The serum FGF-23 levels were higher in T2D patients (n = 132, 57% males) compared to that in controls subjects (n = 75, 36% males) although not significantly (1.16 (0.63–2.05) pmol/L vs. 1.02 (0.47–1.85) pmol/L; p = 0.186). The gene discussed is FGF23; the disease is type 2 diabetes mellitus.