Von Willebrand Multimer
Test Mnemonic
VWFMUL
CPT Codes
- 85247 - QTY (1)
LOINC ®
32217-2
Aliases
- VWF Multimer Analysis
Performing Laboratory
n/a
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 mL | Platelet-poor plasma | Sodium citrate (Lt. Blue) | Frozen |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | Unacceptable |
| Refrigerated | Unacceptable |
| Frozen | 6 months |
Days Performed
Mon, Thu
Turnaround Time
7 - 14 days
Methodology
| Name | Description |
|---|---|
| Gel Electrophoresis |
Reference Range
Special Info
3.2% sodium citrate is the preferred anticoagulant recommended by NCCLS.
Clinical Info
To help in the diagnosis of various subtypes of von Willebrand disease. Suggest ordering the VWF panel for evaluation and classification of von Willebrand's disease.