Quest Diagnostics - Fairfax Main Street
Blood draws in Fairfax. Instalab handles your order, results delivery, and physician review; pick your appointment time at checkout.

Available services
Below are popular panels at this location, and 600+ other tests are available under Build your own panel. Physician order and results are included. This facility charges $12 per blood draw, which is added at checkout.
The broadest starting point, covering 60+ biomarkers in a single blood draw.
$299ApoB, Lp(a), cholesterol, inflammation and glucose markers that drive heart risk.
$99Total and free testosterone with SHBG, LH and FSH for the full hormone picture.
$53Galleri® Multi-Cancer Early Detection Test
Screen for 50+ cancers with a single blood draw.
$849Build your own panel
Pick exactly the biomarkers you want from Instalab's full test menu, then your appointment time at checkout.
Already have a lab order?
If a doctor or another service gave you a lab order, pick your appointment time at this location and bring the order with you.
- Book onlinePick your time at checkout.
- No doctor's order neededWe provide the physician order.
- Upfront pricingSee your total before you pay.
- Results and an action planPhysician-reviewed, sent to you.
Common questions
Contact
- 10721 Main St, Suite 1400, Fairfax, VA 22030-6914
- 703-385-5670
- Fax 703-385-5672
- Mon7:30 am to 4:00 pmTue7:30 am to 4:00 pmWed7:30 am to 4:00 pmThu7:30 am to 4:00 pmFri7:30 am to 4:00 pmSat8:00 am to 12:00 pmSunClosed
- Get directions
Other locations nearby
- 1Fairfax Radiology Center - Fairfax City0.7 mi›
- 2Quest Diagnostics - Inside Fairfax Safeway Store3 mi›
- 3Reston Radiology Consultants3.1 mi›
- 4Quest Diagnostics - Inside Burke Safeway Store3.4 mi›
- 5Quest Diagnostics - Prosperity Medical Center4.3 mi›