Kidney Function
Creatinine
Creatinine is a waste molecule from muscle metabolism. Healthy kidneys filter it out of the blood into urine.
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Medically Reviewed by ILoveHealthcare Advisory Board
Information verified for medical accuracy
Why is it tested?
To check kidney function. If kidneys are damaged, creatinine levels in blood go up.
What does a HIGH level mean?
- Kidney disease or damage
- Dehydration
- High meat intake
- Certain medications
What does a LOW level mean?
- Low muscle mass
- Severe liver disease
- Very low protein diet
Normal Reference Range
0.74 to 1.35 mg/dL (men) | 0.59 to 1.04 mg/dL (women)
*Ranges may vary slightly depending on the specific laboratory and testing methods used.
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