Nursing Central: Creatinine, Urine, and Creatinine Clearance, Urine

Creatinine, Urine, and Creatinine Clearance, Urine

General

Synonym/Acronym:
N/A.

Common Use:
To assess and monitor kidney function related to acute or chronic nephritis.

Specimen:
Urine (5 mL) from an unpreserved random or timed specimen collected in a clean plastic collection container.

Normal Findings:
(Method: Spectrophotometry)

Age	Conventional Units	SI Units
		*Urine Creatinine (Conventional Units × 8.84)*
2–3 yr	6–22 mg/kg/24 hr	53–194 micromol/kg/24 hr
4–18 yr	12–30 mg/kg/24 hr	106–265 micromol/kg/24 hr
Adult male	14–26 mg/kg/24 hr	124–230 micromol/kg/24 hr
Adult female	11–20 mg/kg/24 hr	97–177 micromol/kg/24 hr
		*Creatinine Clearance (Conventional Units × 0.0167)*
Children	70–140 mL/min/1.73 m²	1.17–2.33 mL/s/1.73 m²
Adult male	85–125 mL/min/1.73 m²	1.42–2.08 mL/s/1.73 m²
Adult female	75–115 mL/min/1.73 m²	1.25–1.92 mL/s/1.73 m²
For each decade after 40 yr	Decrease of 6–7 mL/min/1.73 m²	Decrease of 0.06–0.07 mL/s/1.73 m²

Creatinine, Urine, and Creatinine Clearance, Urine has been found in Davis's Lab & Diagnostic Tests

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