von Willebrand's Factor Activity
- LIS Mnemonic: VWAC
Collect
Blue (Sarstedt - Sodium citrate)
Volume Required
One completely filled tube
Minimum Required
One completely filled tube
Transport
Room temperature
Stability
Specimen must be received within 4 hours of collection.
Unacceptable conditions
Inadequately filled specimens; hemolyzed/clotted specimens.
Days Performed
Monday - Friday
Reported
5 Days
Reflex Testing
N/A
CPT
85245
Remarks
Used for diagnosis of von Willebrand disease
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