Table 1: Factor Characteristics - LabCE.com, Laboratory Continuing Education

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Table 1: Factor Characteristics

Factor	Alternative Name	Pathway Utilized	Vitamin K Dependent	Stability in Storage
I	Fibrinogen	I, E, C	NO	Stable
II	Prothrombin	I, E, C	YES	Stable
III	Tissue Thromboplastin	E only	NO	Stable
V	Proaccelerin	I, E, C	NO	Labile
VII	Proconvertin	E only	YES	Stable
VIII	Antihemophiliac Factor	I only	NO	Labile
IX	Christmas Factor	I only	YES	Stable
X	Stuart-Prower Factor	I, E, C	YES	Stable
XI	Plasma Thromboplastin	I only	NO	Stable
XII	Hageman / Contact Factor	I only	NO	Stable
XIII	Fibrin Stabilizing Factor	I, E, C	NO	Stable
Prekallikrein	Fletcher Factor	I only	NO	Stable
HMWK	Fitzgerald Factor	I only	NO	Stable

I = Intrinsic

E = Extrinsic

C = Common