Cystatin C

More accurate marker of kidney function than creatinine

4/22Providers
Kidney FunctionCategory
0.53-0.95 mg/LReference

Limited Availability

4 providers include this

Category

Kidney Function

Reference Range

0.53-0.95 mg/L

What is Cystatin C?

More accurate marker of kidney function than creatinine

Why It Matters

More precise measure of kidney filtration, especially useful in elderly, muscular individuals, or those with abnormal creatinine. Better predictor of cardiovascular risk and mortality.

Reference Range: 0.53-0.95 mg/L

Which Providers Test Cystatin C?

Mito Health
Included in panel
Function
Included in panel
Marek Complete
Included in panel
Marek Exec.
Included in panel

Full Provider Comparison

ProviderIncludesAnnual CostBiomarkers
Superpower—$199100+ (150 with ratios)
WHOOP Advanced Labs—$34965
Labcorp OnDemand—$39830+
Life Extension—$48640+
Everlywell—$46883
Mito Health✓$349100+
InsideTracker—$68048
Function Health✓$499100+
Marek Health Base—$25045+
Marek Health Comprehensive—$49570+
Marek Health Complete✓$895100+
Marek Health Executive✓$1950150+
Blueprint Advanced—$1150110
Quest Health—$Varies75+
Empirical Health—$19085+
Oura Health Panels—$9950
SiPhox Health—$12560
Hims Labs Base—$19950
Hims Labs Advanced—$499120+
Healthspan—$34980+
Vitality Blueprint Standard—$37585
Vitality Blueprint Elite—$700129

Ready to Test Cystatin C?

4 providers include this biomarker in their panels

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Frequently Asked Questions

What does Cystatin C test for?
Cystatin C is a kidney function biomarker. More accurate marker of kidney function than creatinine The normal reference range is 0.53-0.95 mg/L.
Which providers include Cystatin C?
4 of 22 providers include this test:Mito Health, Function, Marek Complete, Marek Exec..
How often should I test Cystatin C?
For most people, testing 2-4 times per year is recommended to establish baseline levels and track trends. Consult your healthcare provider for personalized recommendations.
What is the optimal range?
The standard reference range is 0.53-0.95 mg/L. Many functional medicine practitioners recommend tighter optimal ranges for peak health. Your ideal range may vary based on age, sex, and health goals.
Why is Cystatin C important?
More precise measure of kidney filtration, especially useful in elderly, muscular individuals, or those with abnormal creatinine. Better predictor of cardiovascular risk and mortality.

Medical Disclaimer

This information is for educational purposes only and is not medical advice. Always consult with a qualified healthcare provider about your specific health needs.