The full form of INR in Medical is International Normalized Ratio. This is a blood test that shows how well your blood clots. This standardized test results in numbers and is performed in a laboratory. In the case of taking blood thinners, also known as anticoagulant and anticoagulant drugs, it is necessary to monitor your INR.
The INR can be seen using the results of the PT test. In simple words, INR is an overall standard for PT tests. The doctor will recommend the PT test initially so that the outcomes can be used to calculate the INR. PT testing involves adding chemicals to a sample of human blood.
Then, the lab measures the amount of time it takes for a clot to produce in seconds. If your healthcare provider suspects a risk of bleeding or changes in liver function, you may be advised to have other tests along with your INR. These tests include activated partial thromboplastin time, fibrinogen level, platelet count, thrombin time, etc.
INR is needed to detect, diagnose, and manage specific health issues, such as bleeding disorders and liver diseases.