Your blood comprises two main parts, i.e., cellular elements and plasma. This blood test is used to evaluate your overall health condition and a wide range of disorders, including blood infection, anemia, and leukemia. Also Known As: Blood Count, CBC, CBC W/Diff, PLT, RDW, CBC/DIFF, Coulter CBC, Platelet Count, Hematocrit, Hemoglobin What Is A CBC (H/H, RBC, Indices, WBC, PLT) Test?Ī complete blood count or CBC is one of doctors' most commonly and frequently suggested blood tests.