What causes high Transferrin saturation and low FT3 thyroid?

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

If your Transferrin saturation is in between 13 % and 45 % and your FT3 thyroid is in between 2.3 pg/mL and 4.2 pg/mL then you need not worry as these are the normal ranges for Transferrin saturation and FT3 thyroid respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

Some examples of conditions that can increase or decrease Transferrin saturation levels include:

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

Transferrin saturation treatment - Click to read 10 GOLDEN ARTICLES on Anemia

Normal range of Transferrin saturation : 13 - 45 %

Ideal values of Transferrin saturation depending on age :

Age	Ideal Transferrin saturation value
<5 years	13.22737
5-10 years	13.45872
10-15 years	13.69411
15-20 years	13.93362
20-25 years	14.17732
25-30 years	14.42528
30-35 years	14.67758
35-40 years	14.93429
40-45 years	15.19549
45-50 years	15.46126
50-55 years	15.73168
55-60 years	16.00683
60-70 years	16.28679
70-80 years	16.57165
80-90 years	16.86149
90-100 years	17.1564
>100 years	17.45647

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

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	2.34
5-10 years	2.381
10-15 years	2.423
15-20 years	2.465
20-25 years	2.508
25-30 years	2.552
30-35 years	2.597
35-40 years	2.642
40-45 years	2.688
45-50 years	2.735
50-55 years	2.783
55-60 years	2.832
60-70 years	2.882
70-80 years	2.932
80-90 years	2.983
90-100 years	3.035
>100 years	3.088

High Transferrin saturation and low FT3 thyroid can be caused by a lot of reasons. If you take Transferrin saturation and FT3 thyroid blood tests and the results are higher than 45 % for Transferrin saturation and lower than 2.3 pg/mL for FT3 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 FT3 thyroid Tests Are Done :

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

Medical References

• Cleveland Clinic – TIBC (Total Iron-Binding Capacity) Test
• MedlinePlus – Total iron binding capacity
• Mayo Clinic – Hemochromatosis - Diagnosis and treatment