Is APTT 37 high, normal or dangerous? What does APTT level 37 mean?

Your APTT level of 37 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	22.814
5-10 years	23.658
10-15 years	24.533
15-20 years	25.441
20-25 years	26.382
25-30 years	27.358
30-35 years	28.37
35-40 years	29.42
40-45 years	30.509
45-50 years	31.638
50-55 years	32.809
55-60 years	34.023
60-70 years	33.977
70-80 years	33.93
80-90 years	33.883
90-100 years	33.837
>100 years	33.791

*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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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	22.838
5-10 years	23.708
10-15 years	24.612
15-20 years	25.55
20-25 years	26.524
25-30 years	27.535
30-35 years	28.584
35-40 years	29.673
40-45 years	30.804
45-50 years	31.978
50-55 years	33.197
55-60 years	34.462
60-70 years	34.412
70-80 years	34.362
80-90 years	34.313
90-100 years	34.263
>100 years	34.213

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.