FISH, Prader-Willi Syndrome

Test Description:
Prader-Willi syndrome FISH (Fluorescence In Situ Hybridization) is offered for diagnosis of individuals with clinical features of Prader-Willi syndrome (intellectual disability, hypotonia, hypogonadism, food obsession, behavior problems). The detection rate of FISH analysis for this disorder is approximately 70%.

Specimen Requirements:
Whole blood in sodium heparin (green top) tube: minimum 5-10 ml

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

Turnaround Time: 7-10 days

CPT Codes: 88230, 88271x2, 88274, 88291

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

Requisition Form: General Test Requisition [PDF]

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