Test Directory

3290 Creatinine, 24 Hour Urine

Specimen Type
Specimen Stability
Reference Range
24 Hour Urine
7 Days 2 - 8°C
Male: 1000-2000 mg/24Hr
Female: 800-1800 mg/24Hr

Specimen Requirements

Specimen Type: 24 Hour Urine
Container: 1 24 Hour Urine Container (without Preservative)
Temperature: Refrigerated
Preferred Vol: 50.00 mL
Min Vol: 50.00 mL


Ion Selective Electrode (ISE)



Turn-Around Time



24 Hr Urine collection (No preservatives). Must indicate total volume on container and requisition.

Clinical Utility

To determine if the kidneys are functioning normally and to monitor treatment of kidney disease.

CPT Codes

81050, 82570

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