What does high HbA1c and RDW mean in blood test?

High HbA1c and RDW can be caused by numerous problems.

High levels of HbA1c and RDW in the blood indicate a variety of health problems. If your blood HbA1c level is between 4 % to 5.7 % and the RDW level is between 11.6 % to 14 %, then your body does not have any underlying health problems. But if HbA1c and RDW levels exceed these levels, you should see a doctor immediately.

Normal HbA1c range : 4 - 5.7 %

Age-wise ideal HbA1c level in blood:

Age	Ideal HbA1c value
<5 years	4.143
5-10 years	4.291
10-15 years	4.445
15-20 years	4.604
20-25 years	4.769
25-30 years	4.94
30-35 years	5.117
35-40 years	5.3
40-45 years	5.49
45-50 years	5.687
50-55 years	5.68
55-60 years	5.672
60-70 years	5.665
70-80 years	5.658
80-90 years	5.651
90-100 years	5.643
>100 years	5.636

*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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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 RDW range : 11.6 - 14 %

Age-wise ideal RDW level in blood:

Age	Ideal RDW value
<5 years	12.015
5-10 years	12.445
10-15 years	12.891
15-20 years	13.352
20-25 years	13.83
25-30 years	13.812
30-35 years	13.794
35-40 years	13.776
40-45 years	13.758
45-50 years	13.741
50-55 years	13.723
55-60 years	13.705
60-70 years	13.688
70-80 years	13.67
80-90 years	13.652
90-100 years	13.635
>100 years	13.617

High HbA1c and RDW 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 5.7 % for HbA1c and more than 14 % for RDW, 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 HbA1c and RDW test. In most hospitals HbA1c and RDW 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.