85246 Clot factor viii vw antigen
Pathology & Lab
Also known as: vWF:Ag, von Willebrand factor antigen
Measurement of von Willebrand factor antigen (vWF:Ag) in plasma using immunoassay to quantify von Willebrand factor protein concentration and assess factor VIII carrier protein levels.
Clinical Context
Evaluates von Willebrand disease, hemophilia A, and elevated vWF in inflammatory or thrombotic states; typically ordered as first-line testing for bleeding disorders.
RVU Breakdown
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Specialties
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