What causes high MCV and low BUN Creatinine ratio?

High MCV and low BUN Creatinine ratio can be caused by many reasons.

If your MCV is in between 83 fL and 101 fL and your BUN Creatinine ratio is in between 5 Ratio and 15 Ratio then you need not worry as these are the normal ranges for MCV and BUN Creatinine ratio 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 MCV : 83 - 101 fL

Ideal values of MCV depending on age :

Age	Ideal MCV value
<5 years	86.262
5-10 years	89.652
10-15 years	93.175
15-20 years	96.837
20-25 years	100.643
25-30 years	100.487
30-35 years	100.332
35-40 years	100.177
40-45 years	100.022
45-50 years	99.868
50-55 years	99.714
55-60 years	99.56
60-70 years	99.407
70-80 years	99.254
80-90 years	99.101
90-100 years	98.948
>100 years	98.796

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

If you want your blood test report to be interpreted by MCV specialist, then you can upload your report. Our MCV 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 MCV levels include:

• Aplastic anemia
• Cold agglutinin disease
• Chronic hypoxia
• Low vitamin B12 level
• Myelodysplastic syndrome

If you want your blood test report to be interpreted by MCV specialist, you can upload your report. Our MCV 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 BUN Creatinine ratio : 5 - 15 Ratio

Ideal values of BUN Creatinine ratio depending on age :

Age	Ideal BUN Creatinine ratio value
<5 years	5.197
5-10 years	5.401
10-15 years	5.613
15-20 years	5.834
20-25 years	6.063
25-30 years	6.301
30-35 years	6.549
35-40 years	6.806
40-45 years	7.073
45-50 years	7.351
50-55 years	7.64
55-60 years	7.94
60-70 years	8.252
70-80 years	8.576
80-90 years	8.913
90-100 years	9.263
>100 years	9.627

High MCV and low BUN Creatinine ratio can be caused by a lot of reasons. If you take MCV and BUN Creatinine ratio blood tests and the results are higher than 101 fL for MCV and lower than 5 Ratio for BUN Creatinine ratio, 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 MCV and BUN Creatinine ratio Tests Are Done :

If your doctor wants MCV and BUN Creatinine ratio tests on you, you may need to go through these tests. During the MCV and BUN Creatinine ratio 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 MCV and BUN Creatinine ratio Test reports by your pathologist.

Medical References

• MedlinePlus – MCV (Mean Corpuscular Volume)
• Cleveland Clinic – Mean Corpuscular Volume (MCV) Blood Test
• WebMD – Mean Corpuscular Volume (MCV) Blood Test