CO2, HCO3, Bicarbonate
Serum or Plasma
RCHSD Chemistry
LAB55
As received
3 hrs
1 hr
Minimum 1.0 ml blood
Light Green (Lithium Heparin PST)
Gold or red top tube also acceptable
0.3 ml plasma (or serum)
0.3 ml plasma (or serum)
Centrifuge & separate
NOTE: For small infants, 0.6 ml in light green microtainer is acceptable
82374