What causes high Hemoglobin and low FT3 thyroid?

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

If your Hemoglobin is in between 13 g/dL and 17 g/dL 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 Hemoglobin 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.

Normal range of Hemoglobin : 13 - 17 g/dL

Ideal values of Hemoglobin depending on age :

Age	Ideal Hemoglobin value
<5 years	14.287
5-10 years	15.701
10-15 years	15.547
15-20 years	15.394
20-25 years	16.918
25-30 years	16.752
30-35 years	16.587
35-40 years	16.424
40-45 years	16.263
45-50 years	16.104
50-55 years	15.946
55-60 years	15.79
60-70 years	15.635
70-80 years	15.482
80-90 years	15.331
90-100 years	16.849
>100 years	16.684

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

If you want your blood test report to be interpreted by Hemoglobin specialist, then you can upload your report. Our Hemoglobin 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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If you want your blood test report to be interpreted by Hemoglobin specialist, you can upload your report. Our Hemoglobin 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 FT3 thyroid : 2.3 - 4.2 pg/mL

Ideal values of FT3 thyroid depending on age :

Age	Ideal FT3 thyroid value
<5 years	2.528
5-10 years	2.778
10-15 years	3.053
15-20 years	3.355
20-25 years	3.687
25-30 years	4.052
30-35 years	4.012
35-40 years	3.973
40-45 years	3.934
45-50 years	3.895
50-55 years	3.857
55-60 years	3.819
60-70 years	4.197
70-80 years	4.156
80-90 years	4.115
90-100 years	4.074
>100 years	4.034

High Hemoglobin and low FT3 thyroid can be caused by a lot of reasons. If you take Hemoglobin and FT3 thyroid blood tests and the results are higher than 17 g/dL for Hemoglobin 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 Hemoglobin and FT3 thyroid Tests Are Done :

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