Factor VIII, Inhibitor F8IN
Method(s) | Clotting Assay |
---|---|
Specimen Required | |
Collect | One 2.7 mL light blue (sodium citrate) top tube. Must submit two frozen aliquot tubes. |
Transport | **TIME SENSITIVE** |
Remarks | 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). |
Unacceptable Conditions | 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 |
Billing Code | 5011067 |
CPTCode | 85335 |
Notes | Testing cannot be performed if Factor VIII activity is greater than 3U/dL. |
Preferred Specimen Collection Device(s) | |
Reference Interval | |
Less than 0.6 Bethesda units. |