What causes high FT4 thyroid and low Calcium?

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

If your FT4 thyroid is in between 0.89 ng/dL and 1.76 ng/dL and your Calcium is in between 8.5 mg/dL and 10.1 mg/dL then you need not worry as these are the normal ranges for FT4 thyroid and Calcium 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	0.91955
5-10 years	0.95008
10-15 years	0.98162
15-20 years	1.01421
20-25 years	1.04788
25-30 years	1.08267
30-35 years	1.11861
35-40 years	1.15575
40-45 years	1.19412
45-50 years	1.23376
50-55 years	1.27472
55-60 years	1.31704
60-70 years	1.36077
70-80 years	1.40595
80-90 years	1.45263
90-100 years	1.50086
>100 years	1.55069

*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

1,37,160

Total number of patients treated

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 Calcium : 8.5 - 10.1 mg/dL

Ideal values of Calcium depending on age :

Age	Ideal Calcium value
<5 years	8.782
5-10 years	9.074
10-15 years	9.375
15-20 years	9.686
20-25 years	10.008
25-30 years	9.997
30-35 years	9.986
35-40 years	9.975
40-45 years	9.964
45-50 years	9.953
50-55 years	9.942
55-60 years	9.931
60-70 years	9.92
70-80 years	9.909
80-90 years	9.898
90-100 years	9.887
>100 years	9.876

High FT4 thyroid and low Calcium can be caused by a lot of reasons. If you take FT4 thyroid and Calcium blood tests and the results are higher than 1.76 ng/dL for FT4 thyroid and lower than 8.5 mg/dL for Calcium, 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 Calcium Tests Are Done :

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