Diagnostic test
FISH FOR SEX CHROMOSOME MOSAICISM (TURNER/KLINEFELTER SYNDROME) FROM BUCCAL CELLS - (Outlab)
About test
What does FISH FOR SEX CHROMOSOME MOSAICISM (TURNER/KLINEFELTER SYNDROME) FROM BUCCAL CELLS - (Outlab) measure?
This test uses buccal (cheek) cells to evaluate the number and pattern of X and Y sex chromosomes in individual cells. It may detect mosaicism, where different cell groups have different sex chromosome patterns. A healthcare professional may order it when assessing possible Turner syndrome, Klinefelter syndrome, or other sex chromosome variations, particularly when mosaicism is being considered. Results are interpreted together with clinical findings and other genetic tests when needed.
This overview is educational. Use the recorded preparation, sample and lab-partner details below for collection guidance, and confirm any missing information before collection.
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Preparation and specimen requirements can vary by test and laboratory. Follow the instructions shown for your selected partner and any advice from your healthcare professional.