The red cell distribution width (RDW) blood test measures how equal your red blood cells are in size. One of several tests included in a complete blood count (CBC), RDW is measured as a percentage.

The red cell distribution width (RDW) blood test measures differences in the volume and size of your red blood cells. Red blood cells help carry oxygen from the lungs to other parts of your body.

Useful in establishing the differential diagnosis of anemia, calculated by automated blood profiling machine from RBC count, hematocrit and hemoglobin Red Cell Distribution Width (RDW) Expresses ...

New research shows that platelet count-related ratios, when combined with SOFA scores, can accurately predict severity in biliary bloodstream infections caused by E. coli and K. pneumoniae.