Why Choose Our Partner Clinics
How to Get Drug Testing in Houston
Order Online
Select your test and choose Houston location
Visit Clinic
Go to the lab at your convenience - walk-ins welcome
Quick Test
10-15 minute appointment, no wait times
Get Results
Secure online results in 1-3 business days
Testing Locations in Houston
Labcorp
7207 Gessner Rd, Houston, TX 77040, USA, Houston, TX
(713) 561-4453
Labcorp
1200 Binz St Ste 140, Houston, TX 77004, USA, Houston, TX
(713) 526-1423
Labcorp
427 W 20th St Ste 504, Houston, TX 77008, USA, Houston, TX
(713) 869-7206
Labcorp
7400 Fannin St Ste 145, Houston, TX 77054, USA, Houston, TX
(713) 796-9289
Labcorp
7500 Fannin St #250, Houston, TX 77054, USA, Houston, TX
(713) 424-7660
Quest Diagnostics
1200 Binz St Ste 115, Houston, TX 77004, USA, Houston, TX
(713) 527-8058
Frequently Asked Questions
How long do drugs stay in your system?
Detection windows vary: urine tests detect most drugs for 3-30 days, while hair tests can detect use for up to 90 days.
Is drug testing confidential?
Yes, all drug testing is confidential. Results are only shared with you and any authorized parties you designate.