Patients with double heterozygous hemoglobin SC disease (Hb SC) may have a slight to moderate anemia. The CBC and peripheral blood smear for an adult patient with Hb SC appear below. The arrow in the image of the peripheral blood smear is pointing to a Hb SC crystal.
Reference intervals may vary between facilities and are dependent on patient age and gender. The reference intervals that are shown below are specific to this case.
| Parameter | Patient Result | Reference Interval |
| White blood cell count | 10.4 | 4.5 - 11.0 x 109/L |
| Red blood cell count | 3.98 | 4.50 - 4.70 x 1012/L |
Hemoglobin | 10.5 | 11.7 - 16.0 g/dL |
| Hematocrit | 33.5 | 35 - 47% |
| MCV | 84 | 81 - 101 fL |
| RDW | 16.0 | 11 - 14.5 |
| Platelet count | 160 | 150 - 450 x 109/L |
