Creatinine, 24h Urine

Alternative Names/Synonyms	N/A
Laboratory	Core Laboratory & Transfusion Medicine
Sub-section	Biochemistry
Specimen Type	Urine
Test Code	CREAU

Clinical Significance

Assessing renal function, espeically when used to calculate Creatinine Clearance.

Specimen Requirements (Sample Type)

Urine

Specimen Requirements (Volume (mL))

0.5 mL

Specimen Requirements (Tube Type)

24h Urine Collection Container (No Additive)

Collection Requirements

Collection Instructions

Sample Stability

Room Temperature: 2 days

Fridge: 6 days @ 2-8°C

Freezer: 6 months @ -20°C

Cause for Rejection

Specimen Acceptability and Transport Guidance

Instrument, Methodology

Roche cobas c 702, enzymatic

Test Availability

24 hours a day, 7 days a week

Routine Turnaround Time

3 hours

Reference Ranges

Females: 8.8 - 22.0 mmol/day
Males: 4.5 - 16.0 mmol/day

In case of discrepancies, always interpret results using reference ranges as stated on laboratory reports and/or electronic patient chart.

Laboratory Contact Information

416-586-4800 extension 4688