Testing Locations » California » Long Beach CA » Quest Diagnostics – Long Beach Downey Avenue – Employer Drug Testing Not Offered Quest Diagnostics – Long Beach Downey Avenue – Employer Drug Testing Not Offered Quest Diagnostics – Long Beach Downey Avenue – Employer Drug Testing Not Offered5830 Downey AveLong Beach, CA 90805-4517 United States Corner of Downey Ave and South Street.
