H3 K27M Negative

**Semantic type:** Finding

**Definition:** An indication that expression of the histone H3 K27M mutation has not been detected in a sample.

**Synonyms:** - H3 K27M Mutation Negative - H3 K28M Mutation Negative - H3 K28M Negative - H3 Lys27Met Negative - H3 Lys28Met Negative - H3 p.K28M Negative - H3 p.Lys28Met Negative - Histone 3 K27M Mutation Negative - Histone H3 K28M Negative - Histone H3 Lys27Met Negative - Histone H3 Lys28Met Negative