What causes high FT3 thyroid and low Transferrin saturation?

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

If your FT3 thyroid is in between 2.3 pg/mL and 4.2 pg/mL and your Transferrin saturation is in between 13 % and 45 % then you need not worry as these are the normal ranges for FT3 thyroid and Transferrin saturation 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	2.386
5-10 years	2.475
10-15 years	2.567
15-20 years	2.663
20-25 years	2.762
25-30 years	2.865
30-35 years	2.972
35-40 years	3.083
40-45 years	3.198
45-50 years	3.317
50-55 years	3.441
55-60 years	3.569
60-70 years	3.702
70-80 years	3.84
80-90 years	3.983
90-100 years	4.132
>100 years	4.126

*Ideal values are calculated based on our database of patient records

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

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Some examples of conditions that increase or decrease FT3 thyroid levels include:

• Thyroiditis
• A non-functioning thyroid gland
• Autoimmune disease
• Diabetes
• Liver disease

If you want your blood test report to be interpreted by FT3 thyroid specialist, 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

Normal range of Transferrin saturation : 13 - 45 %

Ideal values of Transferrin saturation depending on age :

Age	Ideal Transferrin saturation value
<5 years	13.485
5-10 years	13.988
10-15 years	14.51
15-20 years	15.051
20-25 years	15.612
25-30 years	16.194
30-35 years	16.798
35-40 years	17.425
40-45 years	18.075
45-50 years	18.749
50-55 years	19.448
55-60 years	20.173
60-70 years	20.925
70-80 years	21.706
80-90 years	22.516
90-100 years	23.356
>100 years	24.227

High FT3 thyroid and low Transferrin saturation can be caused by a lot of reasons. If you take FT3 thyroid and Transferrin saturation blood tests and the results are higher than 4.2 pg/mL for FT3 thyroid and lower than 13 % for Transferrin saturation, 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 Transferrin saturation Tests Are Done :

If your doctor wants FT3 thyroid and Transferrin saturation tests on you, you may need to go through these tests. During the FT3 thyroid and Transferrin saturation 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 Transferrin saturation Test reports by your pathologist.