A red cell count result on its own does not provide the full picture, any diagnosis will take into account the other red cell indicies such as Haematocrit(HCT), Hb, RDW, MCV, MCH and MCHC. In addition to this a Ferritin, Iron and Transferrin tests may be indicated. If you are worried visit your GP and voice your concerns, they will order any blood tests that they feel necessary.