PTH and Hypocalcemia: This approach is consistent with the most recent definition developed and approved by an international panel of experts presented as part of the best practice recommendations discussed at the Parathyroid Summit, held as a pre-Endocrine Society meeting in May 2024 (Boston, MA, USA), stating that a diagnosis of permanent hypoparathyroidism is confirmed ≥12 months after surgical intervention in the presence of hypocalcaemia (albumin-adjusted or ionized calcium) determined on two separate occasions (≥2 weeks apart) with inappropriately normal or low PTH levels12.