Ordering Recommendation

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.

Mnemonic
VWF C BIND
Methodology

Enzyme-Linked Immunosorbent Assay

Performed

Varies

Reported

7-13 days

New York DOH Approval Status
Specimens from New York clients will be sent out to a New York DOH approved laboratory, if possible.
Specimen Required
Patient Preparation
Collect

Light Blue (CTAD).

Specimen Preparation

Transfer 0.5 mL citrated plasma to an ARUP Standard Transport Tube. (Min: 0.3 mL)
Test is not performed at ARUP; separate specimens must be submitted when multiple tests are ordered.

Storage/Transport Temperature

CRITICAL FROZEN.

Unacceptable Conditions

Hemolyzed specimens.

Remarks
Stability

Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 2 weeks

Reference Interval

By report

Interpretive Data



Compliance Category

Performed by non-ARUP Laboratory

Note
Hotline History
N/A
CPT Codes

83520

Components
Component Test Code* Component Chart Name LOINC
2007137 von Willebrand Factor Collagen Binding 50378-9
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
von Willebrand Factor Collagen Binding

Versiti Wisconsin, Inc