PTH and Hypercalcemia: From the laboratory evaluation (Table 1), the following stand out: mild hypercalcemia (calcium correction for albumin of 2.8 mmol/L), hypophosphatemia (0.58 mmol/L), a significant increase of alkaline phosphatase (2176 U/L) and PTH (2410 pg/mL), and vitamin D deficiency (6.94 ng/mL).