Factor VIII, Inhibitor F8IN
One 2.7 mL light blue (sodium citrate) top tube. Must submit two frozen aliquot tubes.
Specimens that cannot be shipped to the laboratory to arrive within 2 hours of collection must have platelet-poor plasma aliquoted into two tubes and sent frozen to the laboratory. See Collection and Processing of Coagulation Specimens information (link below).
Specimens that are clotted, hemolyzed, collected in wrong tube, less than 90% filled or non-frozen plasma.
|Schedule||Testing is batched and performed once a week|
|Notes||Testing cannot be performed if Factor VIII activity is greater than 3U/dL.|
|Preferred Specimen Collection Device(s)|
Less than 0.6 Bethesda units.