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Factor IX (9) Assay

Test Code:

CG0125

Synonym(s):

Specimen Container

​Sodium Citrate Tube

Specimen Requirement

​Citrated Whole Blood 

Adult: 2ml 
Paediatric: 1ml 

Gently invert the tubes several times to assure thorough mixing of the specimen with the anticoagulant. 

To collect blood to the designate marking. Over or under filling will compromise the test results. 

When using a winged blood collection set for venipuncture and a coagulation tube is the first tube drawn, draw a discard tube first.


Specimen Storage / Transport

​Transport in room temperature. Do not transport in Ice.

Method

 

Orderable as STAT?

  Urgent tests requiring a shorter turnaround time can be requested by contacting the laboratory haematologist-on-call. 

Turn Around Time

5 days 

Reference Value(s)

Age GroupGenderReference Intervals (%)
Day 0-2Both35 - 56
Day 3 - 30Both44 - 97
1 Month - 1 YearBoth43 - 121
1 - 5 YearBoth44 - 127
6 - 10 YearsBoth48 - 145
11 - 16 YearsBoth64 - 216
Adults (above 16 Years)Both59 - 254
Adopted from Royal Children's Hospital, Melbourne, Australia.


Testing Laboratory Location

​KKH

Laboratory

Coagulation

Contact Number

​6394 1373

Day and Time Performed

​Wednesday (1300 hrs - 1700Hrs)
Friday (1300 hrs - 1700 hrs)

Orderable on CPOE?

Yes

Downtime Form

Additional Information

​Clot-based Factor IX assay

Change History Notes

Others

Keywords

Factor IX (9) Assay CG0125
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