STD Testing in Saint Louis, MO

You can order an STD test online and give your sample at one of 10 test centers in Saint Louis (6 Quest Diagnostics and 4 Labcorp) used by STDcheck and HealthLabs. Single tests start at $39 with STDcheck's coupon, and the Full STD Panel is $139 ($129 with code 10OffOrder). There's no doctor's visit or insurance involved, and STDcheck says results come back in 1–2 days. 8 of the Saint Louis centers open on Saturday, and at least 8 more are within 15 miles.

Most ordered
Chlamydia & Gonorrhea Combined Test
$99 $89 with code
Order at STDcheck → All STD tests ↓
10Test centers in Saint Louis
From $39With STDcheck coupon
8Open on Saturday
6:00 AMEarliest opening

Order an STD test for Saint Louis

The price is the same at every Saint Louis test center. Order online, choose your center from the provider's list, give your sample, and see results online.

We may earn a commission when you order through our links. Your price is the same. Details

TestProviderPriceOrder
Chlamydia & Gonorrhea Combined Test STDcheck $99
$89 with code
Order
Chlamydia Test STDcheck $59
$49 with code
Order
HIV 1 & 2 Antibody Test STDcheck $49
$39 with code
Order
Syphilis Test STDcheck $49
$39 with code
Order
Herpes 1 & 2 Test STDcheck $79
$69 with code
Order
Full STD Panel Panel STDcheck $139
$129 with code
Order
Extended STD Panel Panel STDcheck $259 Order

See all 32 STD tests and panels →

Test centers in Saint Louis

The 10 centers STDcheck and HealthLabs list in Saint Louis, across ZIP codes 63108, 63109, 63117, 63119, 63126, 63128, 63141. Hours are as listed by the providers on October 27, 2026; check before you go.

Quest DiagnosticsSat hours
40 N Kingshighway, Saint Louis, MO 63108
Mon-Fri 7:00 AM-3:30 PM, Sat 7:00 AM-1:00 PM
LabcorpSat hours
6555 Chippewa St, Ste 150, Saint Louis, MO 63109
Mon-Fri 7:00 AM-4:00 PM, Sat 8:00 AM-12:00 PM
LabcorpSat hours
1035 Bellevue Ave, Ste 314, Saint Louis, MO 63117
Mon-Fri 8:00 AM-5:00 PM, Sat 8:00 AM-12:00 PM
Quest Diagnostics
7345 Watson Rd, Lower Level Section 2, Saint Louis, MO 63119
Mon-Fri 7:30 AM-5:00 PM
LabcorpSat hours
28 Ronnies Plz, Saint Louis, MO 63126
Mon-Fri 7:00 AM-5:00 PM, Sat 8:00 AM-12:00 PM
Quest DiagnosticsSat hours
9950 Kennerly Rd, Saint Louis, MO 63128
Mon-Fri 6:00 AM-5:30 PM, Sat 7:00 AM-1:00 PM
Quest DiagnosticsSat hours
12700 Southfork Rd, Ste 150, Saint Louis, MO 63128
Mon-Fri 6:00 AM-5:00 PM, Sat 7:00 AM-12:00 PM
LabcorpSat hours
747 N New Ballas Rd, Saint Louis, MO 63141
Mon-Fri 8:00 AM-4:30 PM, Sat 8:00 AM-12:00 PM
Quest DiagnosticsSat hours
621 S New Ballas Rd, Suite 23, Saint Louis, MO 63141
Mon-Fri 6:30 AM-5:00 PM, Sat 8:00 AM-12:00 PM
Quest Diagnostics
701 S New Ballas Rd, Saint Louis, MO 63141
Mon-Fri 7:00 AM-4:30 PM

Source: STDcheck and HealthLabs test-center finder, checked October 27, 2026. SafeHealthCheck isn't affiliated with these labs; you don't book or pay at the center.

More test centers within 15 miles

Labcorp, Quest and partner labs used by STDcheck and HealthLabs. Your ZIP stays on your device.

Free and low-cost testing in Saint Louis

If cost is the main concern, public-health clinics in Missouri may offer free or lower-cost testing, usually with set hours or appointments. Ordering online is the faster option when you want to choose the time and place yourself.

Questions about STD testing in Saint Louis

How much does STD testing cost in Saint Louis?

Ordered online, single STD tests start at $39 with STDcheck's $10 coupon, and the Full STD Panel costs $139 ($129 with the code). The price is the same at all 10 Saint Louis test centers. Public-health clinics in Missouri may offer free or lower-cost testing.

Is there a Quest Diagnostics test center in Saint Louis?

Yes, 6: 40 N Kingshighway (ZIP 63108); 7345 Watson Rd, Lower Level Section 2 (ZIP 63119); 9950 Kennerly Rd (ZIP 63128); 12700 Southfork Rd, Ste 150 (ZIP 63128); 621 S New Ballas Rd, Suite 23 (ZIP 63141); 701 S New Ballas Rd (ZIP 63141).

Is there a Labcorp test center in Saint Louis?

Yes, 4: 6555 Chippewa St, Ste 150 (ZIP 63109); 1035 Bellevue Ave, Ste 314 (ZIP 63117); 28 Ronnies Plz (ZIP 63126); 747 N New Ballas Rd (ZIP 63141).

Which Saint Louis test center opens earliest?

The Quest Diagnostics at 9950 Kennerly Rd opens at 6:00 AM (Mon-Fri 6:00 AM-5:30 PM, Sat 7:00 AM-1:00 PM). The latest closing time listed is 5:30 PM, at the Quest Diagnostics on 9950 Kennerly Rd.

Are any Saint Louis test centers open on Saturday?

Yes: Quest Diagnostics, 40 N Kingshighway; Labcorp, 6555 Chippewa St, Ste 150; Labcorp, 1035 Bellevue Ave, Ste 314; Labcorp, 28 Ronnies Plz; Quest Diagnostics, 9950 Kennerly Rd; Quest Diagnostics, 12700 Southfork Rd, Ste 150; Labcorp, 747 N New Ballas Rd; Quest Diagnostics, 621 S New Ballas Rd, Suite 23. Hours can change, so check before you go.

STD testing near Saint Louis

All STD testing locations in Missouri → · All states →

SafeHealthCheck is a comparison site, not a clinic or lab. Prices come from each provider's website and can change; the provider's checkout shows the final price. SafeHealthCheck does not provide medical advice.