Cells with ALK Gene Rearrangements/Cells Counted in Blood or Tissue by FISH

**Semantic type:** Laboratory Procedure

**Definition:** A quantitative fluorescent in situ hybridization-based procedure that measures the proportion of cells with ALK gene rearrangements to the total number of cells counted in a blood or tissue specimen.

**Synonyms:** - Cells.ALK gene rearrangements/Cells counted in Blood or Tissue by FISH