PTH and osteoporosis: A screen for secondary causes of osteoporosis was unremarkable, with the exception of mildly elevated PTH ((Corrected Calcium (calculated as total calcium (mmol/L) + [(40- albumin (g/L)) × 0.02] was 2.36 mmol/L (laboratory reference range 2.2–2.6), PTH 9.6 pmol/L (1.6–6.9, Siemens Atellica immunoassay), Phosphate 0.92 mmol/L (0.8–1.5), Creatinine 64 μmol/L (45–85), 25(OH)D 108 nmol/L (> 50, DiaSorin Liaison XL immunoassay), morning cortisol 241 nmol/L (172–497), tryptase 9 ug/L (< 13.5), eosinophils 0.0 × 10^9/L (0–0.5) and TSH 1.48 mU/L (0.4–4.8).