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Many King County facilities are closed to the public. Learn how to access services remotely or while following social distancing guidelines.  
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Harborview Medical Center
Basement West Clinic Wing
325 9th Ave.
Seattle, WA 98104

Phone: 206-744-8950

Fax: 206-744-8963

Open: Monday - Friday, 8:00 AM to 4:30 PM

Share our site at www.kingcounty.gov/lab


The primary objective of the Public Health – Seattle & King County Laboratory is to assist in the prevention of disease spread.

This is accomplished by identifying patients and environmental samples which carry organisms that are potentially harmful to the health of the residents of King County. One of the ways to achieve this objective is for the public health laboratory to make available certain services to health care providers.

  • Test order form
    When submitting specimens to the public health laboratory, please complete a test order form and send with the specimen to the Public Health – Seattle & King County Laboratory located at Harborview Medical Center in the Basement of the West Clinic across the hall from the West Clinic Elevators. Specimens can also be dropped off at a health department specimen pickup station.

  • SARS-CoV-2 specimen collection instructions