Further laboratory findings in the patient’s third episode of anemia
| Study | Patient’s value | Reference range |
|---|---|---|
| Reticulocyte count | 9.9 x 109/L (0.6%) | 90–130 x 109/L (1%–2%) |
| Mean corpuscular volume | 90.5 fL | 78–95 fL |
| Red cell distribution width | 15.9% | 11.5%–15.1% |
| Lactate dehydrogenase | 231 U/L | 135–225 U/L |
| Direct antiglobulin test | Negative | Negative |
| Haptoglobin | 362 mg/dL | 30–200 mg/dL |
| Indirect bilirubin | 0.7 mg/dL | 0.0–1.0 mg/dL |
| Peripheral smear | ||
| Red blood cells | Normocytic, normochromic, rare schistocytes, no nucleated red blood cells, no teardrop cells | |
| White blood cells | No immature white blood cells noted, neutrophil predominance, small mature lymphocytes | |
| Platelets | Increased in number, few giant platelets noted | |