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

3-9 days

New York DOH Approval Status

This test is New York DOH approved.

Specimen Required

Patient Preparation
Collect

Light Blue (CTAD).

Specimen Preparation

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.

Storage/Transport Temperature

CRITICAL FROZEN.

Unacceptable Conditions

Hemolyzed specimens.

Remarks
Stability

Ambient: 24 hours; Refrigerated: 24 hours; Frozen: 3 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 VWF Collagen Binding 50377-1
3003442 VWF Ratio 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 (VWF) Collagen Binding

Quest Diagnostics San Juan Capistrano Inc.