The classification rules induced by this gene were as follows: if g(36239_at) > 1796.5, then ALL; if g(36239_at) > 214 and g(36239_at) ≤ 1796.5, then MLL; if g(36239_at) ≤ 214, then AML; with 95.24%, 93.33%, and 90.48% confidence, respectively. Here, KMT2A is linked to acute myeloid leukemia.