Methodology
Electrophoresis/Clotting/Microlatex Particle-Mediated Immunoassay/Platelet Agglutination
Synonyms
vWF
Specimen Type
Plasma
Performing Lab
ARUP
Epic ID
Other Reference Test
Lab Test Days
Monday-Saturday
Standard TAT
1-11 Days
Collection Information
Specimen Required
(two) 1.8 mL or (one-two) 2.7 mL Blood
Container Type
Sodium Citrate (Blue-Top) Tube
Processing Information - Lab Use Only
Transport Temperature
Frozen-Only
Specimen Stability
Room Temp: 4 Hours; Refrigerated: Unacceptable; Frozen: 3 Months (preferred)
Rejection Criteria
Serum; EDTA Plasma; Clotted; Hemolyzed
Test Volume Required
3 mL Platelet-Poor Plasma
Minimum Test Volume
1.5 mL Platelet-Poor Plasma
Processing Instructions
Complete an ARUP requisition and submit with samples frozen. Send with ARUP courier Monday-Friday at 1300.
CPT Codes
85247, 85240, 85246, 85245 (not genetic)
Revised
11/4/25
Initials
SA