× Test Guide Collection Guides Guidelines News Contact Useful Links

Laboratory Test Reference Guide

Laboratory Information

Test Name

Urea

External Price (excl. GST)

Price

$2.63

Specimen Collection

Adult Specimen

Heparin (light green), SST (gold), "T-" labs SST (gold)

Paediatric Specimen

0.3 mL Heparin (light green) or Plain(red).

Test Information

Department

Biochemistry

Test Availability

Mon - Sun, 24hrs

Laboratory Turnaround Time

3 hrs

Method

Cobas 6000 Enzymatic, Rural Waikato Labs: Vitros 350 enzymatic

Unit Of Measurement

mmol/L

Reference Interval

< 1 month              = 1.0 – 4.0 mmol/L
1 month – 1 year   = 1.4 – 5.4 mmol/L
1 – 4 years            = 1.8 – 5.4 mmol/L
> 4 years               = 3.2 – 7.7 mmol/L
(From ARQAG October 2009)

Uncertainty Of Measurement

5%

Minimum Volume

0.1 mL heparin plasma or serum.

Electronic Information

Registration Code

URE

HL7Mapping Code

$URE

LOINC Code

22664-7