Not an initial test in the diagnosis of von Willebrand disease (VWD). Ordering should be limited to specialists. Supplementary test for the subclassification of established VWD.
Enzyme-Linked Immunosorbent Assay
Light Blue (CTAD).
Transfer 1 mL citrated plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)
Test is not performed at ARUP; separate specimens must be submitted when multiple tests are ordered.
Ambient: 24 hours; Refrigerated: 24 hours; Frozen: 3 weeks
Performed by non-ARUP Laboratory
|Component Test Code*||Component Chart Name||LOINC|
|2007137||VWF Collagen Binding||50377-1|
Quest Diagnostics San Juan Capistrano Inc.