Many literatures mentioned that 14 types of genes had been confirmed to be associated with MODY, including HNF4α, GCK, HNF1α, PDX1, HNF1β, NEUROD‐1, KLF11, CEL, PAX4, INS, BLK, ABCC8, KCNJ11, and APPL1,named as MODY 1–14.3 Here, BLK is linked to MODY.