Table 2. Hypercalcemia work-up showing elevated 25-hydroxy vitamin D levels.

*Upper cutoff for our laboratory, **On two separate lab draws

Laboratory Test	Results	Hospital Day
Serum Vitamin D 25-Hydroxy (>30 ng/mL)	>100*	Day 1
Serum Calcitriol/1,25-Dihydroxy Vitamin D (19.9-79.3 pg/mL)	55.1	Day 1
Serum Parathyroid Hormone Intact (10-65 ng/mL)	11	Day 1
Serum PTHrP (<2.5 pmol/L)	<2.0**	Day 1, Day 2
Serum Calcium Ionized (1.13-1.32 mmol/L)	1.45	Day 1
Serum Protein Electrophoresis Interpretation	NORMALLY MIGRATING SERUM PROTEINS	Day 0
Urine Protein Electrophoresis Interpretation	MILD PROTEINURIA IN TUBULAR NON SELECTIVE PATTERN	Day 0
24-Hour Urine Angiotensin Converting Enzyme (U/L)	<15	Day 1