Contact Us

Our office hours are Monday- Friday 8am- 5pm. 

Afterhours always available by dialing any of the office numbers. 


Questions or concerns with billing? Email us here.

Complaints or compliments? Email us here.

Genesis Drug Testing
4100 San Bernardo Ave
Suite A6
Laredo, TX 78041 

Phone: 956-523-0017 


Genesis Drug Testing
2000 SE Loop 410

Suite # 127             

 San Antonio, TX 78220 

Phone: 210-337-0017 


Genesis Drug Testing  

 1713 HWY 97

 Pleasanton, TX 78064

Phone: 830-569-8443


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