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Available Tests

  • Prader-Willi/Angelman Duplication, Cytogenetics FISH Study

Prader-Willi/Angelman Duplication , Cytogenetics FISH Study

Tube Type

AKA 15q11.2 duplication

Test ID LAB5505A
EPIC Order Cytogenetics Postnatal (blood) order
CPT Code(s) 88271, 88272, 88291
Group/Individual Test Individual
Laboratory Cytogenetics
Tube Station 30 (Core Laboratory)
Specimen Routine: 7-10 mL whole blood/Sodium Heparin/Green Top Tube; See comments for additional specimen information
micro: 2-5 mL whole blood Pediatric: Sodium Heparin/Green Top Tube
If additional testing is requested, a larger sample may be requested
Availability Routine: 24 Hours/7 Days
Rush: RUSH STATUS AVAILABLE 24 hours/7days in lieu of STAT
Turnaround Time Routine: <28 days
Rush: Preliminary 48 hours with Final within 7 days
Reference Range Normal: N/A

If the sample has been collected, please place a "Cytogenetics, Postnatal" (blood)order --LAB5505A.

Deliver sample to the Core Laboratory.

If post-mortem, obtain by cardiac puncture within 1 hour. Keep at room temperature.

Always call the Cytogenetics Laboratory to inform of sample being sent (984-974-1790). If the laboratory is closed leave a message that includes your name and phone/pager#, the patient's name and the sample type.

A peripheral blood karyotype must have already been performed or ordered in conjunction with this test.

Reviewed by jcayless on February 25, 2016

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

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