What causes high Cystatin c and low Bilirubin indirect?

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

If your Cystatin c is in between 0.62 mg/L and 1.03 mg/L and your Bilirubin indirect is in between 0.1 mg/dL and 1 mg/dL then you need not worry as these are the normal ranges for Cystatin c and Bilirubin indirect 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 Cystatin c levels include:

• Impaired kidney function
• Diabetes
• Obstructive sleep apnea
• Metabolic syndrome
• Heart disease

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	0.64
5-10 years	0.661
10-15 years	0.682
15-20 years	0.704
20-25 years	0.727
25-30 years	0.75
30-35 years	0.774
35-40 years	0.799
40-45 years	0.825
45-50 years	0.851
50-55 years	0.878
55-60 years	0.906
60-70 years	0.935
70-80 years	0.965
80-90 years	0.996
90-100 years	1.028
>100 years	1.027

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

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	0.10321
5-10 years	0.10652
10-15 years	0.10994
15-20 years	0.11347
20-25 years	0.11711
25-30 years	0.12087
30-35 years	0.12475
35-40 years	0.12875
40-45 years	0.13288
45-50 years	0.13715
50-55 years	0.14155
55-60 years	0.14609
60-70 years	0.15078
70-80 years	0.15562
80-90 years	0.16062
90-100 years	0.16578
>100 years	0.1711

High Cystatin c and low Bilirubin indirect can be caused by a lot of reasons. If you take Cystatin c and Bilirubin indirect blood tests and the results are higher than 1.03 mg/L for Cystatin c and lower than 0.1 mg/dL for Bilirubin indirect, 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 Cystatin c and Bilirubin indirect Tests Are Done :

If your doctor wants Cystatin c and Bilirubin indirect tests on you, you may need to go through these tests. During the Cystatin c and Bilirubin indirect 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 Cystatin c and Bilirubin indirect Test reports by your pathologist.

Medical References

• Cleveland Clinic – Estimated Glomerular Filtration Rate (eGFR): Test & Levels
• MedlinePlus – Glomerular Filtration Rate (GFR) Test
• NIH – Serum cystatin C as a marker of renal function in detection of early acute kidney injury
• NIH – Incorporation of Cystatin C Testing in Clinical Practice: Real World Experience in Sweden