Performing Lab
UCSF Cytogenetics Lab
Test Code
A1321 (Non-Blood Sample), BA1321 (Blood Sample)
Technique
Fluorescence in situ Hybridization
Description
A1321 (Non-Blood Sample): Fluorescence In Situ Hybridization (FISH) is performed to evaluate the number of signals for chromosomes 13 and 21 only In each cell from non-blood samples such as amniotic fluid or CVS samples. Result must be confirmed by routine chromosome analysis.
BA1321 (Blood Sample): Fluorescence In Situ Hybridization (FISH) is performed to evaluate the number of signals for chromosomes 13 and 21 only In each cell from blood samples.
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