What causes high FT4 thyroid and low Eosinophils?

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

If your FT4 thyroid is in between 0.89 ng/dL and 1.76 ng/dL and your Eosinophils is in between 1 % and 6 % then you need not worry as these are the normal ranges for FT4 thyroid and Eosinophils 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 FT4 thyroid : 0.89 - 1.76 ng/dL

Ideal values of FT4 thyroid depending on age :

Age	Ideal FT4 thyroid value
<5 years	0.91777
5-10 years	0.9464
10-15 years	0.97593
15-20 years	1.00638
20-25 years	1.03778
25-30 years	1.07016
30-35 years	1.10355
35-40 years	1.13798
40-45 years	1.17348
45-50 years	1.21009
50-55 years	1.24784
55-60 years	1.28677
60-70 years	1.32692
70-80 years	1.36832
80-90 years	1.41101
90-100 years	1.45503
>100 years	1.50043

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

If you want your blood test report to be interpreted by FT4 thyroid specialist, then you can upload your report. Our FT4 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 FT4 thyroid levels include:

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

If you want your blood test report to be interpreted by FT4 thyroid specialist, you can upload your report. Our FT4 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 Eosinophils : 1 - 6 %

Ideal values of Eosinophils depending on age :

Age	Ideal Eosinophils value
<5 years	1.031
5-10 years	1.063
10-15 years	1.096
15-20 years	1.13
20-25 years	1.165
25-30 years	1.201
30-35 years	1.238
35-40 years	1.277
40-45 years	1.317
45-50 years	1.358
50-55 years	1.4
55-60 years	1.444
60-70 years	1.489
70-80 years	1.535
80-90 years	1.583
90-100 years	1.632
>100 years	1.683

High FT4 thyroid and low Eosinophils can be caused by a lot of reasons. If you take FT4 thyroid and Eosinophils blood tests and the results are higher than 1.76 ng/dL for FT4 thyroid and lower than 1 % for Eosinophils, 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 FT4 thyroid and Eosinophils Tests Are Done :

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