ERBB2 Exon 20 Mutation

**Semantic type:** Cell or Molecular Dysfunction

**Definition:** A molecular genetic abnormality indicating the presence of a mutation in exon 20 of the ERBB2 gene.

**Synonyms:** - CD340 Exon 20 Mutation - Erb-B2 Receptor Tyrosine Kinase 2 Exon 20 Mutation - HER-2 Exon 20 Mutation - HER2 Exon 20 Mutation - HER2/Neu Exon 20 Mutation - Neu Exon 20 Mutation - Other ERBB2 exon 20 mutation, specify - c-erbB2 Exon 20 Mutation - v-Erb-B2 Avian Erythroblastic Leukemia Viral Oncogene Homolog 2 Exon 20 Mutation