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Laboratory Medicine

Test catalogue

Urea, 24Hrs Urine

Test name

Urea, 24Hrs Urine

Plain 24 bottle Specimen Type / Requirements

Container Type = 24 hour plain container bottle

Minimum Volume = 5 mL urine from mixed urine Collection

Specimen Handling

Collection Instructions: 24h urine collected in plain container without preservative. Ensure collection bottle is labelled correctly. Keep the collected urine refrigerated if possible and return to lab ASAP.

Write your "start" and "end" date and time of collection on the collection label or requisition.

Stability: Stable for 4 h at room temperature, 1 week refrigerated and 1 month at -15 to -20°C.

Transportation: Send sample to SMH core lab as soon as possible.

Laboratory Staff Instructions: Centrifuge to remove cellular material.

Sample Rejection Criteria: Urine collected with acid / alkaline or leaking specimen will be rejected

Required Documentation

Turnaround Time (TAT)

2 Days Except Weekends

Test Utilization

Reference Value

430-710 mmoL/d

Test Code

24URE

Methodology

Spectrophotometric (Enzymatic)

Testing Location

SMH-Biochemistry

Other Information

Last Updated: June 06, 2019