PTH and Hypocalciuria: The next AHH case was a 75-year-old man, also with a chief complaint of appetite loss and who had PTH-dependent hypercalcemia with hypocalciuria (cCa, 13.6 mg/dL; iP, 2.2 mg/dL; Cre, 0.84 mg/dL; intact PTH, 101 pg/mL; and FECa, 0.04%; Table 1).