What causes high Calcium and low FT4 thyroid?

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

If your Calcium is in between 8.5 mg/dL and 10.1 mg/dL and your FT4 thyroid is in between 0.89 ng/dL and 1.76 ng/dL then you need not worry as these are the normal ranges for Calcium and FT4 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 Calcium : 8.5 - 10.1 mg/dL

Ideal values of Calcium depending on age :

Age	Ideal Calcium value
<5 years	8.628
5-10 years	8.757
10-15 years	8.888
15-20 years	9.021
20-25 years	9.156
25-30 years	9.293
30-35 years	9.432
35-40 years	9.573
40-45 years	9.717
45-50 years	9.863
50-55 years	10.011
55-60 years	10.009
60-70 years	10.007
70-80 years	10.005
80-90 years	10.003
90-100 years	10.001
>100 years	9.999

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

If you want your blood test report to be interpreted by Calcium specialist, then you can upload your report. Our Calcium 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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Total number of patients treated

Some examples of conditions that increase or decrease Calcium levels include:

• Overactive parathyroid glands
• Some Medications like thiazide diuretics
• Kidney failure.
• Lung diseases
• Taking too much of vitamin D supplements

If you want your blood test report to be interpreted by Calcium specialist, you can upload your report. Our Calcium 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 FT4 thyroid : 0.89 - 1.76 ng/dL

Ideal values of FT4 thyroid depending on age :

Age	Ideal FT4 thyroid value
<5 years	0.90335
5-10 years	0.9169
10-15 years	0.93065
15-20 years	0.94461
20-25 years	0.95878
25-30 years	0.97316
30-35 years	0.98776
35-40 years	1.00258
40-45 years	1.01762
45-50 years	1.03288
50-55 years	1.04837
55-60 years	1.0641
60-70 years	1.08006
70-80 years	1.09626
80-90 years	1.1127
90-100 years	1.12939
>100 years	1.14633

High Calcium and low FT4 thyroid can be caused by a lot of reasons. If you take Calcium and FT4 thyroid blood tests and the results are higher than 10.1 mg/dL for Calcium and lower than 0.89 ng/dL for FT4 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 Calcium and FT4 thyroid Tests Are Done :

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