What causes high INR and low FT4 thyroid?

High INR and low FT4 thyroid can be caused by many reasons.

If your INR is in between 0.9 ratio and 1.2 ratio and your FT4 thyroid is in between 0.89 ng/dL and 1.76 ng/dL then you need not worry as these are the normal ranges for INR and FT4 thyroid respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

Normal range of INR : 0.9 - 1.2 ratio

Ideal values of INR depending on age :
Age Ideal INR value
<5 years 0.95
5-10 years 1.002
10-15 years 1.057
15-20 years 1.115
20-25 years 1.176
25-30 years 1.173
30-35 years 1.17
35-40 years 1.166
40-45 years 1.162
45-50 years 1.159
50-55 years 1.156
55-60 years 1.153
60-70 years 1.149
70-80 years 1.145
80-90 years 1.142
90-100 years 1.139
>100 years 1.136

If you want your blood test report to be interpreted by INR specialist, then you can upload your report. Our INR expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours. Upload blood test report now

Your INR result may be wrong. Click to know the reason in detail

Click here to know Symptoms of High INR

Click here to know Symptoms of Low FT4 thyroid

Besides Lab test failures, there are many other reasons for inaccurate blood results. Know the common reasons for inaccurate blood test results

Normal range of INR found among women : - ratio

Ideal values of FT4 thyroid depending on age :
Age Ideal FT4 thyroid value
<5 years 0.93895
5-10 years 0.99059
10-15 years 1.04507
15-20 years 1.10255
20-25 years 1.16319
25-30 years 1.22717
30-35 years 1.29466
35-40 years 1.36587
40-45 years 1.44099
45-50 years 1.52024
50-55 years 1.60385
55-60 years 1.69206
60-70 years 1.68694
70-80 years 1.68184
80-90 years 1.67675
90-100 years 1.67168
>100 years 1.66662

Click here to know Symptoms of High INR

Click here to know Symptoms of Low FT4 thyroid

Click here to upload your blood test report

Click here to consult a doctor for your Low INR problem

High INR and low FT4 thyroid can be caused by a lot of reasons. If you take INR and FT4 thyroid blood tests and the results are higher than 1.2 ratio for INR and lower than 0.89 ng/dL for FT4 thyroid, your physician may recommend more tests to figure out the problem. You might also get these tests if your physician thinks you have some other disease.

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How the INR and FT4 thyroid Tests Are Done :

If your doctor wants INR and FT4 thyroid tests on you, you may need to go through these tests. During the INR and FT4 thyroid blood tests, a pathologist will put a needle into your veins and take out a small quantity of blood. A pathologist is a physician in the medical field who thoroughly studies the causes and effects of disease. Within a few hours you will get your INR and FT4 thyroid Test reports by your pathologist.

Click here to upload your blood test report

Click here to consult a doctor for your Low INR problem

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