What causes high Transferrin saturation and low FT4 thyroid?

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

If your Transferrin saturation is in between 13 % and 45 % 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 Transferrin saturation 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 Transferrin saturation : 13 - 45 %

Ideal values of Transferrin saturation depending on age :

Age	Ideal Transferrin saturation value
<5 years	13.2275
5-10 years	13.45898
10-15 years	13.69451
15-20 years	13.93416
20-25 years	14.17801
25-30 years	14.42613
30-35 years	14.67859
35-40 years	14.93547
40-45 years	15.19684
45-50 years	15.46278
50-55 years	15.73338
55-60 years	16.00871
60-70 years	16.28886
70-80 years	16.57392
80-90 years	16.86396
90-100 years	17.15908
>100 years	17.45936

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

If you want your blood test report to be interpreted by Transferrin saturation specialist, then you can upload your report. Our Transferrin saturation 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 Transferrin saturation levels include:

• Anemia
• Your body doesnt have enough healthy red blood cells
• Chronic Illness
• Iron poisoning
• Gastrointestinal blood loss

If you want your blood test report to be interpreted by Transferrin saturation specialist, you can upload your report. Our Transferrin saturation 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 FT4 thyroid : 0.89 - 1.76 ng/dL

Ideal values of FT4 thyroid depending on age :

Age	Ideal FT4 thyroid value
<5 years	0.90558
5-10 years	0.92143
10-15 years	0.93756
15-20 years	0.95397
20-25 years	0.97066
25-30 years	0.98765
30-35 years	1.00493
35-40 years	1.02252
40-45 years	1.04041
45-50 years	1.05862
50-55 years	1.07715
55-60 years	1.096
60-70 years	1.11518
70-80 years	1.1347
80-90 years	1.15456
90-100 years	1.17476
>100 years	1.19532

High Transferrin saturation and low FT4 thyroid can be caused by a lot of reasons. If you take Transferrin saturation and FT4 thyroid blood tests and the results are higher than 45 % for Transferrin saturation 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 Transferrin saturation and FT4 thyroid Tests Are Done :

If your doctor wants Transferrin saturation and FT4 thyroid tests on you, you may need to go through these tests. During the Transferrin saturation 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 Transferrin saturation and FT4 thyroid Test reports by your pathologist.