Unit Code 88538:
X-Inactivation (XIST), Xq13.2 Deletion, FISH
Useful For 
Suggests clinical disorders or settings where the test may be helpful
As an aid in the diagnosis of Turner syndrome, in conjunction with
#8696 "Chromosomes Analysis, For Congenital Disorders, Blood"
To characterize marker chromosomes that are derived from the X
chromosome
Genetics Test Information Provides information that may help with selection of the correct test or proper submission of the test request
Only appropriate to characterize X-derived structurally abnormal
chromosomes.
Special Instructions and Forms Describes specimen collection and preparation information, test algorithms, and other information pertinent to test. Also includes pertinent information and consent forms to be used when requesting a particular test
| • | Final Disposition of Fetal/Stillborn Remains |
| • | MayoConnect Additional Test Information Form |
| • | Informed Consent for Genetic Testing |
Method Name A short description of the method used to perform the test
Fluorescence In Situ Hybridization (FISH)
Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name
XIST, Xq13.2, FISH
Ordering Mnemonic An alternate Mayo code (to the Unit Code) for a test
FXIST
Aliases Lists additional common names for a test, as an aid in searching
Soft-FXIST
X Inactivation
Xq Deletion
Xq13.3
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