SRY FISH Analysis
Related Gene(s): SRY
SRY FISH (fluorescence in situ hybridization) is offered for diagnostic evaluation of individuals who have a 46,XX karyotype and are phenotypic males, or individuals who have a 46,XY karyotype and are phenotypic females. SRY FISH analysis may also be indicated for pregnancies or newborns with ambiguous genitalia.
- Amniotic fluid: Minimum total specimen size 15 mL
- Chorionic villi: Minimum total specimen size 4 mg
- Whole blood: Minimum 5-10 mL in sodium heparin tube (green top)
- Ship at room temperature
- 7-10 days