Biomarker table
Clotting status
INR
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How it works
Your personalised, actionable health results are only a few clicks away. Order your test, take and post your sample, then view your results online with our doctors' comments.
Track, improve, and monitor your health over time
MyMedichecks is your personal online dashboard where you can view your results, access clear and simple explanations about individual health markers, monitor changes in your health, and securely store information about your medical history, lifestyle, and vital statistics.
FAQs
Who is a Prothrombin Time (INR) Blood Test for?
You can use our PT test if you are being treated with blood-thinning medication (anticoagulant) warfarin (Coumadin®) to monitor your treatment.
What does clotting status mean?
Your clotting cells (platelets) are produced in the bone marrow and help control bleeding. Sometimes too few platelets are produced or are destroyed too quickly, resulting in a condition known as thrombocytopenia. This can be caused by immune disorders, some medication, liver disease, or chronic bleeding. A high platelet count is called thrombocytosis and can be caused by several conditions, including bone marrow disorders, infection and inflammation. Read more about what blood is, the different blood types, and the main functions of blood in our blog: what is blood and what does it do?
What is a Prothrombin Time (INR) Blood Test?
Our Prothrombin Time (INR) Blood Test gives you your international normalized ratio (INR), which is calculated based on the results of your prothrombin time (PT) test. INR is a laboratory measurement of how long it takes for blood to form a clot.