Testing Locations » Texas » Bellaire TX » Quest Diagnostics – West Loop South – Employer Drug Testing Not Offered Quest Diagnostics – West Loop South – Employer Drug Testing Not Offered Quest Diagnostics – West Loop South – Employer Drug Testing Not Offered6565 West Loop SouthSte 302Bellaire, TX 77401-3500 United States PSC located on the West Loop South feeder road between Bellaire Blvd. and Bissonnet St.
