BGS or COHB
Carbon Monoxide, blood gas
COHb, blood gas
FCOHb, blood gas
Specimen Collection Protocols:
Patient sample: 5mL heparinised blood, collected immediately. Full tube, venous.Tube of blood must be as full as possible.DO NOT OPEN TUBE.
Alternative sample: dedicated blood gas syringe minimum volume 500 uL either arterial or venous sample okay,
Paediatric Specimen - 200 uL in blood gas capillary.
Ambient (8 - 24 degrees Celsius)
Aliquot Instructions: 200 uL in blood gas capillary. 5 mL heparinised blood - DO NOT OPEN.Fridge
Non smokers <1.5%
Spectroscopy using dedicated Blood gas analyser
$22.86 (Exclusive of GST)
Carboxyhaemoglobin levels may be falsely lowered after hydroxocobalamin therapy in some situations. NEJM 2012; 367: 1270-1.
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