NTRK1 Fusion Negative

**Semantic type:** Laboratory or Test Result

**Definition:** An indication that the expression of a NTRK1 fusion has not been detected in a sample.

**Synonyms:** - High Affinity Nerve Growth Factor Receptor Fusion Negative - Neurotrophic Receptor Tyrosine Kinase 1 Fusion Negative - TRK1 Fusion Negative - TRKA Fusion Negative - Trk-A Fusion Negative - Tropomyosin-Related Kinase A Fusion Negative