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INR Blood Test

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Lab locations: UK / Ireland
Results by Email
Date of Birth Requirement
£87.00 GBP

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Overview:

Our INR Blood Test panel is convenient for monitoring your warfarin dose as well as checking other blood clotting factors.

This test is ideal if you're managing a condition that affects blood clotting or if you're on blood-thinning medication. 

What This Test Includes:

International Normalised Ratio. Used to monitor warfarin dosage.

Prothrombin Time. Blood clotting test. Used to calculate the INR.

Partial Prothrombin Time. Test for blood clotting.

Protein with a role in clotting and inflammation

Sample needed:

blood sample

Why Choose the INR Blood Test?

  • Accuracy: This test can be relied upon by your doctor to monitor your warfarin dosage.
  • Clear Results: Clear report, helping you understand your health status.

Results:

  • Availability: 2-3 working days
  • Presentation: Your results will be presented in an easy-to-understand format, highlighting any areas of concern. Along with your results, you’ll receive tailored recommendations on what steps to take next, whether that’s lifestyle changes or seeking medical advice.
  • Discuss with a doctor: After receiving your results you may choose to discuss them with a GP who can advise you on lifestyle changes to optimise your health (additional fee).

Preparation Required:

  • Timing: The INR Blood Test is usually best taken in the morning if warfarin is taken in the evening.
  • Fasting: Fasting is not required for this test. 
  • Medications: Continue to take any prescribed medications as usual, unless advised otherwise.

 
  1. Purchase your test(s) online making sure to give the name and date of birth of the person(s) taking the test. These details are required by the lab to uniquely identify your sample.
  2. You will get a confirmation email from us.
  3. We will process your order within an hour; Mon-Fri 9am-5pm.
  4. Then, look out for the booking link email from our partner laboratory, Randox Health.
  5. Click on the link to book an appointment for your test.
  6. Attend to do your test.
  7. Results are emailed to you.

All laboratories need information regarding the client to uniquely identify their test sample.

Without these details, tests cannot be processed.

The minimum requirement is the full name, biological sex and date of birth.

You should enter these details securely at the top before you click 'Add to cart'.

We ask for your Biological Sex because NORMAL RANGES for some tests are different for men and women.