FISH, SRY Analysis

Test Description:
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 analysis may also be indicated for pregnancies or newborns with ambiguous genitalia.

Specimen Requirements:
Whole blood in sodium heparin (green top) tube: minimum 5-10 ml
Amnio: minimum total specimen size 15cc
CVS: minimum total specimen size 4 mg

Shipping: Samples should be received on day of collection. Keep specimens at room temperature.

Turnaround Time: 7-10 days

CPT Codes:
Postnatal: 88230, 88271x2, 88274, 88291
Prenatal: 88235, 88271x2, 88274, 88291

Consent Form: Peripheral Blood Chromosomes and FISH Consent [PDF]

Requisition Form: General Test Requisition [PDF]