Test Directory
von Willebrand Factor Profile
Justification
Von Willebrand Disease is a common disorder seen in up to 1-2% of the general population. Often multimeric analysis will help distinguish between known variants of the disease.
STAT: < 24 hours (7 days a week)
Clot-based, LIA, Platelet Agglutination
Draw Tube: Blue Top
Sample Type: Citrated Plasma
Specimen Requirements
Sample Type | Volume Required | Minimum Volume | Stability | |
---|---|---|---|---|
PREFERRED | Citrated Plasma | Three aliquots, 1mL each | Three aliquots, 0.5mL each | Room Temp.: 2 hours Refrigerated: 2 hours Frozen (-20C): 2 weeks Frozen (-80C): 6 months |
ALTERNATIVE | - | - | - | - |
REJECTION CRITERIA | Thawed in transit, refrozen or clotted sample |
SPECIAL INSTRUCTIONS | - |
General Information
METHODOLOGY | Clot-based, LIA, Platelet Agglutination |
STAT TAT | < 24 hours (7 days a week) |
STAT TAT Performance | > 90% of results released in 24 hours 7 days a week |
ROUTINE TAT | < 1 week |
ALTERNATIVE NAMES | VWF Profile, VWD Profile |
DESCRIPTION | von Willebrand Disease is a common disorder seen in up to 1-2% of the general population. Often multimeric analysis will help distinguish between known variants of the disease. |
LIMITATIONS | - |
NORMAL RANGE | Interpretation: Normal |
ASSOCIATED TESTING | - |
REFERENCES | - |
SAMPLE REPORT | Upon request |
NEW YORK STATE APPROVED | Yes |
Test Codes
ORDER CODE | P1184 |
CPT CODE | 85730, 85240, 85245, 85246 |
LOINC CODE | 14979-9, 3209-4, 6014-5, 27816-8, 6013-7 |