Table 1. Lab values of our patient on presentation.

MCV: mean corpuscular volume; RDW: red cell distribution width; BUN: blood urea nitrogen; LDH: lactate dehydrogenase; INR: international normalized ratio

Lab values	Reported value	Reference value range
Hemoglobin	6.9 g/dL	14.0–18.0
Hematocrit	19.8%	40.0–54.0
MCV	88.7 fL	80.0–94.0
RDW	19.8%	8.0–14.5
Platelet count	17 × 10E3/µL	150–375
BUN	20 mg/dL	4–22
Creatinine	1.0 mg/dL	0.6–1.3
Total bilirubin	2.2 mg/dL	0–1.0
Direct bilirubin	0.2 mg/dL	0–0.9
LDH	2298 U/L	313–618
Haptoglobin	<20 mg/dL	30–200
Vitamin B12	338 pg/mL	243–894
Reticulocyte count	13.2%	0.5–2.0
INR	1.0	0.8–1.2
Prothrombin time	10.8 seconds	9.0–11.6
Homocysteine	19.1 µmol/L	0.0–14.5