Factor X Activity

Factor 10 Assay, UOW833

This test is NOT for monitoring Anti-Xa for unfractionated heparin (see: HIXA), low molecular weight heparin (see: LMWXA), Rivaroxaban level (see: RIVAR1), or Apixaban level (see: APIXN1). This test is NOT intended for monitoring warfarin effect in patients being bridged from bivalirudin (see: CHRF10).

Factor 10 activity is used for diagnosing deficiency of coagulation factor 10, congenital or acquired.

3 mL or 5 mL Light Blue Citrate Tube

Blood

Entire specimen

MUST PROCESS WITH 4 HOURS OF COLLECTION
Platelet poor Coag Citrate Specimen processing:
1. Gently invert tube 2-3 times prior to placing in Centrifuge
2. Centrifuge Citrate whole blood at 4500 rpm for 10 minutes
3. Carefully pipette plasma, avoiding the platelet/buffy coat into a plastic vial
4. Centrifuge plasma at 4500 rpm for 10 minutes
5. Pipette the plasma to a plastic vial, leaving the bottom 0.25 mL undisturbed
6. Freeze plasma immediately and transport frozen. 

1 mL

Patients on bivalirudin (Angiomax), dabigatran (Pradaxa), argatroban (Novastan), rivaroxaban (Xarelto), apixaban (Eliquis), and edoxaban (Savaysa) may show prolonged clotting times. This may cause an under- estimation of the factor concentrations.

Coagulation (COAG)

Clot based, Stago STA Clottable Factor assays

End of next business day

Monday - Friday

85260

                                          Units: %
             Female                                         Male
Age                Range                 Age              Range
0-29d           19-150              0-29d          19-150
1m-2m         31-150              1m-2m        31-150
3m-5m         35-150             3m-5m         35-150
6m-11m      38-150             6m-11m      38-150
1y-                  50-150             1y-                  50-150

UW

33984-6