PTH and Hypocalcemia: Blood tests also indicated severe hypocalcemia [4.2 mg/dl (1.05 mmol/l), corrected calcium 4.7 mg/dl (1.2 mmol/l)], albumin 34.1 g/l (range, 35–50 g/l) and normal PTH values (41 ng/l; range, 15–60 ng/l).