Test Overview
Result Included
Coagulation Factor VIII; Von Willebrand Factor Antigen; Von Willebrand Ristocetin Co-Factor
Specimen
Specimen Type
Plasma (Citrate)Volume
Sample Volume
2 mL
Collection & Handling
Handling Information
Prepare platelet poor plasma. Separate and freeze immediately. Store and send frozen.
Additional Information
Indicate if patient is diagnosed or treated for Von Willebrand’s Disease.
Rejection Criteria
| Criteria | Specification |
|---|---|
| Specimen | Not frozen |
Performance & Interpretation
Turnaround Time
10 days
Referral Location
Canada
Interface & Setup
HL7 Interface Codes
| Order Code | Result Name | Result Codes | Units |
|---|---|---|---|
| MULTPRO | VON WILLEBRAND FACTOR MULTIMERS | 28728 | |
| VWF ANTIGEN | 2535 | U/mL | |
| VWF:GPIBR | 64491 | U/mL | |
| VWF ACT/AG RATIO | 64611 |
Test Version
Last Updated
2023-07-20