Chromosome 12 Trisomy and Chromosome Region 11q22.3 and 13q14 and 17p13.1 Deletion in Blood or Tissue by FISH

**Semantic type:** Laboratory Procedure

**Definition:** A fluorescent in situ hybridization-based procedure that detects chromosome 12 trisomy and/or deletions in chromosome regions 11q22.3, 13q14 and/or 17p13.1 in a blood or tissue specimen.

**Synonyms:** - Chromosome 12 trisomy and chromosome region 11q22.3 and 13q14 and 17p13.1 deletion in Blood or Tissue by FISH