Factor VIII
Alternate Names
Factor VIII Activity
SoftLab Order Code
FVIII
Epic Order Name
FACTOR VIII
Epic Order ID
LAB306
Laboratory
Raleigh
Additional Test Information
This assay and established reference range are not validated for pediatric populations. Interpret results with caution.
Sample Type
Plasma
Collection Container
Blue Top (Sodium Citrate - Light blue)

Collecting Volume
One full light blue tube
Minimum Collecting Volume
One full light blue tube- (Special low volume collection tubes are available for Neonatal patients if blood volume collection is limited by clinical condition. Contact the laboratory to request a collection tube.)
Storage or Stability
Ambient - 4 hours UNSPUN
Ambient - 2 hours SPUN
Frozen - Plasma stable 3 months
Stability may vary if additional studies are ordered on the same sample. The test with the shortest stability should be considered when evaluating storage/stability for testing
Ambient - 2 hours SPUN
Frozen - Plasma stable 3 months
Stability may vary if additional studies are ordered on the same sample. The test with the shortest stability should be considered when evaluating storage/stability for testing
Causes for Rejection
Clotted, wrong tube type, grossly hemolyzed, over or underfilled collection tube
Instructions
Freeze plasma if testing cannot be completed within ambient stability period
Availability
24 hours / 7 days
CPT Codes
85240