Prothrombin Time (PT) detects deficiency of all the following clotting factors EXCEPT
The time required for clotting to occur is called the prothrombin time (PT). Normal PT = 15-20 seconds. Prolonged PT suggests the possibility of deficiency of factors II (prothrombin), V, VII and X. Prothrombin level is low in vitamin K deficiency and various liver and biliary diseases.
II
V
VII
VIII
Blood Physiology