What causes high MCHC and low BUN?

High MCHC and low BUN can be caused by many reasons.

If your MCHC is in between 31.5 g/dL and 34.5 g/dL and your BUN is in between 6 mg/dL and 20 mg/dL then you need not worry as these are the normal ranges for MCHC and BUN 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 MCHC : 31.5 - 34.5 g/dL

Ideal values of MCHC depending on age :

Age	Ideal MCHC value
<5 years	32.259
5-10 years	33.036
10-15 years	33.832
15-20 years	33.812
20-25 years	33.792
25-30 years	33.772
30-35 years	33.752
35-40 years	33.732
40-45 years	33.712
45-50 years	33.692
50-55 years	33.672
55-60 years	34.483
60-70 years	34.463
70-80 years	34.443
80-90 years	34.423
90-100 years	34.403
>100 years	34.383

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

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

• Iron deficiency anemia or Aplastic anemia
• Inflammatory disorders
• Bone marrow defects
• Hereditary spherocytosis
• Liver disease

If you want your blood test report to be interpreted by MCHC specialist, you can upload your report. Our MCHC 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 : 6 - 20 mg/dL

Ideal values of BUN depending on age :

Age	Ideal BUN value
<5 years	6.145
5-10 years	6.293
10-15 years	6.445
15-20 years	6.6
20-25 years	6.759
25-30 years	6.922
30-35 years	7.089
35-40 years	7.26
40-45 years	7.435
45-50 years	7.614
50-55 years	7.797
55-60 years	7.985
60-70 years	8.177
70-80 years	8.374
80-90 years	8.576
90-100 years	8.783
>100 years	8.995

High MCHC and low BUN can be caused by a lot of reasons. If you take MCHC and BUN blood tests and the results are higher than 34.5 g/dL for MCHC and lower than 6 mg/dL for BUN, 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 MCHC and BUN Tests Are Done :

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

Medical References

• WebMD – MCHC Blood Test
• NIH – Normal and Abnormal Complete Blood Count With Differential
• MedlinePlus – CBC blood test