Overall, the cost per admission increased significantly over the years, from a mean of €2,869, €2,510 and €2,779 in 2003 to €3,726, €3,666 and €3,668 in 2017 for patients with hyper PT, hypoPT and other disorders of the parathyroid gland, respectively (p<0.001).This cost was significantly higher in patients with hyperPT hospitalised for more than 50 days, reaching the €7,176 (p<0.001). This evidence concerns the gene F2 and parathyroid gland disorder.