Test | Result | Normal range |
---|---|---|
aPTT (lupus sensitive) | 25.2 seconds | 25.1–36.5 seconds |
Lupus anticoagulant (dRVVT) | Negative | – |
Cardiolipin antibodies (IgG, IgM) | Negative | – |
Antiphospholipid antibodies | Negative | – |
β2-Glycoprotein antibodies (IgG, IgM) | Negative | – |
Homocysteine | 13.6 μmol/l | 0–15 μmol/l |
Factor VIII | 120% | 50–150% |
APC resistance | Negative | – |
Protein C activity | 53% | 70–140% |
Factor V Leiden mutation (G1691G wild type) | Negative | – |
Prothrombin mutation (G20210A wild type) | Negative | – |
Haptoglobin | 232 mg/dl | 20–200 mg/dl |
Paroxysmal nocturnal hemoglobinuria | Negative | – |
ADAMTS-13 activity | 67% | 50–150% |
C3 complement (g/l) | 0.28 | 0.9–1.8 |
C4 complement (g/l) | 0.05 | 0.1–0.4 |
Fragmentocytes | <Â 1% | <Â 1% |
Rapid HIT assay | Negative | – |
IgG-specific ELISA (PF4 antibodies) | Positive | – |
HIPA (PF4/heparin; HIT type II) | Negative | – |
PIPA (PF4-induced platelet aggregation/VITT) | Positive | – |