Methodology
Binding Assay, Clotting, ELISA
Synonyms
Factor VIII; Factor 8; Von Willebrand Disease; Von Willebrand Factor; VWD; VWF
Specimen Type
Plasma
Performing Lab
Versiti Wisconsin Hemostasis
Epic ID
Other Reference Test
Lab Test Days
Monday-Friday
Standard TAT
7-10 Days
Collection Information
Specimen Required
(two-three) 1.8 mL or (two) 2.8 mL Blood
Container Type
Light Blue (Sodium Citrate)
Processing Information - Lab Use Only
Transport Temperature
Frozen-Only
Test Volume Required
(x3) 0.5 mL Platelet-Poor Plasma
Minimum Test Volume
(x2) 0.4 mL Platelet-Poor Plasma
Processing Instructions
Complete a Versiti Wisconsin Hemostasis requisition and submit with specimen frozen Monday-Friday.
Included Tests
Factor VIII Activity, VWF Antigen and VWD Type 2N Binding.
CPT Codes
85240 (x2), 85246 (x2)
Revised
08-20-19
Initials
SL