Table 1.
Laboratory data.
| Lab | Value | Reference range |
|---|---|---|
| WBC | 2.4 | 4.5–11.0 10 ∗ 3/uL |
| ANC | 1.2 | 1.8–8.0 10 ∗ 3/uL |
| HGB | 4.9 | 13.2–17.5 g/dL |
| HCT | 14.9 | 40.0–53.0% |
| MCV | 98.7 | 80.0–100.0 fL |
| Platelet | 57 | 140–450 10 ∗ 3/uL |
| Glucose | 93 | 70–99 mg/dL |
| Na | 138 | 136–145 mmol/L |
| K | 4.4 | 3.5–5.2 mmol/L |
| Chloride | 105 | 96–110 mmol/L |
| Carbon dioxide | 21 | 24–31 mmol/L |
| BUN | 14 | 5–25 mg/dL |
| Cr | 1.15 | 0.61–1.24 mg/dL |
| AST | 105 | 10–42 U/L |
| ALT | 55 | 10–60 U/L |
| ALP | 29 | 38–126 U/L |
| Total bilirubin | 4.2 | 0.2–1.3 mg/dL |
| Direct bilirubin | 0.5 | 0.0–0.2 mg/dL |
| Troponin | 0.01 | <0.08 ng/mL |
| LDH | 6392 | 91–200 U/L |
| Haptoglobin | <6 | 30–225 mg/dL |
| Reticulocyte count | 1.38 | 0.40–2.50% |
| Direct coombs IgG | Positive | Negative |
| Ferritin | 304.3 | 24–336 ng/mL |
| Serum iron | 81 | 45–180 ug/dL |
| TIBC | 227 | 260–480 ug/dL |
| Vitamin B12 | <50 | 180–914 pg/mL |
| Folate | 22 | >4.0 ng/mL |
| Homocysteine | 42.6 | 5.0–15.0 umol/L |
| Intrinsic factor antibody | Negative | Negative |
| Antiparietal cell | 20.7 | 0.0–20.0 units = negative |
| Antibodies (first test) | 20.1–24.9 = Equivocal | |
| Antiparietal cell | 19.2 | 0.0–20.0 units = negative |
| Antibodies (second test) | 20.1–24.9 = Equivocal |