What causes high Cystatin c and low Lipoprotein a?

High Cystatin c and low Lipoprotein a can be caused by many reasons.

If your Cystatin c is in between 0.62 mg/L and 1.03 mg/L and your Lipoprotein a is in between 1 mg/dl and 30 mg/dl then you need not worry as these are the normal ranges for Cystatin c and Lipoprotein a 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	0.642
5-10 years	0.665
10-15 years	0.689
15-20 years	0.714
20-25 years	0.74
25-30 years	0.767
30-35 years	0.795
35-40 years	0.824
40-45 years	0.854
45-50 years	0.885
50-55 years	0.917
55-60 years	0.95
60-70 years	0.984
70-80 years	1.02
80-90 years	1.019
90-100 years	1.018
>100 years	1.017

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

Normal range of Lipoprotein a : 1 - 30 mg/dl

Ideal values of Lipoprotein a depending on age :

Age	Ideal Lipoprotein a value
<5 years	1.036
5-10 years	1.073
10-15 years	1.112
15-20 years	1.152
20-25 years	1.194
25-30 years	1.237
30-35 years	1.282
35-40 years	1.328
40-45 years	1.376
45-50 years	1.426
50-55 years	1.477
55-60 years	1.53
60-70 years	1.585
70-80 years	1.642
80-90 years	1.701
90-100 years	1.762
>100 years	1.826

High Cystatin c and low Lipoprotein a can be caused by a lot of reasons. If you take Cystatin c and Lipoprotein a blood tests and the results are higher than 1.03 mg/L for Cystatin c and lower than 1 mg/dl for Lipoprotein a, 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 Lipoprotein a Tests Are Done :

If your doctor wants Cystatin c and Lipoprotein a tests on you, you may need to go through these tests. During the Cystatin c and Lipoprotein a 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 Lipoprotein a 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