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Test Code Hem A UM Hemophilia A Mutation Evaluation

Clinical System Name

Hemophilia A Mutation Evaluation


Factor 8 Genotyping
Bloodworks Northwest Hem A Mut

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: 2 - 4 C

Storage location: CPA refrigerator, Send Outs rack and alert the Send Outs department.


Off-site collection:


STAT Performed TAT
N   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

None specified


Method: PCR + Sequencing

Analytical Volume:


CPT Codes


Send Out Instructions

Reference Test Name:

DNA Hemophilia A Mutation Screen

Reference Test Number: 3250-02
Instructions: Send sample and requisition to Bloodworks Northwest via courier. Ideal for sample to arrive within 48 hours; they will not reject the sample if it's greater than 48 hours old, but DNA yield could be less.