HNF1A and diabetes mellitus: This monogenic diabetes panel analysis identified chr7: 44149977 G>A, GCK (NM_000162.5: c.571C>T, p.Arg191Trp) and chr12: 120999468 G>A, HNF1A (NM_000545.8: c.1624-15G>A| NM_001306179.2: c.1630G>A, p.Ala544Thr) in the patient.