What causes high HbA1c and low RDW?

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

If your HbA1c is in between 4 % and 5.7 % and your RDW is in between 11.6 % and 14 % then you need not worry as these are the normal ranges for HbA1c and RDW respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

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

HbA1c treatment - Click to read 10 GOLDEN ARTICLES on Diabetes

Normal range of HbA1c : 4 - 5.7 %

Ideal values of HbA1c depending on age :

Age	Ideal HbA1c value
<5 years	4.232
5-10 years	4.477
10-15 years	4.737
15-20 years	5.012
20-25 years	5.303
25-30 years	5.611
30-35 years	5.592
35-40 years	5.573
40-45 years	5.554
45-50 years	5.535
50-55 years	5.516
55-60 years	5.498
60-70 years	5.48
70-80 years	5.462
80-90 years	5.444
90-100 years	5.426
>100 years	5.408

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

Normal range of RDW : 11.6 - 14 %

Ideal values of RDW depending on age :

Age	Ideal RDW value
<5 years	12.273
5-10 years	12.985
10-15 years	13.738
15-20 years	13.692
20-25 years	13.646
25-30 years	13.6
30-35 years	13.554
35-40 years	13.508
40-45 years	13.462
45-50 years	13.417
50-55 years	13.372
55-60 years	13.327
60-70 years	13.282
70-80 years	13.237
80-90 years	13.193
90-100 years	13.958
>100 years	13.911

High HbA1c and low RDW can be caused by a lot of reasons. If you take HbA1c and RDW blood tests and the results are higher than 5.7 % for HbA1c and lower than 11.6 % for RDW, 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 RDW Tests Are Done :

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

Medical References

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