Laboratory: Clinical Biochemistry
Test Name:
PO2 (iSTAT) - (B)
Test Code: POA
Clinical Information:
Only available in rural Manitoba. 
Collection Devices:
Specimen Required: Skin puncture: lancet and capillary collection tube (plain, lithium heparin, or balanced heparin for electrolytes and blood gases)
Venipuncture:  lithium or sodium heparin collection tubes and disposable transfer device
(e.g. 1cc syringe and a 16 to 20 gauge needle)
Arterial puncture:  Plain syringe or blood gas syringe with heparin and labeled for the assays performed

Only available at sites which perform iStat testing onsite.
Reference Values:
Arterial: 80 - 105 mmHg

Note:  Reference ranges are specific to the Abbott iStat (POC instrument)
Turn around time (TAT): < 60 minutes
See Also:
More Information:
Testing is performed on whole blood samples only and should be performed immediately after collection as lactate increases by as much as 70% within 30 minutes at 25°C as a result of glycolysis.