THIS IS A TESTING METHODOLOGY ONLY.
To identify Factor X deficiency, order Factor X Assay (F-X).
To monitor warfarin therapy, order Chromogenic Factor X (FXCHSO).
To monitor low molecular weight heparin (Lovenox, etc), order Heparin, Low Molecular Weight (HEPLMW).
To monitor unfractionated heparin, order Heparin, Unfractionated (HEPUF).
To monitor fondaparinux (Arixtra), order Fondaparinux (ARIXSO).
To monitor apixaban, order Apixaban (APIXASO).