What does high HbA1c and RDW SD mean in blood test?

High HbA1c and RDW SD can be caused by numerous problems.

High levels of HbA1c and RDW SD in the blood indicate a variety of health problems. If your blood HbA1c level is between 4 % to 5.7 % and the RDW SD level is between 39 % to 46 fL, then your body does not have any underlying health problems. But if HbA1c and RDW SD 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	4.168
5-10 years	4.343
10-15 years	4.525
15-20 years	4.715
20-25 years	4.913
25-30 years	5.119
30-35 years	5.334
35-40 years	5.558
40-45 years	5.548
45-50 years	5.538
50-55 years	5.529
55-60 years	5.519
60-70 years	5.509
70-80 years	5.499
80-90 years	5.489
90-100 years	5.48
>100 years	5.47

*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 SD range : 39 - 46 fL

Age-wise ideal RDW SD level in blood:

Age	Ideal RDW SD value
<5 years	40.638
5-10 years	42.345
10-15 years	44.123
15-20 years	45.976
20-25 years	45.895
25-30 years	45.814
30-35 years	45.733
35-40 years	45.653
40-45 years	45.572
45-50 years	45.492
50-55 years	45.412
55-60 years	45.332
60-70 years	45.252
70-80 years	45.173
80-90 years	45.093
90-100 years	45.014
>100 years	44.935

High HbA1c and RDW SD 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 46 fL for RDW SD, 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 SD test. In most hospitals HbA1c and RDW SD 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.