<prompt> Transferrin saturation is?Serum ironTIBC x100TIBCserum iron x100TIBCserum ironSerum ironTIBC  <response>: Ans. A. Serum iron TIBC x100Transferrin saturation TIBCSerumiron x100Usual valuesNormal reference ranges are:a. Serum iron: 60-170mgmlb. TIBC:240-450mgmlc. Transferrin saturation: 15-50 males, 12-45 females 