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Holiday schedule

Our Patient Service Centers will be closed on Monday, September 1, 2025 in observance of the Labor Day holiday.  Have a healthy, happy holiday.

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LOCATION INFORMATION

1737 Airport Way S
Suite 200
Seattle, WA 98134
(206) 623-8100

Making a Difference Every Single Day

3M

Tests are performed annually across the nation

2,563

We have locations across the United States

3,000+

Tests available for all kinds of conditions and specialties

491

We serve many different organizations and industries