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von Willebrand Disease (VWF) Sequencing
3004379
Copy Utility
Ordering Recommendation
Molecular test to confirm a phenotypic diagnosis of von Willebrand disease (VWD) types 1, 2A, 2B, 2M, 2N, or 3. May also be used as carrier screening for autosomal recessive forms of VWD.
Mnemonic
VWF NGS
Methodology
Massively Parallel Sequencing
Performed
Varies
Reported
14-21 days
New York DOH Approval Status
Specimens from New York clients will be sent out to a New York DOH approved laboratory, if possible.
Specimen Required
Patient Preparation
Collect
Lavender (EDTA) or yellow (ACD solution A or B).
Specimen Preparation
Transport 3 mL whole blood. (Min: 3 mL)
Storage/Transport Temperature
Refrigerated.
Unacceptable Conditions
Serum or plasma; grossly hemolyzed or frozen specimens
Remarks
Stability
Ambient: 72 hours; Refrigerated: 2 weeks; Frozen: Unacceptable
Reference Interval
By report
Interpretive Data
Refer to report.
Compliance Category
Laboratory Developed Test (LDT)
Note
Gene Tested: VWF (NM_000552)
Exons 26 and 34 are not covered by sequencing, and deletion/duplication analysis is not available for this gene.
Hotline History
Hotline History
Date of Change
Test Name Change
Methodology
Performance/Reported Schedule
Specimen Requirements
Reference Interval
Interpretive Data
Note
CPT Code
Component Change
Other Interface Change
New Test
Inactive
N/A
CPT Codes
81408
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 3004380 | von Willebrand Disease Specimen | 66746-9 |
| 3004381 | von Willebrand Disease Interp | 40970-6 |
* 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 disease (VWD)
- von Willebrand factor deficiency
- VWD type 1
- VWD type 2
- VWD type 2A
- VWD type 2M
- VWD type 3
- VWD type B
- VWF gene
von Willebrand Disease (VWF) Sequencing
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