HomeLab TestCystatin C Serum
Overview
The Cystatin C test determines the concentration of cystatin C in your blood.
Cystatin C is constantly produced by your body and is found in many body fluids such as blood and spinal fluid. When your kidneys are healthy, they filter cystatin C from...
Risk assessment
Chronic Kidney Disease and other renal disorders
Ranges
Normal Range of Cystatin C in the Blood
0.62 – 1.15 mg/L.
What does it mean when Cystatin C is high?
High levels of Cystatin C indicate kidney dysfunction. This means the GFR is low, and the kidney is not filtering the bodily fluids effectively. Th...
Test result interpretation
Any variation from the normal range of the cystatin c test indicates renal function and glomerular filtration rate.
Your doctor can use a cystatin C test to determine your GFR (glomerular filtration rate). The glomeruli, which are groupings of micr...
Sample types
Any variation from the normal range of the cystatin c test indicates renal function and glomerular filtration rate.
Your doctor can use a cystatin C test to determine your GFR (glomerular filtration rate). The glomeruli, which are groupings of micr...
Frequently Asked Questions
How long does a Cystatin C test take?
Does the Cystatin C test require fasting?
Why is Cystatin C better than creatinine?
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Cystatin C Serum
Precision in Kidney Health: Exploring the Cystatin C Serum Test



Offered by other lab partners
Sample Type:
blood
Fasting Required:
No
Description
This increase in cystatin C occurs as the GFR falls and is often detectable before there is a measurable decrease in kidney function (GFR). Because cystatin C levels fluctuate with changes in GFR, there has been interest in the cystatin C test as one method of evaluating kidney function.
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