Activating KRAS Gene Mutation Negative

**Semantic type:** Cell or Molecular Dysfunction

**Definition:** A genetic finding indicating that mutations in the KRAS gene which encode constitutively active forms of the GTPase KRas protein are not present in a sample.

**Synonyms:** - Activating KRAS Mutation Negative - KRAS Activating Mutation Negative - KRAS Proto-Oncogene, GTPase Activating Mutation Negative - KRAS-2 Activating Mutation Negative - KRAS2 Activating Mutation Negative - c-K-ras Activating Mutation Negative - v-Ki-ras2 Kirsten Rat Sarcoma Viral Oncogene Homolog Activating Mutation Negative