Rdw Sd. The RDW-SD is an actual measurement of the width of the red cell distribution curve in femtoliters fL. For example if RDW is normal but the MCV is low the patient could be anemic.
For example if RDW is normal but the MCV is low the patient could be anemic. What is Rdw SD in blood test. 116 146 for adults Please keep in mind that the numbers might have a different acceptable range for children or those who have serious medical conditions.
Red Blood Cell Distribution WidthRDW is used to measure the variation in the size of the red blood cell.
For example if RDW is normal but the MCV is low the patient could be anemic. You have to keep in mind that just because the RDW reading is normal it does not necessarily mean that all is well. Classification of Disorders using RDW CV and MCV In the early 1980s Dr J David Bessman compiled a classification table of possible disorders based on MCV and RDW values see Table 1 below. Indication of RDW Result can be high and low with corresponding percentage.
