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Medical Wiki

Cystatin C

A kidney-filtration marker that can complement creatinine-based kidney-function estimates in selected contexts.

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What it is

Cystatin C is a blood marker used in some kidney-function evaluation contexts.^[1,2]

Why it matters

It can provide kidney filtration information that complements creatinine-based estimates in selected situations.^[1,2]

What it affects

It can feed into eGFR estimation models.^[1,2]
It links kidney filtration to body-composition limitations of creatinine.^[1,2]

Interpretation traps

It is not a universal replacement for creatinine.^[1,2]
BioConst does not interpret cystatin C or eGFR results.^[1,2]