What does high HbA1c and FT4 thyroid mean in blood test?

High HbA1c and FT4 thyroid can be caused by numerous problems.

High levels of HbA1c and FT4 thyroid in the blood indicate a variety of health problems. If your blood HbA1c level is between 4 % to 5.7 % and the FT4 thyroid level is between 0.89 % to 1.76 ng/dL, then your body does not have any underlying health problems. But if HbA1c and FT4 thyroid 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	4.16
5-10 years	4.326
10-15 years	4.499
15-20 years	4.679
20-25 years	4.866
25-30 years	5.061
30-35 years	5.263
35-40 years	5.474
40-45 years	5.693
45-50 years	5.684
50-55 years	5.675
55-60 years	5.666
60-70 years	5.657
70-80 years	5.648
80-90 years	5.639
90-100 years	5.63
>100 years	5.621

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

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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
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• 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 FT4 thyroid range : 0.89 - 1.76 ng/dL

Age-wise ideal FT4 thyroid level in blood:

Age	Ideal FT4 thyroid value
<5 years	0.9256
5-10 years	0.96262
10-15 years	1.00112
15-20 years	1.04116
20-25 years	1.08281
25-30 years	1.12612
30-35 years	1.17116
35-40 years	1.21801
40-45 years	1.26673
45-50 years	1.3174
50-55 years	1.3701
55-60 years	1.4249
60-70 years	1.4819
70-80 years	1.54118
80-90 years	1.60283
90-100 years	1.66694
>100 years	1.73362

High HbA1c and FT4 thyroid 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 1.76 ng/dL for FT4 thyroid, 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 FT4 thyroid test. In most hospitals HbA1c and FT4 thyroid 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.