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Prader-Willi/Angelman Syndrome Analysis

CPT Code(s): 81331

Service Code (IU Health): 53025482

Ordering Recommendation: Diagnostic testing of Prader-Willi/Angelman syndrome.

Synonyms: Prader-Will/Angelman syndrome analysis, Prader-Willi/Angelman MS-PCR, methylation analysis

Methodology: Methylation-specific PCR of the SNRPN gene.

Performed: Monday-Friday

Reported: 14 days

Specimen Requirements

Collect: Lavender (EDTA) tubes.

Specimen Volume: Blood: 2-6 mL whole blood

Storage/Transport: Refrigerated/Room temperature

Unacceptable Conditions: Grossly hemolyzed or clotted

Stability: Two weeks refrigerated; One month frozen