What causes high HbA1c and low GGT?

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

If your HbA1c is in between 4 % and 5.7 % and your GGT is in between 15 U/L and 85 U/L then you need not worry as these are the normal ranges for HbA1c and GGT 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	4.316
5-10 years	4.657
10-15 years	5.025
15-20 years	5.422
20-25 years	5.388
25-30 years	5.355
30-35 years	5.322
35-40 years	5.288
40-45 years	5.255
45-50 years	5.67
50-55 years	5.635
55-60 years	5.6
60-70 years	5.565
70-80 years	5.531
80-90 years	5.497
90-100 years	5.462
>100 years	5.427

*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 range of GGT : 15 - 85 U/L

Ideal values of GGT depending on age :

Age	Ideal GGT value
<5 years	16.185
5-10 years	17.464
10-15 years	18.844
15-20 years	20.333
20-25 years	21.939
25-30 years	23.672
30-35 years	25.542
35-40 years	27.56
40-45 years	29.737
45-50 years	32.086
50-55 years	34.621
55-60 years	37.356
60-70 years	40.307
70-80 years	43.491
80-90 years	46.927
90-100 years	50.634
>100 years	54.634

High HbA1c and low GGT can be caused by a lot of reasons. If you take HbA1c and GGT blood tests and the results are higher than 5.7 % for HbA1c and lower than 15 U/L for GGT, 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 GGT Tests Are Done :

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