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HelpTest ID BLOD1186 Von Willebrand Factor Activity
Specimen Type/Requirements
Blue top (Sodium Citrate) tube - platelet-poor plasma
This tube requires its own frozen aliquot.
Test is affected by gross hemolysis and gross lipemia.
Specimen Volume
| Preferred Volume | 1.0 mL |
|---|---|
| Minimum Volume | 0.5 mL |
Performed Test Frequency
Sioux Falls: Monday and Thursday
Fargo: Monday, Wednesday, Friday
Methodology
Latex enhanced Immunoassay - Sioux Falls
Turbidimetric, latex-based assay - Fargo
Performing Lab
Sanford Laboratories Sioux Falls, Fargo
CPT
85397
Interface Build Information
| Result Code | Result Code Description |
|---|---|
| 18300 | Von Willebrand Activity |
Stability/Transport
| Room Temperature | 4 hours | |
|---|---|---|
| Refrigerated | Not Acceptable | |
| Frozen | 1 month | Preferred for transport |