What causes high APTT and low Phosphate?

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

If your APTT is in between 22 seconds and 35 seconds and your Phosphate is in between 2.4 mg/dL and 4.5 mg/dL then you need not worry as these are the normal ranges for APTT and Phosphate 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	22.388
5-10 years	22.783
10-15 years	23.185
15-20 years	23.594
20-25 years	24.01
25-30 years	24.434
30-35 years	24.865
35-40 years	25.304
40-45 years	25.75
45-50 years	26.204
50-55 years	26.666
55-60 years	27.136
60-70 years	27.615
70-80 years	28.102
80-90 years	28.598
90-100 years	29.102
>100 years	29.615

*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 Phosphate : 2.4 - 4.5 mg/dL

Ideal values of Phosphate depending on age :

Age	Ideal Phosphate value
<5 years	2.442
5-10 years	2.485
10-15 years	2.529
15-20 years	2.574
20-25 years	2.619
25-30 years	2.665
30-35 years	2.712
35-40 years	2.76
40-45 years	2.809
45-50 years	2.859
50-55 years	2.909
55-60 years	2.96
60-70 years	3.012
70-80 years	3.065
80-90 years	3.119
90-100 years	3.174
>100 years	3.23

High APTT and low Phosphate can be caused by a lot of reasons. If you take APTT and Phosphate blood tests and the results are higher than 35 seconds for APTT and lower than 2.4 mg/dL for Phosphate, 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 Phosphate Tests Are Done :

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