RDW measures the variability in red blood cell size & is very useful in evaluating anisocytosis. A low MCV & high RDW are most likely due to iron deficiency anemia. RDW is often normal in milder forms of thalassemia. A combination of high or normal RBC count, low MCV & normal RDW is a common pattern in thalassemia trait.
3 mL (2 mL min.) Whole blood in 1 Lavender Top (EDTA) tube. Ship refrigerated. DO NOT FREEZE.
Electrical Impedence
Daily
RDW measures the variability in red blood cell size ; is very useful in evaluating anisocytosis. A low MCV ; high RDW are most likely due to iron deficiency anemia. RDW is often normal in milder forms of thalassemia. A combination of high or normal RBC count, low MCV ; normal RDW is a common pattern in thalassemia trait.