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Kidney

Creatinine

A waste product of normal muscle turnover that the kidneys filter out of the blood.

Unit mg/dLTypical adult range 0.7–1.3 mg/dL
What it is

A waste product of normal muscle turnover that the kidneys filter out of the blood.

Why it matters

It is the input to the eGFR estimate, which is the number kidney function is actually judged on.

Reading the number

More muscle means more creatinine at the same kidney function, so athletes read high and it means nothing. Dehydration raises it temporarily.

What moves it
muscle massrecent intense exercisehydrationhigh protein or creatine intakesome medications
Read alongside
Estimated GFRUreaUric acidCystatin CPotassiumBlood urea nitrogenCreatine kinaseAluminum
When to raise it

Worth discussing a steady rise held across several tests.

Tracking only, not a diagnosis. The range above is a typical adult reference range — the range printed by the lab that ran your test is the one that applies to you. Discuss anything that concerns you with your doctor.

Also known as

On a report in another language.

A lab report names this analyte in its own language. Vitals Vault recognises each of these and files them all under Creatinine.

CreatininaKreatiniinKreatininCréatinineCreatininémia

Track your creatinine over time.

Creatinine is one of 165 analytes Vitals Vault charts over time. Import a lab report in any language and this number lands on a timeline only you can read.

Continue with Google
Tracking only. This app is not medical advice. Always discuss results and future analysis with your doctor.

Catalog entry last updated 2026-08-27. Browse all 165 metrics.