Prader Willi-Angelman Syndrome DNA Analysis

Tube Type = Yellow Top or Lavender Top

Tube Type

Test ID LAB5677
EPIC Order
PRADER WILLI AND ANGELMAN DNA ASSAY
CPT Codes 81331, G0452
Laboratory Molecular Genetics Laboratory
Tube Station 30
Specimen Routine: 6mL Blood/Yellow ACD-A Tube or Lavender EDTA tube; See Comments
Micro: 2.0 mL Blood (3x Lavender EDTA Microtainers) Buccal swabs are acceptable for Peds; but blood is preferable.
Availability Routine: Testing performed weekly. No weekends or holidays.
Turnaround Time 14 days - results are generally reported the next day after testing
Reference Range No evidence of Prader Willi or Angelman genotype
Comments
Please call Molecular Genetics 984-974-1825 with questions.

Additional Information:

Reviewed by J. Carr on November 21, 2025

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514