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WestPac Labs is a network of three clinical and anatomic pathology laboratories with an unwavering commitment to our clients and the patients who we are privileged to serve.

With laboratories located on the Central Coast in San Luis Obispo, CA , Bakersfield, CA and Los Angeles,  we have conveniently located Patient Service Centers and a vast network of couriers to meet our clients’ local needs.

We are dedicated to the principles of excellence and consistency in all areas of laboratory operations.

Our testing expertise include Clinical Chemistry, Endocrinology, Hematology, Urinalysis, Immunology, Serology, Microbiology, Virology, Oncology, Toxicology, Coagulation and Anatomical and Molecular Pathology.


10200 Pioneer Blvd., Suite 500 
Santa Fe Springs, CA 9067


877.537.LABS (5227)