Factor VIII Assay (Antigen activity) (DISCONTINUED) | KK Women's and Children's Hospital

Specimen Container	Sodium Citrate Tube
Specimen Requirement	Citrated Whole Blood Adult: 2 mL Paediatric: 1 mL
Specimen Storage/Transport	Requires urgent specimen transportation to SGH laboratory.
Orderable as Urgent?	No
Turn Around Time	2 days
Reference Value(s)	-
Testing Laboratory Location	SGH
Laboratory	Coagulation
Contact Number	6394 1352
Day and Time Performed	Mon – Fri 0800 hrs– 1700 hrs Sat 0800 hrs – 1200 hrs
Orderable on CPOE?	Yes
Downtime Form	63170-Form-1080 Haematology Laboratory Downtime Form
Additional Information	Fill blood up to the black marking on tube and mix well. Overfilling of blood may cause clotting Under filling may cause dilution of clotting factors. Factor VIII Assay (Antigen activity) (DISCONTINUED) CG0064

Change History Notes

Last Updated - 27 Jun 2025