PTH and hyperphosphatemia: Laboratory revealed hypoparathyroidism with PTH < 0.3 pmol/L (normal 1.5–7.6), total calcium 1.20 mmol/L (normal 2.15–2.50), 25-OH-vit D 65 nmol/L (normal 50–178), and hyperphosphataemia 2.0 mmol/L (normal 0.7–1.7).