Is APTT 40 high, normal or dangerous? What does APTT level 40 mean?

Your APTT level of 40 is a High APTT level.

High APTT levels may indicate underlying health problems. The normal range is typically between 22 seconds and 35 seconds. If your levels are outside this range, it's important to speak with a healthcare provider. Consulting a doctor is recommended to determine the cause and appropriate next steps.

The normal APTT range for men is :22 - 35 seconds

Ideal values of APTT depending on age (male) :

Age	Ideal APTT value
<5 years	22.88
5-10 years	23.795
10-15 years	24.747
15-20 years	25.737
20-25 years	26.766
25-30 years	27.837
30-35 years	28.95
35-40 years	30.108
40-45 years	31.312
45-50 years	32.564
50-55 years	33.867
55-60 years	33.813
60-70 years	33.759
70-80 years	33.705
80-90 years	33.651
90-100 years	34.997
>100 years	34.941

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

Get Advice via Email : Send us your blood test report, and our APTT experts will review it. You'll receive a detailed analysis and personalized treatment guidance via email within 12 hours. If you have additional blood test results besides APTT, please include those too—an accurate diagnosis often requires a full view of all abnormalities. Upload blood test report now

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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

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

Receive world-class medical opinion about your high APTT levels over email.Upload blood test report now

Normal range of APTT found among women :22-35 seconds

Ideal values of APTT depending on age (female) :

Age	Ideal APTT value
<5 years	22.906
5-10 years	23.85
10-15 years	24.833
15-20 years	25.856
20-25 years	26.921
25-30 years	28.03
30-35 years	29.185
35-40 years	30.387
40-45 years	31.639
45-50 years	32.943
50-55 years	34.3
55-60 years	34.242
60-70 years	34.184
70-80 years	34.126
80-90 years	34.068
90-100 years	34.011
>100 years	33.953

If you take a APTT blood test and the results are not in the normal range (22-35 seconds), your physician may recommend more tests to figure out the problem. You might also get this test if your physician thinks you have some other disease.

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How the APTT Test Is Done :

When your doctor orders a APTT test, it involves a straightforward blood draw to measure your APTT levels. A pathologist or lab technician will take a small sample of blood from a vein using a needle. Your APTT test results are usually available within a few hours.