Factor VIII antigen

Alphabetical Test listing

Factor VIII antigen-994

  
Factor VIII antigen
  
994
  
LAB994
  
MSO
  
Factor 8 Ag
Factor 8 antigen
FVIII quantitation (non-functional)
  

Quantitate the amount of factor VIII protein; not a measure of von Willebrand factor antigen (previously called FVIII-related antigen)

  
Sodium citrate (Na cit) plasma
  
  
2.0 mL
  
1.0 mL
  
  
  1. Centrifuge for 10 minutes and carefully remove 2/3 of the plasma using a plastic transfer pipette, being careful not to disturb the cells.
  2. Deliver to a plastic transport tube, cap, and recentifuge for 10 minutes.
  3. Use a second plastic pipette to remove plasma, staying clear of the platelets at the bottom of the tube.
  4. Transfer the plasma into a Screw-cap polypropylene frozen transport vial/tube - 4mL (LabCorp) and freeze immediately.

Basic coagulation specimen processing instructions

  
Frozen (-20) - 1 month
Frozen (-70) - 6 months
Three (3) freeze/thaw cycles are acceptable
Refrigerated - 8 hours
Ambient - 4 hours
 
  
LabCorp Burlington (500196): R-NX
  
Mo
  
3 - 7 days
  

Enzyme-linked immunosorbent assay (ELISA)

  

50 - 160%

  
83520
  
Result 38521-1
  
10/11/2019
  
02/17/2021
  
06/03/2020