What causes high FT4 thyroid and low ALT SGPT?

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

If your FT4 thyroid is in between 0.89 ng/dL and 1.76 ng/dL and your ALT SGPT is in between 21 U/L and 72 U/L then you need not worry as these are the normal ranges for FT4 thyroid and ALT SGPT 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	0.9191
5-10 years	0.94915
10-15 years	0.98019
15-20 years	1.01224
20-25 years	1.04534
25-30 years	1.07952
30-35 years	1.11482
35-40 years	1.15127
40-45 years	1.18892
45-50 years	1.2278
50-55 years	1.26795
55-60 years	1.30941
60-70 years	1.35223
70-80 years	1.39645
80-90 years	1.44211
90-100 years	1.48927
>100 years	1.53797

*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 ALT SGPT : 21 - 72 U/L

Ideal values of ALT SGPT depending on age :

Age	Ideal ALT SGPT value
<5 years	21.687
5-10 years	22.396
10-15 years	23.128
15-20 years	23.884
20-25 years	24.665
25-30 years	25.472
30-35 years	26.305
35-40 years	27.165
40-45 years	28.053
45-50 years	28.97
50-55 years	29.917
55-60 years	30.895
60-70 years	31.905
70-80 years	32.948
80-90 years	34.025
90-100 years	35.138
>100 years	36.287

High FT4 thyroid and low ALT SGPT can be caused by a lot of reasons. If you take FT4 thyroid and ALT SGPT blood tests and the results are higher than 1.76 ng/dL for FT4 thyroid and lower than 21 U/L for ALT SGPT, 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 ALT SGPT Tests Are Done :

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