Abnormality of red blood cells Excludes1anemias (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)