PTH and hypercalcemia disease: The laboratory findings in the current examination showed elevated PTH (1,171 ng/L; reference range: 21.80 ng/L–87.5 ng/L), hypercalcemia (13.4 mg/dL; reference range: 8.4 mg/dL–10.2 mg/dL), normal albumin (4.3 g/L; reference range: 3.8 g/dL–5.4 g/dL), hypophosphatemia (3.2 mg/dL; reference range, 3.8 mg/dL–5.9 mg/dL), elevated ALP (302 U/L; reference range: 50 U/L–162 U/L), and vitamin D deficiency (25-OH-vitamin D level of 6.6 ng/mL; reference range: 30 ng/mL–100 ng/mL).