Lab Testing in 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.
From Fairfax County
Varies · County-wide
- Address
- 4500 Daly Drive, Suite 240
- Plaza
- Westfields Corporate Center
- Parking
- Free on-site
- Today
- Walk-ins welcome
Neighborhoods we see most
Nearby landmarks
Why Fairfax County chooses us
The closest private lab for Fairfax County residents
We see Fairfax County clients every day — here’s why they choose us over the hospital lab or a primary-care referral.
Western Fairfax County stretches from Centreville and Clifton to Herndon and Reston, and our Chantilly lab sits near its center off Route 50. That central position means most residents across the county reach us in 10–20 minutes — a genuine local alternative to crowded hospital labs. Wherever in the county you are, transparent pricing and 24–72-hour results are close by.
Right around the corner
Fairfax County residents reach our Chantilly lab on Daly Drive in Varies. Free parking, easy access off Route 50 and Route 28, no traffic to fight through.
Walk-in friendly
Walk-ins are welcome during open hours for almost every test. Booking online guarantees a specific slot and a shorter wait.
No insurance hassle
Your results never travel through your insurance carrier. You see the full price up front, pay with cash, card, or HSA / FSA, and keep your record private.
Most results in 24–72 hours
Processed at the same reference labs hospitals use. Same accuracy, dramatically faster turnaround than the primary-care referral path.
Real local lab
Independently owned and operated — not a hospital chain. We know Fairfax County and Fairfax County because we live here too.
Doctor’s order included
No referral needed for almost every test. We provide the doctor’s order as part of every visit.
Most requested
Tests Fairfax County books most
The tests our clients from your community ask for most often, with current walk-in prices.
HIV Test
Confidential HIV antibody and antigen testing.
Chlamydia & Gonorrhea Test
Urine PCR for chlamydia and gonorrhea — fast and accurate.
Comprehensive STD Panel
Our most-requested panel — covers HIV, hepatitis B & C, syphilis, chlamydia, gonorrhea, herpes I & II.
Paternity DNA Test
Peace-of-mind paternity testing using simple cheek-swab samples.
10 Panel Drug Test (Urine)
Screens for 10 common drugs of abuse including amphetamines, opiates, THC, cocaine and more.
Annual Check-Up Panel
CBC, CMP, lipid panel and thyroid screen — the full picture for your annual physical.
Who comes to us
From Fairfax County, we see…
- Working professionals across western Fairfax County needing drug screens
- Parents arranging DNA tests or pediatric wellness panels
- Adults requesting confidential STD testing outside their insurance record
From Fairfax County
How to get to our Chantilly lab
We sit at the center of western Fairfax County on Daly Drive, just off Route 50 near the Westfields Corporate Center. From Centreville and South Riding take Route 50 or Route 28; from Fairfax and Fair Oaks head west on Route 50; from Herndon and Reston come south on Route 28. Most residents reach us in 10–20 minutes.
When we’re open
Hours of operation
Walk-ins are welcome during all open hours. Booking online guarantees a specific slot.
- 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.
FAQ
Fairfax County questions, answered
Common questions from clients coming to our Chantilly lab from Fairfax County.
How far is your Chantilly lab from Fairfax County?
From Fairfax County, our Daly Drive location is approximately County-wide — a typical drive of Varies. Free parking is available directly outside our entrance.
Do I need an appointment from Fairfax County?
Walk-ins are welcome during open hours for almost every test. Booking an appointment guarantees a specific time slot and a shorter wait — especially helpful for Saturday visits or for employer-based drug testing, which is walk-in only Monday through Friday from 11 am to 3 pm.
Can Fairfax County businesses set up an employer testing account?
Yes. We work with employers across Fairfax County and the surrounding area for pre-employment screening, DOT-regulated programs, and ongoing random pool testing. Setup usually takes a single 20-minute conversation — call us or submit a quote request on the Business Solutions page.
How do I get to Any Lab Test Now Chantilly from my area?
We’re at 4500 Daly Drive, Suite 240, near the Westfields Corporate Center just off Route 50 and Route 28. Most surrounding communities — Centreville, Fairfax, Herndon, Oak Hill, South Riding — are 5 to 20 minutes away. Free parking on site.
Is there parking at the lab?
Yes — free parking sits directly outside our entrance at the Daly Drive office near Westfields. ADA-accessible spaces are closest to the door.
Do you serve businesses outside Chantilly?
Yes. We work with employers throughout Fairfax County and the surrounding Northern Virginia area, and we offer on-site collection for businesses with regular testing volume.
Service area
Other communities we serve
One central Chantilly lab — minutes away from every community in western Fairfax County.
Ready, Fairfax County?
Book online or call. Walk-ins are always welcome during open hours.