Testing Locations » North Carolina » Huntersville NC » Solstas / Quest Diagnostics – Huntersville – Employer Drug Testing Not Offered Solstas / Quest Diagnostics – Huntersville – Employer Drug Testing Not Offered Solstas / Quest Diagnostics – Huntersville – Employer Drug Testing Not Offered10030 Gilead RdPhysician's Plaza, Suite 240Huntersville, NC 28078-7545 United States Located in the Physician’s Plaza entrance of the Novant Hospital. Drug Screen Testing is not performed at this site.