Test directory: von Willebrand Collagen Binding

Ordering Code 8532
Test Name von Willebrand Collagen Binding
Alias von Willebrand Factor Collagen Binding Assay
vWF Collagen Binding Activity, CBA
Preferred Specimen Plasma
Preferred Container Citrate, 3.2% (Lt Blue)
Optimum Volume 1 mL
Handling Instructions Separate and freeze immediately.
Transport Requirements Oahu: Frozen
Airline: Frozen
Specimen Stability Ambient: 24 Hours
Refrigerated 24 Hours
Frozen: 21 Days
Rejection Criteria Hemolyzed, Icteric, Lipemic
Avail. Stat NO
Analytic Time 14 Days
Methodology Enzyme Linked Immunosorbent Immunoassay (ELISA)
Reference Lab  Quest Diagnostics Infectious Disease

Reference range(s)

The reference ranges listed below are valid on this date of March 14, 2026.
Component Age Male Norm Male Critical Low Male Critical High Female Norm Female Critical High Female Critical Low Units Add'l info
vWf: Collagen Binding ALL See report.
Ratio (CBA/vW Ag) ALL See report.