Prothrombin Time with INR Test

Formal Name of the Test:
Prothrombin Time with INR

Other Names Used:
Protime INR; Prothrombin Time Assay; Protime; PT; PT INR; Pro Time; INR; Prothrombin Time and International Normalized Ratio

Sample Required:
Frozen plasma

Test Overview:
An abnormality of coagulation factors involved in the extrinsic pathway can be detected with this test. Also used to monitor patients with inherited and acquired clotting problems and evaluate the impact of Warfarin therapy.

Test Preparation:
There is no need for any prior preparation.

Test Performed at:
Quest Diagnostics, Test Code 8847 
Click here to go to Quest Diagnostics page for this test