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.

No Appointment Necessary
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11 Patient Service Centers in Central New York.

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