Order Code: 333781
CPT Codes: 81331, G0452
Indication: Carrier Screening; Clinical Diagnosis; Prenatal Diagnosis
Required Patient Information: Personal and Family History of clinical symptoms and/or previous test results (if any)
Turn Around Time: 7-14 days
Specimen type: Whole Blood
Methodology: Methylation pattern for the promoter region of the SNRPN gene will be used to determine presence or absence of the maternal and paternal alleles. This assay will detect nearly 100% of patients with Prader-Willi Syndrome (PWS).