Description

Prothrombin time is used to identify a deficiency of one or more of the clotting factors of the extrinsic coagulation system (I, II, V, VII, X) due to hereditary deficiency or acquired conditions such as liver disease, vitamin K deficiency, or a specific factor inhibitor. Monitoring patients on oral anticoagulant therapy to maintain a patient in a safe therapeutic range.The prothrombin time is also reported as the INR (International Normalized Ratio), based on the ISI (International Sensitivity Index)

Pre-Information

Sample to be processed within 2 hours and citrate platelets poor plasma required