3 mL blood in heparinised syringe immersed in ice and sent within 2 h after collection. Sodium fluoride/potassium oxalate tubes are not suitable for analysis.
Co-oximetry
from 0 day : 0 – 1.5%
Mean = 4 hrs, Range: 3 – 5hrs
Daily, 24 hrs STAT
{0}
{1}