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Welcome to the Public Health Regional Laboratory!

The Public Health Regional Laboratory provides specimen testing services to the counties of Sonoma, Mendocino, Lake and Humboldt in Northern California. The laboratory's team of professionals is led by David Yong, Ph. D., HCLD, Director of Laboratory Services. The laboratory provides training and reference testing to clinical laboratories, and laboratory support for diagnosis and control of communicable diseases to private medical providers.

Mission Statement

The mission of the Public Health Regional Laboratory is to protect our community and environment from infectious disease and harmful substances through innovative science, education and technology in a respectful, timely and cost effective manner.