What causes high TIBC and low APTT?

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

If your TIBC is in between 250 mcg/dL and 450 mcg/dL and your APTT is in between 22 seconds and 35 seconds then you need not worry as these are the normal ranges for TIBC and APTT 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 TIBC : 250 - 450 mcg/dL

Ideal values of TIBC depending on age :

Age	Ideal TIBC value
<5 years	254.4
5-10 years	258.877
10-15 years	263.433
15-20 years	268.069
20-25 years	272.787
25-30 years	277.588
30-35 years	282.474
35-40 years	287.446
40-45 years	292.505
45-50 years	297.653
50-55 years	302.892
55-60 years	308.223
60-70 years	313.648
70-80 years	319.168
80-90 years	324.785
90-100 years	330.501
>100 years	336.318

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

If you want your blood test report to be interpreted by TIBC specialist, then you can upload your report. Our TIBC 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 TIBC levels include:

• Iron deficiency
• Iron poisoning
• Inflammation
• Chronic liver disease
• Hemochromatosis

If you want your blood test report to be interpreted by TIBC specialist, you can upload your report. Our TIBC 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 APTT : 22 - 35 seconds

Ideal values of APTT depending on age :

Age	Ideal APTT value
<5 years	22.387
5-10 years	22.781
10-15 years	23.182
15-20 years	23.59
20-25 years	24.005
25-30 years	24.427
30-35 years	24.857
35-40 years	25.294
40-45 years	25.739
45-50 years	26.192
50-55 years	26.653
55-60 years	27.122
60-70 years	27.599
70-80 years	28.085
80-90 years	28.579
90-100 years	29.082
>100 years	29.594

High TIBC and low APTT can be caused by a lot of reasons. If you take TIBC and APTT blood tests and the results are higher than 450 mcg/dL for TIBC and lower than 22 seconds for APTT, 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 TIBC and APTT Tests Are Done :

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