EGFR Exon 19 Insertion Mutation

**Semantic type:** Cell or Molecular Dysfunction

**Definition:** A molecular genetic abnormality indicating the presence of an in-frame insertion mutation occurring within exon 19 of the EGFR gene.

**Synonyms:** - EGFR Exon 19 Insertion - ERBB Exon 19 Insertion Mutation - ERBB1 Exon 19 Insertion Mutation - Epidermal Growth Factor Receptor Gene Exon 19 Insertion Mutation - HER1 Exon 19 Insertion Mutation