Methodology
Latex-based turbidimetric
Specimen Type
blood
Performing Lab
LabCorp
Epic ID
Other Reference Test
Standard TAT
4 to 7 days
Collection Information
Container Type
Light Blue Na Citrate
Processing Information - Lab Use Only
Transport Temperature
Frozen-Only
Specimen Stability
Frozen=1 month
Test Volume Required
1.5 mL plasma
Minimum Test Volume
0.8 mL plasma
Comments
This test is used for quantitative determination of the von Willebrand factor-GPIb activity and can be used as an aid in the evaluation of patients with suspected or confirmed von Willebrand factor disorders.
CPT Codes
85397 (not genetic)
Revised
7/3/25