing programs.
Dulles, VA
Dulles-area travelers and residents use our Chantilly lab for pre-travel testing, employer drug screens before a new contract, and walk-in blood work between flights. We are minutes from the airport via Route 50 and Route 28.
Fairfax County, VA
We serve western Fairfax County from our central Chantilly location off Route 50. Whether you’re in Centreville, Fairfax, Herndon, Oak Hill or Fair Oaks, we are the area’s convenient independent lab — same-day, walk-in, no insurance required.
Westfields, Chantilly
One lab. Fairfax County’s go-to address for walk-in testing.
Centrally located, easy parking, and reachable in under 25 minutes from anywhere in western Fairfax County.
- Monday
- 9:00 am – 6:00 pm
- Tuesday
- 9:00 am – 6:00 pm
- Wednesday
- 9:00 am – 6:00 pm
- Thursday
- 9:00 am – 6:00 pm
- Friday
- 9:00 am – 6:00 pm
- Saturday
- 9:00 am – 1:00 pm
- Sunday
- Closed
- Employer-based drug testing: walk-ins only, M–F 11 am – 3 pm.
- Doctor’s order included with every test — no referral needed.
Book at our Chantilly lab today.
Walk in or reserve a time. Most visits take under 15 minutes from check-in to leaving.