What does high BUN and Phosphate mean in blood test?

High BUN and Phosphate can be caused by numerous problems.

High levels of BUN and Phosphate 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 Phosphate level is between 2.4 mg/dL to 4.5 mg/dL, then your body does not have any underlying health problems. But if BUN and Phosphate 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	6.082
5-10 years	6.165
10-15 years	6.249
15-20 years	6.334
20-25 years	6.42
25-30 years	6.508
30-35 years	6.597
35-40 years	6.687
40-45 years	6.778
45-50 years	6.87
50-55 years	6.964
55-60 years	7.059
60-70 years	7.155
70-80 years	7.253
80-90 years	7.352
90-100 years	7.452
>100 years	7.554

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

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Normal Phosphate range : 2.4 - 4.5 mg/dL

Age-wise ideal Phosphate level in blood:

Age	Ideal Phosphate value
<5 years	2.433
5-10 years	2.466
10-15 years	2.5
15-20 years	2.534
20-25 years	2.569
25-30 years	2.604
30-35 years	2.64
35-40 years	2.676
40-45 years	2.713
45-50 years	2.75
50-55 years	2.788
55-60 years	2.826
60-70 years	2.865
70-80 years	2.904
80-90 years	2.944
90-100 years	2.984
>100 years	3.025

High BUN and Phosphate 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 4.5 mg/dL for Phosphate, 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 Phosphate test. In most hospitals BUN and Phosphate 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.