Is APTT 21 low, normal or dangerous? What does APTT level 21 mean?
Your APTT level of 21 is a Low APTT level.
Low 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.
Important - Scroll to the end of this article to see how our patients managed their low APTT levels
The normal APTT range for men is :22 - 35 seconds
| Age | Ideal APTT value |
|---|---|
| <5 years | 22.462 |
| 5-10 years | 22.934 |
| 10-15 years | 23.416 |
| 15-20 years | 23.908 |
| 20-25 years | 24.41 |
| 25-30 years | 24.923 |
| 30-35 years | 25.446 |
| 35-40 years | 25.98 |
| 40-45 years | 26.526 |
| 45-50 years | 27.083 |
| 50-55 years | 27.652 |
| 55-60 years | 28.233 |
| 60-70 years | 28.826 |
| 70-80 years | 29.431 |
| 80-90 years | 30.049 |
| 90-100 years | 30.68 |
| >100 years | 31.324 |
*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
1,51,150
Total number of patients treatedImportant - Read more questions about low APTT levels after this video message
A video message on the treatment of your low APTT level
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
Important - At the end of this article read how our patients treated their low APTT levels
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 low APTT levels over email.Upload blood test report now
Important - At the end of this article read how our patients treated their low APTT levels
Normal range of APTT found among women :22-35 seconds
| Age | Ideal APTT value |
|---|---|
| <5 years | 22.476 |
| 5-10 years | 22.962 |
| 10-15 years | 23.459 |
| 15-20 years | 23.966 |
| 20-25 years | 24.484 |
| 25-30 years | 25.014 |
| 30-35 years | 25.555 |
| 35-40 years | 26.108 |
| 40-45 years | 26.673 |
| 45-50 years | 27.25 |
| 50-55 years | 27.839 |
| 55-60 years | 28.441 |
| 60-70 years | 29.056 |
| 70-80 years | 29.684 |
| 80-90 years | 30.326 |
| 90-100 years | 30.982 |
| >100 years | 31.652 |
Also Read :Symptoms of Low APTT
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.
