What causes high HbA1c and low BUN?

High HbA1c and low BUN can be caused by many reasons.

If your HbA1c is in between 4 % and 5.7 % 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 HbA1c 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 HbA1c : 4 - 5.7 %

Ideal values of HbA1c depending on age :

Age	Ideal HbA1c value
<5 years	4.364
5-10 years	4.761
10-15 years	5.194
15-20 years	5.667
20-25 years	5.62
25-30 years	5.573
30-35 years	5.527
35-40 years	5.481
40-45 years	5.436
45-50 years	5.391
50-55 years	5.347
55-60 years	5.303
60-70 years	5.259
70-80 years	5.216
80-90 years	5.691
90-100 years	5.644
>100 years	5.598

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

If you want your blood test report to be interpreted by HbA1c specialist, then you can upload your report. Our HbA1c 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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Total number of patients treated

HbA1c treatment - Click to read 10 GOLDEN ARTICLES on Diabetes

Long-term complications of diabetes develop gradually. The longer you have diabetes the higher the risk of complications. Eventually, diabetes complications may be disabling or even life-threatening. Possible complications include:

• Kidney damage
• Eye damage
• Foot damage
• Alzheimer's disease
• Heart and blood vessel disease

If you want your blood test report to be interpreted by HbA1c specialist, you can upload your report. Our HbA1c 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	6.546
5-10 years	7.142
10-15 years	7.792
15-20 years	8.501
20-25 years	9.275
25-30 years	10.119
30-35 years	11.04
35-40 years	12.045
40-45 years	13.141
45-50 years	14.337
50-55 years	15.642
55-60 years	17.065
60-70 years	18.618
70-80 years	18.464
80-90 years	18.311
90-100 years	19.977
>100 years	19.812

High HbA1c and low BUN can be caused by a lot of reasons. If you take HbA1c and BUN blood tests and the results are higher than 5.7 % for HbA1c 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 HbA1c and BUN Tests Are Done :

If your doctor wants HbA1c and BUN tests on you, you may need to go through these tests. During the HbA1c 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 HbA1c and BUN Test reports by your pathologist.

Medical References

• MedlinePlus – Hemoglobin A1C (HbA1c) Test
• NIH – The A1C Test & Diabetes
• Mayo Clinic – A1C test