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Public Health Regional Laboratory

Our team of health professionals provides specimen testing services to the counties of Sonoma, Mendocino, Lake and Humboldt in Northern California.

Led by Rachel Rees DrPH, PHM, PHLD (ABB), 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.

New - Respiratory Pathogens Panel available. More Information

Novel Coronavirus Information

Coronavirus
Testing at the Sonoma County Public Health Lab is available only with Disease Control approval. Once approved, contact the lab at (707) 565-4711 to set up electronic ordering via our web portal.

Novel Coronavirus Specimen Guidelines

Featured Tests for Consumers

Tick Test

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Tick Test

Test for lyme organism in ticks. Includes specimen storage and transport instructions.

Water Test

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Water Test

Test for the detection and confirmation of total coliforms and E. coli in well water.