Blood tests in Houston, TX: Quest Diagnostics and Labcorp locations near you
There are 24 Quest Diagnostics and Labcorp patient service centers within 20 miles of downtown Houston; the nearest is Quest Diagnostics at 1431 Studemont St, Ste 700, Houston, about 1 mile from the center. Order your tests online, choose Quest or Labcorp at checkout, and walk into any of them with the emailed requisition and a photo ID — no doctor's visit, referral or insurance. Results post to your portal in 1–3 business days. Locations, hours and phone numbers below were checked September 27, 2026.
- Locations
- 24 within 20 mi
- Labs
- Quest Diagnostics · Labcorp
- Appointment
- Walk-ins at most sites
- Per-order fee
- $6, nothing at the draw
Quest Diagnostics locations near Houston (12)
Sorted by distance from downtown Houston (ZIP 77002). Hours as listed by the lab on September 27, 2026; confirm before a Saturday or holiday visit.
Quest Diagnostics
1 mi1431 Studemont St, Ste 700, Houston, TX 77007
Mon–Fri 8:00AM – 12:30PM;1:30PM – 5:00PM · Sat–Sun closed
Quest Diagnostics
2 mi1200 Binz St, Ste 115, Houston, TX 77004
Mon–Fri 7:30AM – 5:00PM · Sat–Sun closed
Quest Diagnostics
3 mi6410 Fannin Street, Suite 220, Houston, TX 77030
Mon–Fri 8:00AM – 5:00PM · Sat–Sun closed
Quest Diagnostics
4 mi7400 Fannin Street, Suite 180, Houston, TX 77054
Mon–Thu 8:30AM – 5:30PM · Fri 8:30AM – 3:00PM · Sat–Sun closed
Quest Diagnostics
4 mi3131 W Holcombe Blvd, Houston, TX 77025
Mon–Fri 8:00AM – 12:00PM;1:00PM – 5:00PM · Sat 8:00AM – 12:00PM · Sun closed
Quest Diagnostics
5 mi1631 North Loop W, Ste 170, Houston, TX 77008
Mon–Fri 7:30AM – 5:00PM · Sat–Sun closed
Quest Diagnostics
5 mi1919 North Loop W, Suite 125, Houston, TX 77008
Mon–Fri 7:00AM – 5:00PM · Sat 8:00AM – 12:00PM · Sun closed
Quest Diagnostics
6 mi6700 W. Loop S, Ste 320, Bellaire, TX 77401
Mon–Fri 8:00AM – 5:00PM · Sat–Sun closed
Quest Diagnostics
6 mi8610 Martin Luther King Blvd, Suite B, Houston, TX 77033
Mon–Tue 8:30AM – 5:30PM · Wed 8:30AM – 3:00PM · Thu–Fri 8:30AM – 5:30PM · Sat–Sun closed
MRZ Medical - MRZ Medical
9 mi7777 Southwest Fwy, Ste 640, Houston, TX 77074
Mon–Thu 8:00AM – 5:00PM · Fri 8:00AM – 1:00PM · Sat–Sun closed
Quest Diagnostics
9 mi7737 Southwest Fwy, Ste 940, Houston, TX 77074
Mon–Fri 8:00AM – 4:30PM · Sat–Sun closed
Quest Diagnostics
10 mi8200 Wednesbury Lane, Suite 450, Houston, TX 77074
Mon–Fri 7:30AM – 5:00PM · Sat 8:00AM – 12:00PM · Sun closed
Labcorp locations near Houston (12)
Sorted by distance from downtown Houston (ZIP 77002). Hours as listed by the lab on September 27, 2026; confirm before a Saturday or holiday visit.
Labcorp
2 mi1200 Binz St, Ste 140, Houston, TX 77004
Mon–Fri 8:00AM – 5:00PM · Sat–Sun Closed
LABCORP
4 mi427 W 20th St, Ste 504, Houston, TX 77008
Mon 8:00AM – 4:30PM · Tue–Fri 7:30AM – 4:30PM · Sat–Sun Closed
Labcorp
4 mi7400 Fannin St, Ste 145, Houston, TX 77054
Mon–Fri 8:00AM – 5:00PM · Sat–Sun Closed
Labcorp
5 mi1919 North Loop W, STE 172, Houston, TX 77008
Mon 8:00AM – 4:30PM · Tue–Fri 7:30AM – 12:00PM,1:00PM – 4:30PM · Sat–Sun Closed
LABCORP
7 mi5420 DASHWOOD DR, Suite 205, HOUSTON, TX 77081
Mon–Fri 8:00AM – 5:00PM · Sat–Sun Closed
Labcorp
10 mi8313 Southwest Fwy, Ste 201, Houston, TX 77074
Mon–Fri 8:00AM – 12:00PM;1:00PM – 5:00PM · Sat–Sun Closed
Labcorp
10 mi855 Frostwood Dr, Houston, TX 77024
Mon–Thu 7:00AM – 5:00PM · Fri 7:00AM – 4:30PM · Sat–Sun Closed
LABCORP AT WALGREENS
11 mi388 Uvalde Rd, Houston, TX 77015
Mon–Fri 8:00AM – 12:00PM;1:00PM – 4:30PM · Sat–Sun Closed
Labcorp
12 mi10970 Shadow Creek Pkwy, STE 260, Pearland, TX 77584
Mon–Fri 8:00AM – 4:30PM · Sat 8:00AM – 12:00PM · Sun Closed
Labcorp
13 mi7207 Gessner Rd, Houston, TX 77040
Mon–Fri 8:00AM – 12:30PM;1:30PM – 3:30PM · Sat–Sun Closed
Labcorp
13 mi12121 Westheimer Rd, Ste 203, Houston, TX 77077
Mon–Fri 8:00AM – 5:00PM · Sat–Sun Closed
Labcorp
14 mi5233 Fairmont Pkwy, Ste A, Pasadena, TX 77505
Mon–Fri 8:00AM – 4:30PM · Sat–Sun Closed
How to get a blood test in Houston
- Choose your tests — single markers or a panel — and check out. A licensed physician reviews and authorizes the order, usually within minutes, and the requisition is emailed to you.
- Walk into any Quest Diagnostics and Labcorp location above for the lab you picked at checkout. Bring the requisition (on your phone is fine) and a photo ID. Fasting tests are easiest first thing in the morning; most centers open by 7 a.m.
- Results post to your TestWell portal in 1–3 business days with reference ranges and a physician review, and you can download the report to share with your own doctor.
Most-ordered tests in Texas
Share of TestWell orders from Texas that included each item, September 2025 – September 2026.
| Test | Price | Share of orders |
|---|---|---|
| TSH + Free T4 | $27.99 | 11.4% |
| Comprehensive Metabolic Panel | $22.99 | 9.5% |
| Tuberculosis (TB) Blood Test | $91.99 | 9.5% |
| CBC with Differential | $21.99 | 7.6% |
| IGF-1 (Insulin-like Growth Factor) | $37.99 | 7.6% |
| Hemoglobin A1c | $21.99 | 5.7% |
| Vitamin B12 | $25.99 | 5.7% |
| Essential Health Panel | $189.99 | 4.8% |
Frequently asked questions
- Do I need an appointment for a blood draw in Houston?
- Most Quest Diagnostics and Labcorp patient service centers in Houston take walk-ins; Quest and Labcorp also let you book a time slot on their sites, which shortens the wait at busy locations. Order your test on TestWell first — the physician-authorized requisition is emailed within minutes — then bring it and a photo ID to any location listed here.
- Can I get blood work in Houston without a doctor or insurance?
- Yes. Texas allows direct-access testing, and TestWell's licensed physician network authorizes every order as part of the price. Order online, choose Quest or Labcorp at checkout, and walk into any location listed here — no insurance, referral or office visit, with HSA and FSA cards accepted.
- How much does a blood test cost in Houston?
- The same as everywhere on TestWell: the test's listed price plus one $6 lab processing fee per order, with no draw fee or physician fee at the location. Common tests such as a CBC, CMP or TSH are in the low tens of dollars; panels bundle several tests at a discount. Prices are on each test page and are the same at every Houston location.
- Which location should I choose — Quest Diagnostics or Labcorp?
- Whichever is closer or has hours that fit. Quest Diagnostics and Labcorp are both CLIA-certified national laboratories and results are clinically equivalent; a few specialty tests are available at only one of them, which the test page states. Pick the lab at checkout and the requisition is written for that network.
- How long do results take from a Houston draw?
- Most routine results post to your TestWell portal in 1–3 business days after the draw, with each value shown against its reference range and reviewed by a physician; specialty tests take longer, and each test page states its turnaround.