Chromosome Analysis

GeneDx offers traditional cytogenetic testing. Karyotyping by G-banding is available for analysis of the number and structures of individual chromosomes.

*Chromosome analysis along with rapid FISH for aneuploidy detection is also available for prenatal samples. For more information regarding prenatal cytogenetic testing services at GeneDx, please go to the GeneDx Prenatal Testing page.


Test Name Indication for Testing More Information
Postnatal chromosome analysis

  • Peripheral blood – routine study
  • Peripheral blood – rule out mosaicism
  • Products of conception
  • Multiple congenital anomalies with or without intellectual disability
  • Family history of chromosome anomaly
  • Short stature
  • Infertility or multiple spontaneous abortions