The patient’s laboratory values in his second episode of anemia
| Study | Patient’s value | Reference range |
|---|---|---|
| Hemoglobin | 6.5 g/dL | 14–18 g/dL |
| Reticulocyte count | 13.26 x 109/L (0.65%) | 90–130 x 109/L (1%–2%) |
| Mean corpuscular volume | 85 fL | 78–95 fL |
| Red cell distribution width | 14% | 11.5%–15.1% |
| Lactate dehydrogenase | 162 U/L | 135–225 U/L |
| Direct antiglobulin test | Negative | Negative |
| Haptoglobin | 336 mg/dL | 30–200 mg/dL |
| Indirect bilirubin | 0.2 mg/dL | 1.0–1.0 mg/dL |
| Peripheral smear | ||
| Red blood cells | Normocytic, decreased in number, no schistocytes, no spherocytes | |
| White blood cells | Lymphocytes predominant, no immature white blood cells | |
| Platelets | Normal in size and granulation | |