What does high APTT and Cystatin c mean in blood test?

High APTT and Cystatin c can be caused by numerous problems.

High levels of APTT and Cystatin c in the blood indicate a variety of health problems. If your blood APTT level is between 22 seconds to 35 seconds and the Cystatin c level is between 0.62 seconds to 1.03 mg/L, then your body does not have any underlying health problems. But if APTT and Cystatin c 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	22.409
5-10 years	22.826
10-15 years	23.25
15-20 years	23.682
20-25 years	24.122
25-30 years	24.57
30-35 years	25.027
35-40 years	25.492
40-45 years	25.966
45-50 years	26.449
50-55 years	26.941
55-60 years	27.442
60-70 years	27.952
70-80 years	28.472
80-90 years	29.001
90-100 years	29.54
>100 years	30.089

*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 Cystatin c range : 0.62 - 1.03 mg/L

Age-wise ideal Cystatin c level in blood:

Age	Ideal Cystatin c value
<5 years	0.632
5-10 years	0.644
10-15 years	0.656
15-20 years	0.668
20-25 years	0.68
25-30 years	0.693
30-35 years	0.706
35-40 years	0.719
40-45 years	0.732
45-50 years	0.746
50-55 years	0.76
55-60 years	0.774
60-70 years	0.788
70-80 years	0.803
80-90 years	0.818
90-100 years	0.833
>100 years	0.848

High APTT and Cystatin c 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 1.03 mg/L for Cystatin c, 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 Cystatin c test. In most hospitals APTT and Cystatin c 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.