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.

Specimen Requirements


  • 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)

Ordering Information


  • Ship at room temperature
  • Ship to:
    62 Southfield Ave, Stamford, CT 06902
    Phone: 800-298-6470 / Fax: 646-859-6870


Turnaround Time

  • Prenatal: 14-21 days
  • Postnatal: 6-10 days