Factor VIII
| Factor 8, FVIII, Factor VIII:c | |
| Core Laboratory & Transfusion Medicine | |
| Hematology | |
| Blood | |
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FAC8
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MSH Coagulation requisition form (MS 520)
Plasma that is deficient in any of the factors in the intrinsic pathway will demonstrate a prolonged activated partial thromboplastin time (APTT). This assay is used to identify and monitor the treatment of patients with specific intrinsic factor deficiencies.
Plasma (3.2% Na Citrate)
Full draw
Send whole blood sample(s) at room temperature as soon as possible.
If specimens cannot be shipped immediately, centrifuge and separate plasma within 1 hour of collection, send frozen plasma on dry ice
If specimens cannot be shipped immediately, centrifuge and separate plasma within 1 hour of collection, send frozen plasma on dry ice
Fridge: N/A
Room Temperature: 2 hours
Freezer: - 20 °C 2 weeks - 70 °C 6 months
Automated Coagulation Analyzer
STAT: 24 hours, 7 days/week.
Routine: Samples are aliquotted and frozen. The assay is run in batches.
Routine: Samples are aliquotted and frozen. The assay is run in batches.
4 hours
1-2 weeks
Adult: 0.58 - 1.90 U/mL
Full-term Infant at Birth: 0.50 – 1.78 U/mL
Premature Infant of 30 to 36 Weeks gestational age: 0.50 – 2.13 U/mL
In case of discrepancies, always interpret results using reference ranges as stated on laboratory reports and/or electronic patient chart.
Full-term Infant at Birth: 0.50 – 1.78 U/mL
Premature Infant of 30 to 36 Weeks gestational age: 0.50 – 2.13 U/mL
In case of discrepancies, always interpret results using reference ranges as stated on laboratory reports and/or electronic patient chart.
416-586-4800 Extension 4688
Must indicate anticoagulant status