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EWSR1 Translocation by FISH


TEST DIRECTORY
Test Name
EWSR1 Translocation by FISH
Alternate Names
22q11.2, Ewing, PNET
Description
Fluorescence in-situ hybridization (FISH) using a DNA probe set to identify rearrangements of EWSR1.
Test Code
71470
SPECIMEN REQUIREMENTS
Specimen
Formalin-fixed paraffin embedded tissue
Specimen Requirements
Fresh tissue collected in RPMI, formalin-fixed paraffin embedded tissue
Storage Requirements
Store specimens at room temperature (15 to 30°C) until transported, adding a cold (refrigerator) pack during the summer months.
Causes for Rejections
Decalcified tissues are not accepted.
GENERAL AND TECHNICAL INFORMATION
Turn Around Time
Formalin-fixed paraffin embedded tissue: 7 days
Methodology
Fluorescence in-situ hybridization (FISH)
CPT Code
88377