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Laboratory Test Reference Guide

Laboratory Information

Test Name

Glucose (Blood Gas)

Specimen Collection

Specimen Collection and Transport Protocols

Remove 6 times the volume of the catheter as waste prior to collecting the blood sample from an arterial line.

Adult Specimen

1.5 mL blood collected into a 3 mL heparinsed blood gas syringe.

Paediatric Specimen

0.5 ml blood collected in to a 1 mL a blood gas syringe.

Sample Delivery to Lab


Test Information



Test Availability

Mon - Sun, 24hrs

Laboratory Turnaround Time

30 minutes.


Blood gas anlayser - glucose oxidase

Unit of measurement


Reference interval

3.5-5.5 mmol/L Fasting  

3.5-7.7 mmol/L Non fasting

0-3 mths   2.6-8.0 mmol/L

Uncertainty of measurement

± 5%

Minimum Volume

35 uL collected in to a 55 uL capillary tube.

Electronic Information

Registration Code


HL7 mapping code