High calcium<unk> sis
Normal or high serum phosphate
Low serum PTH
Normal serum 25(OH)D
Normal or low 1,25(OH)D
Milk-alkali syndrome
Addison's disease
Refeeding syndrome
Calciphylaxis
Zollinger-Ellison syndrome
Excess vitamin D
Starvation ketoacidosis
Hypercalcemia of malignancy