Laboratory Test Reference Guide

Laboratory Information

Test Name

Urea (Blood Gas)

External Price (excl. GST)

3.21

Specimen Collection

Adult Specimen

1.0 mL blood in an adult blood gas syringe or 0.5 mL in a paediatric blood gas syringe

Specimen Collection and Transport Protocols

Remove at least 3 mL of blood to waste prior to collecting the blood sample from a line

Paediatric Specimen

0.5 mL blood in a paediatric blood gas syringe

Test Information

Department

POCT

Test Availability

Mon - Sun, 24hrs

Laboratory Turnaround Time

30 minutes

Method

Blood gas analyser - Thames only

Unit of measurement

mmol/L

Reference interval

Reference interval applies from age onward

0 day: 1 - 4 mmol/L

1 month: 1.4 - 5.4 mmol/L

1 year: 1.8 - 5.4 mmol/L

4 years: 3.2 - 7.7 mmol/L

Uncertainty of measurement

+/- 10%

Minimum Volume

0.3 mL collected into a paediatric blood gas syringe

Electronic Information

Registration Code

UREBG