The PT test is also called INR check. In a way, the International Normative Ratio (INR) is a symbol of standardization of the results of prothrombin time test, regardless of its testing system. That is why a doctor can easily understand the results, even if the results have not been received by different labs (labs) or different testing systems. In some labs, only INR is checked, not PT.
These factors, called blood clots, are needed only to make a blood clot. Prothrombin or Factor – II are the only factors that make the blood clotting or clotting, which are manufactured by the liver. Vitamin-K is needed to form prothrombin and other similar clotting factors. Prothrombin time is an important test because this test is done to find out if there are various factors that factor in blood (factor I, II, V, VII and X) or not.