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Laboratory Information

Test Name

pCO2

External Price (excl. GST)

11.67

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 4.6 - 6.0 kPa Venous 5.0 - 6.4 kPa

Cord Blood Arterial 5.6 - 9.8 kPa Cord Blood Venous 3.8 - 7.1 kPa

Uncertainty of measurement

± 5%

Minimum Volume

0.3 ml collected into a paediatric blood gas syringe

Electronic Information

Registration Code

PCO2

HL7 mapping code

$PCO2

LOINC Code

11557-6

Laboratory Test Reference Guide