According to our records, this business is located at 6475 Washington St. in Gurnee (in Lake County), Illinois 60031, the location GPS coordinates are: 42.3635503 (latitude), -87.9618871 (longitude). Quest Diagnostics is categorized under Health Services (SIC code 8099). Known organization principal is Kamaria Reed. You can contact the company by phone at (847) 856-3967.