What causes high Bilirubin indirect and low Cystatin c?

High Bilirubin indirect and low Cystatin c can be caused by many reasons.

If your Bilirubin indirect is in between 0.1 mg/dL and 1 mg/dL and your Cystatin c is in between 0.62 mg/L and 1.03 mg/L then you need not worry as these are the normal ranges for Bilirubin indirect and Cystatin c respectively. But if your levels are lesser or greater than the above values, then there may be some problem in your body.

Some examples of conditions that can 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

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Normal range of Bilirubin indirect : 0.1 - 1 mg/dL

Ideal values of Bilirubin indirect depending on age :

Age	Ideal Bilirubin indirect value
<5 years	0.10119
5-10 years	0.10239
10-15 years	0.10361
15-20 years	0.10484
20-25 years	0.10609
25-30 years	0.10735
30-35 years	0.10863
35-40 years	0.10992
40-45 years	0.11123
45-50 years	0.11255
50-55 years	0.11389
55-60 years	0.11525
60-70 years	0.11662
70-80 years	0.11801
80-90 years	0.11941
90-100 years	0.12083
>100 years	0.12227

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

Normal range of Cystatin c : 0.62 - 1.03 mg/L

Ideal values of Cystatin c depending on age :

Age	Ideal Cystatin c value
<5 years	0.627
5-10 years	0.634
10-15 years	0.642
15-20 years	0.65
20-25 years	0.658
25-30 years	0.666
30-35 years	0.674
35-40 years	0.682
40-45 years	0.69
45-50 years	0.698
50-55 years	0.706
55-60 years	0.714
60-70 years	0.722
70-80 years	0.731
80-90 years	0.74
90-100 years	0.749
>100 years	0.758

High Bilirubin indirect and low Cystatin c can be caused by a lot of reasons. If you take Bilirubin indirect and Cystatin c blood tests and the results are higher than 1 mg/dL for Bilirubin indirect and lower than 0.62 mg/L for Cystatin c, your physician may recommend more tests to figure out the problem. You might also get these tests if your physician thinks you have some other disease.

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How the Bilirubin indirect and Cystatin c Tests Are Done :

If your doctor wants Bilirubin indirect and Cystatin c tests on you, you may need to go through these tests. During the Bilirubin indirect and Cystatin c blood tests, a pathologist will put a needle into your veins and take out a small quantity of blood. A pathologist is a physician in the medical field who thoroughly studies the causes and effects of disease. Within a few hours you will get your Bilirubin indirect and Cystatin c Test reports by your pathologist.

Medical References

• Cleveland Clinic – Bilirubin Test: Understanding High vs. Low Levels & Causes
• Mayo Clinic – Bilirubin test
• MedlinePlus – Bilirubin Blood Test
• WebMD – Bilirubin Test: High vs. Low Levels, Direct vs. Indirect
• NIH – Physiology, Bilirubin