R71: Abnormality of red blood cells excludes1 anemias (D50-D64) anemia of premature infant (P61.2) benign (familial) polycythemia (D75.0) congenital anemias (P61.2-P61.4) newborn anemia due to isoimmunization (P55.-) polycythemia neonatorum (P61.1) polycythemia NOS (D75.1) polycythemia vera (D45) secondary polycythemia (D75.1) |
| R71.0: Precipitous drop in hematocrit |
| R71.8: Other abnormality of red blood cells |