| 21770-3 | Chromosome 12 trisomy or Tissue (Blood, qualitative, cytogenetics) |
| 21771-1 | Chromosome 21 trisomy or Tissue (Blood, qualitative, cytogenetics) |
| 21772-9 | Chromosome 7 trisomy or Tissue (Blood, qualitative, cytogenetics) |
| 21773-7 | Chromosome 8 trisomy or Tissue (Blood, qualitative, cytogenetics) |
| 21774-5 | Chromosome 9 trisomy or Tissue (Blood, qualitative, cytogenetics) |
| 34496-0 | Chromosome 7 uniparental disomy or Tissue (Blood, qualitative, cytogenetics) |
| 34503-3 | Chromosome 15 uniparental disomy or Tissue (Blood, qualitative, cytogenetics) |
| 35123-9 | Chromosome 14 uniparental disomy or Tissue (Blood, qualitative, cytogenetics) |
| 35292-2 | Chromosome 11 uniparental disomy or Tissue (Blood, qualitative, cytogenetics) |
| 36907-4 | Chromosome 8 trisomy (cytogenetics) |
| 43306-0 | Chromosome 21 trisomy (cytogenetics) |
| 55228-1 | Cytogenetics study |
| 77314-3 | Chromosome analysis basic associated observations panel - Blood or Tissue (cytogenetics) |
| 82254-4 | Marker and derivative chromosome analysis or Chorionic villus sample Document (Amniotic Fluid, cytogenetics) |
| 82255-1 | Marker and derivative chromosome analysis or Tissue Document (Blood, cytogenetics) |