What causes high FT3 thyroid and low FT4 thyroid?

High FT3 thyroid and low FT4 thyroid can be caused by many reasons.

If your FT3 thyroid is in between 2.3 pg/mL and 4.2 pg/mL 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 FT3 thyroid 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 FT3 thyroid : 2.3 - 4.2 pg/mL

Ideal values of FT3 thyroid depending on age :
Age Ideal FT3 thyroid value
<5 years 2.381
5-10 years 2.464
10-15 years 2.55
15-20 years 2.639
20-25 years 2.731
25-30 years 2.827
30-35 years 2.926
35-40 years 3.028
40-45 years 3.134
45-50 years 3.244
50-55 years 3.358
55-60 years 3.476
60-70 years 3.598
70-80 years 3.724
80-90 years 3.854
90-100 years 3.989
>100 years 4.129

If you want your blood test report to be interpreted by FT3 thyroid specialist, then you can upload your report. Our FT3 thyroid 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 FT3 thyroid result may be wrong. Click to know the reason in detail

Click here to know Symptoms of High FT3 thyroid

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 FT3 thyroid found among women : - pg/mL

Ideal values of FT4 thyroid depending on age :
Age Ideal FT4 thyroid value
<5 years 0.92115
5-10 years 0.95339
10-15 years 0.98676
15-20 years 1.0213
20-25 years 1.05705
25-30 years 1.09405
30-35 years 1.13234
35-40 years 1.17197
40-45 years 1.21299
45-50 years 1.25544
50-55 years 1.29938
55-60 years 1.34486
60-70 years 1.39193
70-80 years 1.44065
80-90 years 1.49107
90-100 years 1.54326
>100 years 1.59727

Click here to know Symptoms of High FT3 thyroid

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 FT3 thyroid problem

High FT3 thyroid and low FT4 thyroid can be caused by a lot of reasons. If you take FT3 thyroid and FT4 thyroid blood tests and the results are higher than 4.2 pg/mL for FT3 thyroid 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 FT3 thyroid and FT4 thyroid Tests Are Done :

If your doctor wants FT3 thyroid and FT4 thyroid tests on you, you may need to go through these tests. During the FT3 thyroid 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 FT3 thyroid 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 FT3 thyroid problem

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