Table 2.

Thrombocytopenia workup results.

Tests	Results	Reference ranges
International normalized ratio	1.6	0.8–1.2
Prothrombin time	19 s	11.8–14.6 s
Reticulocyte count	0.8%	0.5–2.0%
Absolute reticulocytes count	0.025 millions/uL	0.020–0.1 millions/uL
ADAMTS13	29%	≥61
Fibrinogen	117 mg/dL	195–505 mg/dL
D-dimer	2.86 mcg/mL	≤0.5 mcg/mL
Lactate dehydrogenase	252 units/L	120–146 units/L
Haptoglobin	<8 mg/dL	40–280 mg/dL