Los Angeles County
Department of Public Health
Public Health Laboratory

12750 Erickson Avenue
Downey, CA 90242

Telephone: (562) 658-1300
Fax: (562) 401-5999

Monday - Friday
8:00 AM to 5:00 PM

Saturday
8:00 AM - 4:30 PM

To protect the health of county residents through the provision of state of the art high quality and cost effective laboratory reference, surveillance, diagnostic and consultative services.

Los Angeles County residents are protected from diseases caused by harmful biological and chemical agents through Public Health Laboratory state of the art monitoring and testing.

             For more information on the philosophy behind the lab, read  Public Health Laboratory - A Mandated Function

State of California Approved Public Health Laboratory CACPHL335637

CLIA 88 - High Complexity Testing Laboratory Certificate 05D1066369

Environmental Laboratory Certificate ELAP # 1398