We identified 8 patients with chronic kidney disease (CKD) defined as CKD-EPI creatinine equation (eGRF-cr) <60 mL/min/1.73 m2; there were 5 such individuals in the T2DM group, 2 in HNF1A-MODY group, and 1 in T1DM group. The gene discussed is HNF1A; the disease is type 2 diabetes mellitus.