Bloodworks Northwest Laboratories

Hemostasis Reference Laboratory

Sample Requirements

Test 3.2% Sodium Citrated Sample
(blue top)
Whole Blood EDTA
(purple top)
Sample Age Comments
All Coagulation Testing other than Platelet Aggregation or DNA test. 1-2 Tubes
5 ml ea. as whole blood OR
1 ml plasma into 4 plastic tubes. See Comments
Less or equal to 3 hours, sent at room temp (18-25°C) OR
Frozen Plasma, Sent on Dry Ice
Centrifuge tubes (2X) at 1500g for 15 minutes and aliquot plasma.
Platelet Aggregation n/a n/a See comments Drawn at the Blood Center. Call Hemostasis Laboratory at 206-689-6594 to Schedule an Appointment.
PFAs 1-2 Tubes
5 ml ea. as whole blood
5 ml Less or equal to 2 Hours SENT AT ROOM TEMP (18-25°C) Special shipping procedure required call 206-689-6594 for instructions. Must be received within 2 hours of draw OR Drawn at the Blood Center. Call Hemostasis Laboratory at 206-689-6594 to Schedule an Appointment.
DNA Testing
DNA/Factor V Leiden Mutation; DNA/Factor II Mutation Testing n/a 5 ml 48 Hours
(4°C)
Hemophilia A or B Mutation; DNA VWD Mutation n/a minimum 3 ml 72 Hours
(4°C)
Fetal Cell Genotyping n/a n/a n/a 2 confluent T-25 flasks, cultured amniocytes

Transporting Samples

All samples must be sent in a sealed, leak-proof container marked with a biohazard sticker to comply with OSHA safety standards to:

Bloodworks Eastlake Genomics Lab
1551 Eastlake Ave E. Suite 100
Seattle, WA 98102
Phone: 206 568-2184
Fax: 866-560-0806

Your gift of blood, time or money saves lives.