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Laboratory Information

Test Name

pO2

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. Must be analysed within 15 minutes of collection.

Paediatric Specimen

0.5 ml blood in a paediatric blood gas syringe

Test Information

Department

Biochemistry and POCT

Test Availability

Mon - Sun, 24hrs

Laboratory Turnaround Time

30 Minutes

Method

Blood gas analyser

Unit of measurement

kPa

Reference interval

Arterial: 11.0 - 14.4 kPa

Cord Blood Arterial 0.8 - 3.7 kPa Cord Blood Venous 2.2 - 5.3 kPa

Uncertainty of measurement

± 5%

Minimum Volume

0.3 ml collected into a paediatric blood gas syringe

Electronic Information

Registration Code

PO2

HL7 mapping code

$PO2

LOINC Code

11556-8

Laboratory Test Reference Guide