What is the reference range for von Willebrand factor antigen (vWF:Ag)

Updated: Nov 05, 2019
  • Author: Vadim Kostousov, MD; Chief Editor: Eric B Staros, MD  more...
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Answer

Answer

Reference ranges are as follows [1, 2] :

  • Newborn < 6 mo: 60-190% (blood type O); 75-230% (non-O blood type)

  • Children 1-10 years: 50-150% (blood type O); 60-160% (non-O blood type)

  • Adults: 60-160% (blood type O); 70-200% (non-O blood type)


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