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Test Code F8 Inversion Factor 8 Inversion DNA

Clinical System Name

Factor 8 Inversion DNA


DNA Factor VIII Inversion

Bloodworks Northwest F8 Inversion

Sample Requirements

Specimen: Whole Blood

Container(s): Lavender/EDTA

Preferred Vol: 10 mL

Minimum Vol: 5 mL


Note: BWNW Hemostasis Requisition must be completed and accompany specimen to lab. Send tubes to lab immediately. Analysis of amniocytes can be performed on cultured amniocytes. Two T-25 flasks of cells cultured to confluency will be accepted.


Processing Instructions

Reject due to:

Spin: N

Aliquot: N

Temp: RT

Storage location: Give whole blood to Send Outs. Store extra labels and copy of requisition in the send outs box attached to CPA refrigerator.


Off-site collection:


STAT Performed TAT
N Daily 1 - 2 w


Performing Laboratory

Bloodworks Northwest

Hemostasis Laboratory
921 Terry Ave
Seattle WA 98104

Phone: (206) 689-6594


Department: Send Outs


Phone: (206) 987-2563

Reference Range

Interpretive report provided.


Method: None specified

Analytical Volume: None specified


CPT Codes


Send Out Instructions

Reference Test Name: DNA/Factor VIII Inversion
Reference Test Number: 3250-05
Instructions: Send sample and requisition to Bloodworks Northwest via courier.