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FACTOR ASSAYS

Synonym(s):
Lab Section Category
View write-up
Specimen Required

​3 mL blood containing 0.3 mL of sodium citrate

Patient must not be on heparin.

Method

​Clotting Assay

Reference Interval / Value

 

Factor assayReference range
I(Fibrinogen)1.8 – 4.8 g/L
II(Prothrombin)90 – 156%
V78 – 166%
VII65 – 187%
VIII42 – 223%
 IX65 – 150%
 X71 – 150%
 XI57 – 180%
 XII33 – 156%
Turnaround Time

​2 days

Day(s) Test Set up

​Monday - Saturday (office hours)

Remarks

​Specific Coagulation factor assays are available individually. Each assay utilises the same sample requirement. Order the specific factor required.

Last Updated - 02 Dec 2025