
Cystatin C Test near me in Kolkata









The Cystatin C Test is a blood test that measures the level of cystatin C, a protein produced by all body cells and excreted by the kidneys. This test helps doctors see how well your kidneys are working, especially if other tests like creatinine are unreliable. It is widely available with Tata 1mg labs at an affordable price in Kolkata.
The Cystatin C Test test is often ordered when a doctor suspects kidney problems, but the typical kidney tests, such as creatinine or creatinine clearance, may not provide a clear picture. It is also done when there are symptoms indicating kidney issues, such as fatigue, swollen ankles, feet, and hands, changes in urine output, unexplained weight loss, etc., or if there are risk factors like hypertension, diabetes, or a family history of kidney disease. It can also be used to monitor kidney function in individuals undergoing treatments that may affect the kidneys.
No special preparation is required for the Cystatin C Test. Eat and drink as per the daily routine.








What does Cystatin C Test measure?
The Cystatin C Test test measures the amount of cystatin C. It is a protein produced by all nucleated cells in the body. The kidneys filter cystatin C from the blood. Its level in the blood can help estimate the glomerular filtration rate (GFR), a key indicator of kidney health. Higher than normal levels of cystatin C suggest that the kidneys are not filtering the protein efficiently. This indicates potential kidney dysfunction. This test is more sensitive than creatinine for detecting early kidney disease. It is especially useful for patients with unusual body types (such as those who are malnourished, practice a vegetarian diet, have amputated limbs, or have reduced muscle mass) or those at higher risk for kidney problems.





FAQs related to Cystatin C Test in Kolkata
- Cystatin C [Internet]. National Kidney Foundation; [Accessed 13 Feb. 2025]. Available from:
- Cystatin C [Internet]. Rochester, NY: University of Rochester Medical Center; [Accessed 13 Feb. 2025]. Available from:
- Benoit SW, Ciccia EA, Devarajan P. Cystatin C as a biomarker of chronic kidney disease: latest developments. Expert Rev Mol Diagn. 2020 Oct;20(10):1019-1026. [Accessed 13 Feb. 2025]. Available from:
- Vaidya SR, Aeddula NR. Chronic Kidney Disease. [Updated 2022 Oct 24]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2024 Jan-. Available from:
- Gounden V, Bhatt H, Jialal I. Renal Function Tests. [Updated 2024 Jul 27]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2025 Jan-. Available from:
- Shlipak MG, Matsushita K, Ärnlöv J, Inker LA, Katz R, Polkinghorne KR, Rothenbacher D, Sarnak MJ, Astor BC, Coresh J, Levey AS, Gansevoort RT; CKD Prognosis Consortium. Cystatin C versus creatinine in determining risk based on kidney function. N Engl J Med. 2013 Sep 5;369(10):932-43. [Accessed 13 Feb. 2025]. Available from:
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