Cystatin C is a protein that is produced by the cells in your body. When kidneys are working well, they keep the level of cystatin C in your blood just right.
If you have an abnormally high concentration of cystatin C in your blood, it means you may have a kidney condition, such as chronic kidney disease. Higher levels of cystatin C may also be caused by diabetes, cancer, HIV, hyperthyroidism, or hypothyroidism.
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- Fasting Required: NO
- Preferred Specimen: Serum
- Reference Range(s): 0.50-1.00 mg/L
- Turnaround Time: 5 Days
- Test Code: 10570