von Willebrand Factor Actual to Control Ratio Measurement

**Semantic type:** Laboratory Procedure

**Definition:** The determination of the ratio of the von Willebrand factor in a subject's specimen compared to a control sample. The measurement may be expressed as a ratio or percentage.

**Synonyms:** - VWFAC - vWF Actual to Control Ratio Measurement - von Will Factor Actual/Control - von Will Factor Actual/Control - von Willebrand Factor Actual/Control - von Willebrand Factor Actual/Normal - von Willebrand Factor Actual/von Willebrand Factor Control