Clarilab

Kidney and electrolytes

Creatinine test

A waste product from muscles, cleared by the kidneys.

Typical range
Women about 0.5–1.1, men 0.7–1.3 mg/dL.
Usual recheck
About 3 months when out of range

Why it's done

The main blood test of kidney function.

What a high result can mean

The kidneys may be filtering less. Also higher with dehydration, high muscle mass or creatine supplements.

What a low result can mean

Low muscle mass; usually not a concern.

Got a report with Creatinine?

Upload the PDF to Clarilab: it reads the values in your browser, flags anything out of range and tracks your results over time.