For prenatal specimens, patient should receive genetic counseling prior to ordering.
Dk green Sodium heparin (Na hep), no gel
Immediately following collection, mix sample by inverting 8 - 10 times to prevent clotting.
This interphase FISH test MUST be ordered with a chromosome study or chromosomal microarray (CMA) analysis.
Amniotic fluid: discard the first 2 mL collected.
Sterile container filled with CVS Collection Media, sterile Hanks Balance Salt Solution or Sterile Saline
Fluorescence in situ Hybridization (FISH)
Normal or abnormal with interpretation.
Note: The Cytogenetics lab does not report mosaic FISH results.