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Factor 8 (Blood)

Alternate Names
Factor VIII, Anithaemophilic factor, Factor 8 clotting activity
Test Code
F8
Testing Laboratory
Haematology
Specimen Type

Blood
Container Type

Sodium Citrate (Light Blue Top)

Container Image
Medicare Rebate

Yes

Out of Pocket Costs
None
Ordering Information

-
Collection Instructions

Citrate tubes must be completely filled in order to perform testing. The level of blood must be within the top and bottom borders of the black marker on the tubes.

  • Collect 2 x 4 mL Sodium Citrate (Light Blue Top) tubes.
  • Can combine with other Factor tests if also requested.
Transport Instructions
Transport ambient at room temperature
Storage Instructions
Store refrigerated at 4°C
Testing Frequency
Weekly
Min Test Volume
1mL
Add On Test Suitability
Room Temperature 4 hours
Refrigerated (2 - 4°C) 8 hours
Frozen Plasma* (-20°C) up to 3 months**


*: Plasma must be double spun and frozen in line with LWI-HAUT-007. 
**: Subject to sample availability
Container ID
C, CP, CH
CSR Instructions

Instructions for: Heidelberg Specimen Reception

  • Please place frozen aliquots into the Special Coag bucket in the -80°C core lab freezer
Laboratory Instructions

After centrifugation, coagulation specimens remain viable for up to 8 hours at room temperature (RT).

Processing instructions for: Regional Laboratories

  • Please ensure routine coagulation testing is validated prior to double centrifuging for Complex Haemostasis testing.
  • Create a Platelet Poor Plasma aliquot by double centrifuging, aliquoting, and freezing (in line with LWI-HAUT-007).
  • Refer to LWI-HAUT-021 for the number of aliquots required for this test.

Storage instructions for: Regional Laboratories

  • Store Platelet Poor Plasma aliquots frozen at -20°C.
  • Store Primary Sodium Citrate refrigerated at 4°C.

Transport instructions for: Regional Laboratories

  • Transport Platelet Poor Plasma aliquots frozen in biofreeze bottles.
Accredited Test
Yes

These PDF documents can be downloaded for your reference

Order of Draw (PDF)

Swab Collection Guide (PDF)

Pre-Transfusion Specimen Requirements (PDF)

Requirements for Pathology Service (PDF)

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Austin Hospital Studley Road
Heidelberg, VIC 3084
Phone:9496-3100
Fax: 03 9496 5803

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