Prothrombin Time (PT)

Also known:

PT and INR

systematic name:

Prothrombin Time and International Normalized Ratio

12,000

What sample is required?

The determination is made from a venous blood sample.

Is some kind of prior preparation necessary?

No special preparation is needed for this test, although if you are taking anticoagulants, the sample should be obtained before the daily dose.

Why do the analysis?

To verify that anticoagulant treatments are effective in preventing clot formation; to detect and diagnose a bleeding disorder.

When to do the analysis?

If you are taking anticoagulants or if your doctor suspects that you may have a bleeding disorder. It is also recommended to perform it before any surgery as a preoperative control.

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