What does high BUN and MCV mean in blood test?

High BUN and MCV can be caused by numerous problems.

High levels of BUN and MCV 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 MCV level is between 83 mg/dL to 101 fL, then your body does not have any underlying health problems. But if BUN and MCV 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	6.078
5-10 years	6.157
10-15 years	6.237
15-20 years	6.318
20-25 years	6.4
25-30 years	6.484
30-35 years	6.569
35-40 years	6.655
40-45 years	6.742
45-50 years	6.83
50-55 years	6.919
55-60 years	7.009
60-70 years	7.1
70-80 years	7.193
80-90 years	7.287
90-100 years	7.382
>100 years	7.478

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

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Normal MCV range : 83 - 101 fL

Age-wise ideal MCV level in blood:

Age	Ideal MCV value
<5 years	84.083
5-10 years	85.18
10-15 years	86.292
15-20 years	87.418
20-25 years	88.559
25-30 years	89.715
30-35 years	90.886
35-40 years	92.072
40-45 years	93.274
45-50 years	94.491
50-55 years	95.724
55-60 years	96.973
60-70 years	98.238
70-80 years	99.52
80-90 years	100.819
90-100 years	100.802
>100 years	100.784

High BUN and MCV 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 101 fL for MCV, 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 MCV test. In most hospitals BUN and MCV 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.