acute myeloid leukemia, NRAS gene mutation (MONDO_0100424, a Monarch Disease Ontology identifier) is any acute myeloid leukemia that has the chromosomal anomaly NRAS gene mutation. (A change in the structure of the NRAS gene.). Also known as: AML, N-RAS Gene Mutation, AML, NRAS gene mutation, AML, Neuroblastoma RAS Viral Oncogene Homolog Gene Mutation.