CBC results for patients with sickle cell disease who have a hereditary persistence of fetal hemoglobin (Hb S/HPFH) may appear normal or demonstrate a mild to moderate anemia. The CBC and peripheral blood smear for a patient with Hb S/HPFH appear below.
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.
|White blood cell count (WBC)||6.4||3.8 - 9.8 x 109/L|
|Red blood cell count (RBC)||4.78||4.50 - 5.90 x 1012/L|
|11.9||13.8 - 17.2 g/dL|
|Hematocrit||37.7||41 - 50%|
|MCV||81||80 - 100 fL|
|RDW||13.2||12 - 14.6|
|Platelet count||230||140 - 440 x 109/L|