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Labcorp Oklahoma, Inc.
Test Directory


Index:

Ewing Sarcoma / PNET, EWSR1, 22q12 Rearrangements by FISH

Order Name EWSR1 22q12
Test Number: 6905007
Revision Date 12/13/2022
Test Name Methodology LOINC Code
Ewing Sarcoma / PNET, EWSR1, 22q12 Rearrangements by FISH
Fluorescence in Situ Hybridization  
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 10 mL blood (adult), 5 mL blood (pediatric) (5 mL blood (adult), 1 mL blood (pediatric)) Whole Blood Lithium Heparin (Dark Green Top / No-Gel) Room Temperature
Instructions Notes: Fixed-cell pellet from a cytogenetic analysis, two slides, 5 mL blood (adult), 1 mL blood (pediatric), OR 1 mL bone marrow
Specimen Type: Green-top (sodium heparin) tube; pediatric Vacutainer(R) is optimal OR lavender-top (EDTA) tube
Specimen Storage: Maintain specimen at room temperature.
Specimen Collection: Transport to the testing lab at room temperature; use a cool pack or LabCorp transport kit. Do not allow sample to freeze.
Special Instructions: There will be an additional charge for processing paraffin block samples or for samples that require culture.
Specimen Stability: Ambient: Not Available, Refrigerated : Not Available, Frozen: Not Available
GENERAL INFORMATION
Expected TAT 3-5 days   
Performing Labcorp Test Code 510379 
Notes Labcorp Test Code: 510379
Lab Section Reference Lab