Kidney Function
Normal range 0.6–1.3 mg/dL (53–115 µmol/L SI). Specimen: Serum or plasma.
Also known as: serum creatinine, Cr, SCr.
| Specimen | Serum or plasma |
|---|---|
| Conventional range | 0.6–1.3 mg/dL |
| SI range | 53–115 µmol/L |
| Conversion factor | ×88.4 (conventional → SI) |
| Critical value | > 4.0 mg/dL (or a rapid rise) indicates significant renal impairment |
| Panel | Kidney Function |
Convert any Creatinine, Serum result between units on the unit converter.
The standard teaching reference range for Creatinine, Serum is 0.6–1.3 mg/dL in conventional units, or 53–115 µmol/L in SI units. This value is measured in serum or plasma.
A commonly taught critical (panic) value is > 4.0 mg/dL (or a rapid rise) indicates significant renal impairment. Critical results are reported to the provider immediately under your facility's policy.
Source: Adult reference values compiled from Pagana & Pagana, Mosby's Diagnostic and Laboratory Test Reference, and Fischbach & Dunning, A Manual of Laboratory and Diagnostic Tests. Reference ranges vary by laboratory, method, age, sex, and population — always use the range printed on the actual result.
Above the range
Below the range
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