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Test ID: VWFAG

Von Willebrand Factor Antigen, Plasma

Test Overview

Clinical Utility

This assay is included in Von Willebrand Assessment (separate listing).

Result Included

Von Willebrand Factor Antigen

Specimen

Specimen Type

Plasma (Citrate)

Volume

Sample Volume

2 mL

Collection & Handling

Handling Information

Prepare platelet poor plasma and separate into three plastic vials. Freeze immediately. Store and send frozen.

Rejection Criteria

Criteria Specification
Specimen Not frozen

Performance & Interpretation

Turnaround Time

5 days

Results

Name
Units
Reference Range
Conversion
  1. Von Willebrand Factor Antigen
    U/mL
    Blood Group O: 0.45 - 1.45

    Other blood Groups: 0.50 - 2.00
    % x 0.0100

Referral Location

Canada

Test Version

Last Updated

2020-09-15