Testing Locations » Georgia » Decatur GA » Quest Diagnostics – Decatur Psc – Employer Drug Testing Not Offered Quest Diagnostics – Decatur Psc – Employer Drug Testing Not Offered Quest Diagnostics – Decatur Psc – Employer Drug Testing Not Offered497 Winn WaySte 115Decatur, GA 30030-1711 United States Dekalb Medical Hospital