ERBB2 Gene Mutation

**Semantic type:** Cell or Molecular Dysfunction

**Definition:** A molecular genetic abnormality indicating the presence of a mutation in the ERBB2 gene on chromosome 17q12.

**Synonyms:** - ERBB2 Mutation - Erb-B2 Receptor Tyrosine Kinase 2 Gene Mutation - HER2 Gene Mutation - HER2/neu Gene Mutation - NEU Gene Mutation - Positive - v-Erb-B2 Avian Erythroblastic Leukemia Viral Oncogene Homolog 2 Gene Mutation