Red blood cell distribution width (RDW or RDW-CV or RCDW and RDW-SD) is a measure of the range of variation of red blood cell (RBC) volume that is reported as part of a standard complete blood count. Usually red blood cells are a standard size of about 6-8 _m in diameter. Red cell distribution width (RDW) laboratory test is a part of a standard complete blood count (CBC), and it is used along with other RBC indices, especially mean corpuscular volume (MCV) to help determine the causes of anemia.
No special preparation is needed for RDW. Inform your doctor if you are on any medications or have any underlying medical conditions or allergies before undergoing RDW. Your doctor depending on your condition will give specific instructions.
|UNISEX||All age groups||11.5-14.5%|