This test useful for the evaluation of possible hemolysis including clotting/hemolysis associated with left ventricular assist devices. Measurement of free Hgb in plasma is of no practical value in the diagnosis of chronic hemolytic anemias.
Gold:
Immediately following collection, thoroughly mix sample by gently inverting 5 times
Gold:
Red:
Refrigerated
HemoCue low plasma hemoglobin
< 40 mg/dL