What causes high Calcium and low RDW?

High Calcium and low RDW can be caused by many reasons.

If your Calcium is in between 8.5 mg/dL and 10.1 mg/dL and your RDW is in between 11.6 % and 14 % then you need not worry as these are the normal ranges for Calcium and RDW 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	8.592
5-10 years	8.685
10-15 years	8.779
15-20 years	8.874
20-25 years	8.97
25-30 years	9.067
30-35 years	9.165
35-40 years	9.264
40-45 years	9.364
45-50 years	9.465
50-55 years	9.567
55-60 years	9.67
60-70 years	9.774
70-80 years	9.88
80-90 years	9.987
90-100 years	10.095
>100 years	10.094

*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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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 RDW : 11.6 - 14 %

Ideal values of RDW depending on age :

Age	Ideal RDW value
<5 years	11.725
5-10 years	11.852
10-15 years	11.98
15-20 years	12.109
20-25 years	12.24
25-30 years	12.372
30-35 years	12.506
35-40 years	12.641
40-45 years	12.778
45-50 years	12.916
50-55 years	13.055
55-60 years	13.196
60-70 years	13.339
70-80 years	13.483
80-90 years	13.629
90-100 years	13.776
>100 years	13.925

High Calcium and low RDW can be caused by a lot of reasons. If you take Calcium and RDW blood tests and the results are higher than 10.1 mg/dL for Calcium and lower than 11.6 % for RDW, 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 RDW Tests Are Done :

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