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

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

High levels of Bilirubin indirect and APTT in the blood indicate a variety of health problems. If your blood Bilirubin indirect level is between 0.1 mg/dL to 1 mg/dL and the APTT level is between 22 mg/dL to 35 seconds, then your body does not have any underlying health problems. But if Bilirubin indirect and APTT levels exceed these levels, you should see a doctor immediately.

Normal Bilirubin indirect range : 0.1 - 1 mg/dL

Age-wise ideal Bilirubin indirect level in blood:

Age	Ideal Bilirubin indirect value
<5 years	0.1042
5-10 years	0.10858
10-15 years	0.11314
15-20 years	0.11789
20-25 years	0.12284
25-30 years	0.128
30-35 years	0.13338
35-40 years	0.13898
40-45 years	0.14482
45-50 years	0.1509
50-55 years	0.15724
55-60 years	0.16384
60-70 years	0.17072
70-80 years	0.17789
80-90 years	0.18536
90-100 years	0.19315
>100 years	0.20126

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

If you want your blood test report to be interpreted by Bilirubin indirect specialist, then you can upload your report. Our Bilirubin indirect 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 Bilirubin levels include:

• Gallstones present in the bile ducts
• Hepatitis A, hepatitis B, hepatitis C
• Scarring of the bile ducts
• Lack of oxygen (hypoxia)
• Liver disease

If you want your blood test report to be interpreted by Bilirubin indirect specialist, you can upload your report. Our Bilirubin indirect 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 APTT range : 22 - 35 seconds

Age-wise ideal APTT level in blood:

Age	Ideal APTT value
<5 years	22.924
5-10 years	23.887
10-15 years	24.89
15-20 years	25.935
20-25 years	27.024
25-30 years	28.159
30-35 years	29.342
35-40 years	30.574
40-45 years	31.858
45-50 years	33.196
50-55 years	34.59
55-60 years	34.529
60-70 years	34.468
70-80 years	34.408
80-90 years	34.347
90-100 years	34.287
>100 years	34.226

High Bilirubin indirect and APTT 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 1 mg/dL for Bilirubin indirect and more than 35 seconds for APTT, 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 Bilirubin indirect and APTT test. In most hospitals Bilirubin indirect and APTT 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.