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biochemistryHas Critical Values
Creatinine
Cr· also: Creat, SCr
Clinical Overview
Creatinine is a waste product from muscle metabolism filtered by the kidneys. Elevated creatinine indicates impaired kidney function.
Reference RangesWHO/IFCC standards
| Age Group | Sex | Reference Range | Unit | Notes |
|---|---|---|---|---|
| Adults (18–64) | Male | 0.74 – 1.35 | mg/dL | — |
| Adults (18–64) | Female | 0.59 – 1.04 | mg/dL | — |
Also reported in: µmol/L.Conversion factor: 1 µmol/L = 88.496 mg/dL.
Critical (Panic) Values
Critical High: > 10 mg/dL. Values outside these limits require immediate clinical attention.
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Related Topics
kidneyrenalRFTGFR