Table 2. Patient's additional investigations given suspicion of spontaneous tumor lysis syndrome.

Lab	Value	Reference range
Uric acid	13.5 mg/dL	3.5 - 7.0 mg/dL
Lactate dehydrogenase	4493 U/L	100 - 190 U/L
Total bilirubin	2.4 mg/dL	<1.5 mg/dL
Direct bilirubin	0.8 mg/dL	<0.3 mg/dL
Alanine transaminase	3510 U/L	10 - 52 U/L
Aspartate aminotransferase	4047 U/L	10 - 39 U/L
International normalized ratio	14.5	0.9 - 1.1
Fibrinogen	407 mg/dL	220 - 410 mg/dL
Haptoglobin	172 mg/dL	44 - 215 mg/dL