LabwiseLabwise › Tests › Metabolic panel (CMP)
Cystatin Cmg/L
Cystatin C is a small protein cleared by the kidneys. It estimates kidney filtration without being affected by muscle mass the way creatinine is.
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What Cystatin C measures
Cystatin C is a small protein cleared by the kidneys. It estimates kidney filtration without being affected by muscle mass the way creatinine is.
If your Cystatin C is low
Cystatin C below the range is commonly associated with strong kidney filtration or an underactive thyroid.
Commonly associated with
- Strong kidney filtration
- Underactive thyroid
If your Cystatin C is high
Cystatin C above the range is commonly associated with reduced kidney filtration; thyroid function, corticosteroids and inflammation can also raise it.
Commonly associated with
- Reduced kidney filtration
- Overactive thyroid
- Corticosteroid medication
- Inflammation
Typical reference range
| Group | Typical range |
|---|---|
| Adults | 0.53 – 0.95 mg/L |
Typical adult values used by many US labs. Your own report prints the range your lab validated for its method, and that range is the one that counts. Labwise always uses the printed range first.
If it is within range
Your cystatin C is within the range printed by your lab.
Also listed as
Cystatin C, Serum, Cystatin-C
Related tests
This page is general information about what a laboratory test measures and what results outside a reference range are commonly associated with. It is not medical advice, does not diagnose any condition and does not replace your clinician. Discuss your results with your healthcare provider.