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

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

High levels of Bilirubin direct and APTT in the blood indicate a variety of health problems. If your blood Bilirubin direct level is between 0 mg/dL to 0.2 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 direct and APTT levels exceed these levels, you should see a doctor immediately.

Normal Bilirubin direct range : 0 - 0.2 mg/dL

Age-wise ideal Bilirubin direct level in blood:

Age	Ideal Bilirubin direct value
<5 years	0.11462
5-10 years	0.11943
10-15 years	0.12445
15-20 years	0.12968
20-25 years	0.13513
25-30 years	0.14081
30-35 years	0.14672
35-40 years	0.15288
40-45 years	0.1593
45-50 years	0.16599
50-55 years	0.17296
55-60 years	0.18022
60-70 years	0.18779
70-80 years	0.19568
80-90 years	0.19534
90-100 years	0.19499
>100 years	0.19465

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

If you want your blood test report to be interpreted by Bilirubin direct specialist, then you can upload your report. Our Bilirubin direct 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 direct specialist, you can upload your report. Our Bilirubin direct 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 direct 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 0.2 mg/dL for Bilirubin direct 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 direct and APTT test. In most hospitals Bilirubin direct 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.