Home
HelpCatalog ID vWF Von Willebrand Assay
CPOE Test Name
von Willebrand Activity Level
Synonyms
vWF; Activity Level
Specimen Type
Plasma
Specimen Requirements
Light Blue Top (Sodium Citrate) tube; 2.7 mL blood
Causes for Rejection
Tube improperly filled, clotted, hemolysis; improper labeling; delay in transport
Turn Around Time
Batch testing
CPT / HCPCS Code
85245
Performing Lab
Core Laboratory BI 2023 721-2120
Storage and Transport
Room temperature. Transport to the lab immediately.
Special Instructions
Always allow blue top/citrate tubes to fill completely.
Reference Range
50 - 150 %
Test Consists
Quantification of von Willebrand factor activity level
CPT/HCPCS Code
85245