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Test Name:Angelman syndrome (AS) FISH
Test Number:4280F
Collect:5.0 mL Na Heparin whole blood - Dk Green
Peds Collect:2.0 mL Na Heparin whole blood - Dk Green
Alternate Collect:1.0 - 2.0 mL Cord Blood collected in Na Heparin
Container:Dk Green top (Na Heparin) tube - NO gel
Processing:Submit entire specimen, UNSPUN
Transport/Stability:Ambient - Do not heat or freeze
Alternate Names:UBE3A
Chromosome 15q11.2 deletion / duplication
CYG
LAB4280F
Performing Lab:AHL - Cytogenetics; Z
Days Set Up:Mo - Fr
Expected TAT:14 days
Ref. Ranges:Interpretive report
Collection/
Processing Details:
Detects deletions and duplications involving the UBE3A gene on 15q11.2 within the Angelman syndrome (AS) critical region. Reciprocal duplication of this region is associated with chromosome 15q11-q13 duplication syndrome.

If both chromosome and FISH tests are ordered, only 1 tube is needed.

Specimen collection instructions


Test Ordering For Excellian Users:
Order test place holder according to specimen type.
Answer the questions in Excellian to select the test name and complete the test order.

Specimen = Congenital Blood (LAB4280F)

For prenatal diagnosis, please call the lab and discuss with the Cytogenetics lab director.
Method:Fluorescence in situ Hybridization (FISH)
CPT Codes:Bill Code ANG

88271 x2
88273
88275
88230 – Culture (if appropriate)
Supply Connection:Sodium Heparin Collection Tubes
Date Created:08/17/2015
Revised Date:09/01/2015