What does high BUN and Calcium mean in blood test?

High BUN and Calcium can be caused by numerous problems.

High levels of BUN and Calcium in the blood indicate a variety of health problems. If your blood BUN level is between 6 mg/dL to 20 mg/dL and the Calcium level is between 8.5 mg/dL to 10.1 mg/dL, then your body does not have any underlying health problems. But if BUN and Calcium levels exceed these levels, you should see a doctor immediately.

Normal BUN range : 6 - 20 mg/dL

Age-wise ideal BUN level in blood:

Age	Ideal BUN value
<5 years	6.08
5-10 years	6.161
10-15 years	6.243
15-20 years	6.326
20-25 years	6.41
25-30 years	6.495
30-35 years	6.582
35-40 years	6.67
40-45 years	6.759
45-50 years	6.849
50-55 years	6.94
55-60 years	7.032
60-70 years	7.126
70-80 years	7.221
80-90 years	7.317
90-100 years	7.414
>100 years	7.513

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

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Normal Calcium range : 8.5 - 10.1 mg/dL

Age-wise ideal Calcium level in blood:

Age	Ideal Calcium value
<5 years	8.613
5-10 years	8.728
10-15 years	8.844
15-20 years	8.962
20-25 years	9.081
25-30 years	9.202
30-35 years	9.325
35-40 years	9.449
40-45 years	9.575
45-50 years	9.703
50-55 years	9.832
55-60 years	9.963
60-70 years	10.096
70-80 years	10.094
80-90 years	10.092
90-100 years	10.09
>100 years	10.088

High BUN and Calcium levels in the blood can cause a number of health problems. Your GP may recommend follow-up tests to get an important picture of your overall health and well-being. If the results are greater than 20 mg/dL for BUN and more than 10.1 mg/dL for Calcium, you may also need some follow-up tests that will help detect the underlying disease early.

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How is a blood test performed in the lab?

Depending on the symptoms you are experiencing, your doctor may order a BUN and Calcium test. In most hospitals BUN and Calcium results can be obtained within three to six hours after blood is taken. The blood is usually drawn from a vein on the inside of the elbow or the back of the hand. Drink plenty of water before your appointment. If you experience any symptoms that you are concerned about are out of the ordinary, call your doctor immediately.