What causes high APTT and low HbA1c?

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

If your APTT is in between 22 seconds and 35 seconds and your HbA1c is in between 4 % and 5.7 % then you need not worry as these are the normal ranges for APTT and HbA1c 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 APTT : 22 - 35 seconds

Ideal values of APTT depending on age :

Age	Ideal APTT value
<5 years	22.378
5-10 years	22.762
10-15 years	23.153
15-20 years	23.551
20-25 years	23.955
25-30 years	24.366
30-35 years	24.784
35-40 years	25.21
40-45 years	25.643
45-50 years	26.083
50-55 years	26.531
55-60 years	26.987
60-70 years	27.45
70-80 years	27.921
80-90 years	28.4
90-100 years	28.888
>100 years	29.384

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

If you want your blood test report to be interpreted by APTT specialist, then you can upload your report. Our APTT 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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Some examples of conditions that increase or decrease APTT levels include:

• Liver disease
• Vitamin K abnormality
• Decreased or defective factor I (fibrinogen), II (prothrombin), V or X
• Hemophilia A and hemophilia B
• Willebrand disease

If you want your blood test report to be interpreted by APTT specialist, you can upload your report. Our APTT 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 HbA1c : 4 - 5.7 %

Ideal values of HbA1c depending on age :

Age	Ideal HbA1c value
<5 years	4.069
5-10 years	4.139
10-15 years	4.21
15-20 years	4.282
20-25 years	4.356
25-30 years	4.431
30-35 years	4.507
35-40 years	4.584
40-45 years	4.663
45-50 years	4.743
50-55 years	4.824
55-60 years	4.907
60-70 years	4.991
70-80 years	5.077
80-90 years	5.164
90-100 years	5.253
>100 years	5.343

High APTT and low HbA1c can be caused by a lot of reasons. If you take APTT and HbA1c blood tests and the results are higher than 35 seconds for APTT and lower than 4 % for HbA1c, 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 APTT and HbA1c Tests Are Done :

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