DIGEORGE SYNDROME, 22Q11.2 DELETION/DUPLICATION, FISH

Test Code

LAB1238024

CPT Codes
88271 X2, 88273, 88275, 88291

Preferred Specimen

Blood: 2-3 mL whole blood in adark green top tube( sodium heparin)
Pediatric: 1-2 mL whole blood in a dark green top tube (sodium heparin)

Minimum Volume

Blood: 1-2 mL whole blood in a dark green top tupe (sodium heparin)

Instructions

Place in cytogenetics bucket near chemistry

Transport Temperature

Ambient or refrigerated (prolonged transport conditions) NEVER FROZEN

Specimen Stability

BLOOD Ambient (preferred), Refrigerated (accepted)

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Insufficient or clotted sample, more than 4 days old when received in laboratory.

Methodology
Fluorescent In Situ Hybridization (FISH)

Setup Schedule

Samples processed Monday through Saturday. Results reported
Monday through Friday

Reference Range

An interpretive report will be provided

Performing Laboratory
West Virginia University Hospital, Inc.

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.