Blood test labs in Saint Louis, MO
There are 6 Quest Diagnostics centers in Saint Louis that take JustLabs orders, 6 with online booking. Order online with no doctor visit and one $18 fee per order.
Locations and hours
Quest Diagnostics – Mercy Center for prformance Medicine
701 S New Ballas Rd, Saint Louis, MO 63141-8702
- Mon–Fri 7:00 am–4:30 pm
Online booking
DirectionsQuest Diagnostics – Mercy Southfork
12700 Southfork Rd, Ste 150, Saint Louis, MO 63128-3206
- Mon–Fri 6:00 am–5:00 pm
- Sat 7:00 am–12:00 pm
Online booking
DirectionsQuest Diagnostics – Mercy Tower A
621 S New Ballas Rd, Suite 23, Saint Louis, MO 63141-8232
- Mon–Fri 6:30 am–5:00 pm
- Sat 8:00 am–12:00 pm
Online bookingPediatric drawsGlucose tolerance testing
DirectionsQuest Diagnostics – Mercy Watson Rd
7345 Watson Rd, Lower Level Section 2, Saint Louis, MO 63119-9804
- Mon–Fri 7:30 am–5:00 pm
Online booking
DirectionsQuest Diagnostics – Tesson Kennerly
9950 Kennerly Rd, Saint Louis, MO 63128-2704
- Mon–Fri 6:00 am–5:30 pm
- Sat 7:00 am–1:00 pm
Online bookingPediatric drawsGlucose tolerance testing
DirectionsQuest Diagnostics – West Pine
40 N Kingshighway, Saint Louis, MO 63108-1324
- Mon–Fri 7:00 am–3:30 pm
- Sat 7:00 am–1:00 pm
Online bookingPediatric drawsGlucose tolerance testing
DirectionsPrices for the most-ordered tests
Every order adds one $18 fee (blood draw + physician order), however many tests you add.
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Frequently Asked Questions
Other cities in Missouri
Locations and hours from Quest Diagnostics, refreshed daily; confirm hours with the center before you go. JustLabs is not Quest Diagnostics.