Bloodworks Northwest Laboratories

Hemostasis Reference Laboratory


The Hemostasis Testing Laboratory employs testing procedures that meet the requirements, regulations and guidelines of the State of Washington Department of Health (Medical Test Site/CLIA). Additionally, the laboratory is licensed by the State of California for clinical laboratory testing.

Listed below are the most current Bloodworks Northwest Hemostasis Testing Laboratory accreditations and licenses. They may be printed for your records.

State of Washington Medical Test Site License Number — MTSC.FS.00004341
CLIA CLIA Certificate Number — 50D1014714
State of California Clinical Laboratory License, Lab ID Number — COS 00800234

For a complete listing of all Bloodworks Northwest Accreditations and Licensures, please see the Licenses and Accreditations page.

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