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DiGeorge Syndrome Deletion by FISH


TEST DIRECTORY
Test Name
DiGeorge Syndrome Deletion by FISH
Alternate Names
22q-, DGS
Description
Fluorescence in-situ hybridization (FISH) using a DNA probe set to detect deletions of 22q11.2.
Test Code
59598
SPECIMEN REQUIREMENTS
Specimen
Blood
Specimen Requirements
Peripheral blood collected in sodium heparin (green topped) tube.
Storage Requirements
Store specimens at room temperature (15 to 30°C) until transported, adding a cold (refrigerator) pack during the summer months.
GENERAL AND TECHNICAL INFORMATION
Turn Around Time
Fresh tissue, bone marrow, and blood: 3-10 days
Methodology
Fluorescence in-situ hybridization (FISH)
CPT Code
88271x1, 88275x1, 88291