What does high APTT and Prothrombin time mean in blood test?

High APTT and Prothrombin time can be caused by numerous problems.

High levels of APTT and Prothrombin time in the blood indicate a variety of health problems. If your blood APTT level is between 22 seconds to 35 seconds and the Prothrombin time level is between 12 seconds to 16 seconds, then your body does not have any underlying health problems. But if APTT and Prothrombin time levels exceed these levels, you should see a doctor immediately.

Normal APTT range : 22 - 35 seconds

Age-wise ideal APTT level in blood:
Age Ideal APTT value
<5 years 22.411
5-10 years 22.83
10-15 years 23.256
15-20 years 23.69
20-25 years 24.133
25-30 years 24.584
30-35 years 25.043
35-40 years 25.511
40-45 years 25.988
45-50 years 26.473
50-55 years 26.968
55-60 years 27.472
60-70 years 27.985
70-80 years 28.508
80-90 years 29.041
90-100 years 29.583
>100 years 30.136

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

Your APTT result may be wrong. Click to know the reason in detail

Click here to know Symptoms of High APTT

Click here to know Symptoms of High Prothrombin time

Besides Lab test failures, there are many other reasons for inaccurate blood results. Know the common reasons for inaccurate blood test results

Normal Prothrombin time range : 12 - 16 seconds

Age-wise ideal Prothrombin time level in blood:
Age Ideal Prothrombin time value
<5 years 12.224
5-10 years 12.452
10-15 years 12.685
15-20 years 12.922
20-25 years 13.163
25-30 years 13.409
30-35 years 13.659
35-40 years 13.914
40-45 years 14.174
45-50 years 14.439
50-55 years 14.709
55-60 years 14.984
60-70 years 15.264
70-80 years 15.549
80-90 years 15.839
90-100 years 15.834
>100 years 15.829

Click here to know Symptoms of High APTT

Click here to know Symptoms of High Prothrombin time

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Click here to consult a doctor for your Low APTT problem

High APTT and Prothrombin time 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 35 seconds for APTT and more than 16 seconds for Prothrombin time, 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 APTT and Prothrombin time test. In most hospitals APTT and Prothrombin time 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.

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Click here to consult a doctor for your Low APTT problem

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