von Willebrand Disease (VWF) Sequencing
Test Mnemonic
VWFSEQ
CPT Codes
- 81408 - QTY (1)
Performing Laboratory
ARUP
FDA Category
Laboratory Developed Test
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 3 mL | Whole blood | Lavender EDTA | Refrigerated |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 3 mL | Whole blood | ACD A or B (Yellow) | Refrigerated |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 3 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Refrigerated | 1 week |
| Ambient | 72 hours |
| Frozen | Unacceptable |
Days Performed
Varies
Turnaround Time
3 - 4 weeks
Methodology
| Name | Description |
|---|---|
| Massive Parallel Sequencing |
Special Info
Serum, plasma, grossly hemolyzed or frozen specimens will be rejected.
Clinical Info
Must submit Patient History for von Willebrand (VWD) Testing form with order. Informed consent forms are recommended and available through Client Services at 216.444.5755 or 800.628.6816.
Clinical Limitation
Exons 26 and 34 are not covered by sequencing, and deletion/duplication analysis is not available for this gene.