Home
Career Stage
Medical Students Residents Attendings CPT Codes Resources Blog Support

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

Work RVU0.00
Practice Expense RVU0.00
Malpractice RVU0.00
Total RVU0.00

Specialties

Clinical PathologyCoagulationHematology

Track This Code in RVU Edge

Log procedures, calculate wRVUs, and benchmark against MGMA data — all in one app.

CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.