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40083: Factor VIII Inhibitor Panel Print View
Factor VIII Inhibitor, EIA IA  Negative   
FVIII Act, Clotting CLOT DET  50 - 180  % normal 

PRIMARY
1 Plasma Citrated 2 (1) mL   Frozen - 14 Day(s)  
ALTERNATE

The presence of alloantibodies against factor VIII activity is a complication of treatment in hemophilia A, while the presence of autoantibodies may develop spontaneously in patients with acquired Factor VIII-C deficiency. The presence of Factor VIII inhibitor may lead to the neutralization (inactivation) of transfused or endogenous Factor VIII activity. The detection and magnitude of Factor VIII inhibitor is of great importance in the care of these patients. Factor VIII inhibitor EIA assay provides a quick method for the detection of Factor VIII inhibitor with less sample volume.

Submit a total of 6mL, 2 mL in each of 3 tubes. Centrifuge
light blue-top tube 15 minutes at approx. 1500 g within 60
minutes of collection. Using a plastic pipette, remove plasma,
taking care to avoid the WBC/platelet buffy layer and place
into a plastic vial. Centrifuge a second time and transfer
platelet-poor plasma into a new plastic vial. Plasma must be
free of platelets (<10,000/mcl).
Freeze immediately and ship on dry ice.
Setup Schedule
Sunday, Tuesday, Thursday

Reported (Analytical Time)
Same day

CPT Codes
85335,85240

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Notes
Transport Temperature: Frozen Report available: 1-4 days, if reflexed 2-5 If Factor VIII inhibitor, EIA Screen is positive, then the Nijmengen Assay will be performed at an additional charge (CPT code(s): 85335).






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