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Test Code LAB385 Creatinine, 24 HR Urine

Synonym

  • UCRE

Specimen Required

Preferred Container/Tube: 24 Hour Urine Container
Acceptable Container/Tube: 24 Hour Urine Container
Specimen Volume: 3 mL
Specimen Minimum Volume: 1 mL

Specimen Stability Information

Ambient: 2 days
Refrigerated:  6 days

Specimen Collection Information

For timed urines keep specimen in refrigerator during collection and for storage. Acetic acid preservative is ok if needed as a preservative for another test sharing the same collection container. 6N HCl or Boric acid is acceptable if needed for other analytes. 

Rejected Due To

  • Unacceptable container type
  • Quantity not sufficient

Reference Values

FEMALE MALE
0-2 years: 0.70-2.00 g/24 hrs
3-8 years: 0.11-0.68 g/24 hrs
9-12 years: 0.17-1.41 g/24 hrs
13-17 years: 0.29-1.87 g/24 hrs
18+ years: 0.60-1.80 g/24 hrs		 0-2 years: 0.70-2.00 g/24 hrs
3-8 years: 0.11-0.68 g/24 hrs
9-12 years: 0.17-1.41 g/24 hrs
13-17 years: 0.29-1.87 g/24 hrs
18+ years: 0.80-2.00 g/24 hrs

Method Description

Kinetic Jaffe

Performing Lab

Clinical Lab UH

Day(s) Performed

Monday through Sunday

Report Available

Same day/1 day

Reporting Name

Creatinine, 24 Hr Urine

CPT Code Information

82570
81050

LOINC Code Information

20624-3