USC Clinical Reference Laboratory

CREATININE, 24 HOUR URINE

METHODOLOGY

Spectrophotometric

PERFORMED

Mon-Fri

REPORTED

Same day

COLLECT

Urine must be refrigerated during collection. Mix entire 24 hour urine specimen (random specimens are acceptable but have no reference ranges). Remove 5 mL aliquot from well-mixed specimen. Record total volume, date, time collection started and time collection finished on test request form.

TRANSPORT

5 mL refrigerated urine. (Min: 1.0 mL)

STABILITY

N/A

UNACCEPTABLE CONDITIONS

N/A

REMARKS

N/A

REFERENCE RANGE

800 - 2000 mg/d

INTERPRETIVE DATA

N/A

CPT CODE(S)

82570

BILLING INFORMATION

ICD-9 (Dx) CODE INFORMATION

DATE UPDATED

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