Red top (no anticoagulant) or Green top (lithium heparin) tube
2.0 mL (minimum 0.5 mL)
Cause for rejection:
Hemolysis, lipemia,patient receiving bromide or iodine from drug therapy, not delivered on ice, not delivered to lab immediately.
Daily, 24 hours; STAT
Ion selective electrode indirect/Enzymatic
Place specimen on ice and deliver to lab immediately.
For Outpatients, test should only be drawn in outpatient locations within the Hospital on the Beeghly campus.
Reference ranges available under individual tests
Sodium, Potassium, Chloride, Carbon Dioxide