Table 1.
Initial Laboratory Tests and Anemia Workup Upon Hospital Admission.
| Laboratory parameters | Results | Reference range |
|---|---|---|
| White blood cells (WBC) | 5.8 × 103/µL | 4-10 × 103/µL |
| Absolute neutrophil count | 2.53 × 103/µL | 1.8-7.0 × 103/µL |
| Lymphocyte count | 2.47 × 103/µL | 1.2-4.0 × 103/µL |
| Absolute myelocyte count | 0.06 × 103/µL | 0 |
| Hemoglobin (Hb) | 7.3 g/dL | 13.5-18 g/dL |
| Hematocrit | 26% | 41%-53% |
| Platelet count | 26 × 103/µL | 150-400 × 103/µL |
| Red cell distribution width | 21.9% | 11.5%-14.5% |
| Mean cell volume | 85.7% | 80-96 fL |
| Laboratory parameters | Results | Reference Range |
| Lactate dehydrogenase level | 1124 U/L | 122-225 U/L |
| Haptoglobin | <15 mg/dL | 30-200 mg/dL |
| D-dimer | 1.64 µg/mL | <0.50 µg/mL |
| % Iron saturation | 65.0% | 20%-55% |
| Immature reticulocyte fraction | 0.66% | 0.26%-0.52% |
| Ferritin | 814 ng/mL | 30-400 ng/mL |
| Iron | 225 µg/dL | 59-158 µg/dL |
| Total iron binding capacity | 344 µg/dL | 278-500 µg/dL |
| Transferrin | 248 mg/dL | 200-360 mg/dL |
| Folate | 12.40 ng/mL | >4.77 ng/mL |
| Vitamin B12 | 596 pg/mL | 211-946 pg/mL |
| Blood urea nitrogen (BUN) | 14 mg/dL | 2-20 mg/dL |
| Creatinine | 0.73 mg/dL | 0.70-1.20 mg/dL |
| Alanine transaminase (ALT) | 33 U/L | <41 U/L |
| Aspartate aminotransferase (AST) | 33 U/L | <40 U/L |
| Alkaline phosphatase | 81 U/L | 40-129 U/L |
| Total bilirubin | 0.5 mg/dL | <1.2 mg/dL |
| Direct bilirubin | <0.2 mg/dL | <0.3 mg/dL |
| ADAMTS13 activity assay | >100% | ≥70% |