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Laboratory Test Reference Guide

Laboratory Information

Test Name

Urea urine 24h

Specimen Collection

Pre Testing Requirements

Specimen Collection and Transport Protocols

Note Total Volume and Start and Finish times

Adult Specimen

24 hr urine collection. No preservative (or HCL or NAOH)

Test Information



Test Availability

Mon - Sun, 24hrs

Laboratory Turnaround Time

3 hrs


Cobas 6000 Enzymatic, Rural Waikato Labs: Vitros 350 enzymatic

Unit Of Measurement

mmol/24 hr

Reference Interval

320 - 670 mmol/24 hr

Uncertainty Of Measurement


Minimum Volume

0.1 mL urine

Electronic Information

Registration Code


HL7Mapping Code