Table 2.
Diagnostic workup of thrombocytopenia and bleeding. Hematological laboratory studies with reference ranges.
| Lactate dehydrogenase | 1,100 unit/L (140–271) |
| Prothrombin Time | 16.2 seconds (12.2–14.9) |
| International Normalized Ratio | 1.3 (critical high >4.0) |
| Partial Thromboplastin Time | 27 seconds (21.3–35.1) |
| Fibrinogen | 367 mg/dL (183–503) |
| D-dimer Quantitative | 2.31 mcg/mL FEU (normal high 0.50-critical high >1.0) |
| Iron Level | 32 mcg/dL (50–212) |
| Transferrin | 197 mg/dL (205–362) |
| Total Iron Binding Capacity | 294 mcg/dL (250–400) |
| Iron Saturations | 11% (15–50) |
| Ferritin | 273.0 ng/mL (14–233) |
| Platelet Estimation | Decreased |
| Hypochromia | None |
| Polychromia | Slight |
| Microcyte | Slight |
| Macrocyte | Slight |
| Burr Cells | None |
| Helmet Cells | Few |
| Ovalocytes | Few |
| Schistocyte | Few |
| Spherocyte | Few |
| Target Cell | Few |
| Teardrop Cell | None |
| Reticulocyte Count | 3.53% (0.5–2) |
| Absolute Reticulocyte | 0.1381 x10 ^ 6/mm3 |
| Reticulocyte Hef | 35.8 pg (29–38) |
| IRF | 18.6 % (2.7–5.7) |
| Haptoglobin | 10 (33–346) |