von Willebrand Factor Profile - Machaon Diagnostics
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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