Fluorescence In-Situ Hybridization (FISH-Aneuploidy Screening)
Shivanand R. Patil Cytogenetics & Molecular Laboratory
Department of Pediatrics
Peripheral Blood (Newborn or Cord, and Others)
2 cc of infants venous blood collected in a green-top
Vacutainer® with sodium heparin. Invert tube to mix
well. Label the tube with patient name and medical record number. DO
NOT FREEZE OR CENTRIFUGE.
Submit specimen to laboratory as soon as possible after collection. Provide details of clinical information and family history (if
applicable). After hours specimens should be taken to Specimen
Control. For questions after hours, call (319) 356-1616 and ask the
operator to page the cytogenetics on-call staff at pager #5525.
Specimens accepted in the lab Monday-Friday, 0800-1700.
Preliminary results are given for STAT cases within 48 hours. Suitable
for interphase and metaphase analysis. Allow 2-5 days for final
Male: X and Y probe signals Female: two X probe signals
The reference range for autosomes varies for each probe, call lab for
Fluorescence In-Situ Hybridization (FISH)
88271 x5, 88275 x5, 88291