What does high APTT and Bilirubin indirect mean in blood test?

High APTT and Bilirubin indirect can be caused by numerous problems.

High levels of APTT and Bilirubin indirect in the blood indicate a variety of health problems. If your blood APTT level is between 22 seconds to 35 seconds and the Bilirubin indirect level is between 0.1 seconds to 1 mg/dL, then your body does not have any underlying health problems. But if APTT and Bilirubin indirect 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	22.401
5-10 years	22.809
10-15 years	23.224
15-20 years	23.647
20-25 years	24.078
25-30 years	24.516
30-35 years	24.962
35-40 years	25.417
40-45 years	25.88
45-50 years	26.351
50-55 years	26.831
55-60 years	27.32
60-70 years	27.817
70-80 years	28.324
80-90 years	28.84
90-100 years	29.365
>100 years	29.9

*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

1,37,160

Total number of patients treated

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 Bilirubin indirect range : 0.1 - 1 mg/dL

Age-wise ideal Bilirubin indirect level in blood:

Age	Ideal Bilirubin indirect value
<5 years	0.10182
5-10 years	0.10367
10-15 years	0.10556
15-20 years	0.10748
20-25 years	0.10944
25-30 years	0.11143
30-35 years	0.11346
35-40 years	0.11553
40-45 years	0.11763
45-50 years	0.11977
50-55 years	0.12195
55-60 years	0.12417
60-70 years	0.12643
70-80 years	0.12873
80-90 years	0.13107
90-100 years	0.13346
>100 years	0.13589

High APTT and Bilirubin indirect 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 mg/dL for Bilirubin indirect, 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 Bilirubin indirect test. In most hospitals APTT and Bilirubin indirect 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.