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Test Code LAB331 Von Willebrand Factor Activity

Specimen Type/Requirements

Blue top (Sodium Citrate) tube - Plasma, Double Spun Platelet Poor

 

See  Coagulation Testing and Platelet Poor Plasma Preparation

 

This tube requires its own frozen aliquot.

 

Test is affected by gross hemolysis and gross lipemia. 

Specimen Volume

 

 Preferred Volume     1.0 mL   

 

Stability/Transport

 

 Room Temperature     4 hours     
 Refrigerated     Not Acceptable     
 Frozen     1 month     Preferred for transport   

 

Performed Test Frequency

Monday and Thursday

Methodology

Latex enhanced Immunoassay

Performing Lab

Sanford Laboratories Sioux Falls

CPT

85397

Interface Build Information

Result Code  Result Code Description 
18300 Von Willebrand Activity