Factor 11 (XI) assay
F11
FXI
Factor 11
Factor Eleven
73.23
2.7 ml sodium citrate tube (light blue)
1.8 ml paediatric sodium citrate tube (light blue)
Sample must be received in the Laboratory, separated & frozen within 4 hours of collection. If despatched from outside Hospital serum must still be frozen on arrival in Laboratory.
Send frozen
Haematology
By arrangement with Laboratory. Mon - Fri 0800-1630 excl. Public Holidays
Batched weekly, 2 hours if urgent
Clotting based assay
50-150%
1.0ml double spun platelet poor plasma
XI
