EWSR1 Oncology FISH
Also known as: Angiomatoid Fibrous Histiocytoma Gene, Clear Cell Sarcoma Gene, Desmoplastic Small Round Cell Tumor Gene, Ewing Sarcoma Breakpoint Region 1, Leukemia FISH
Use
Confirmation/identification of cancer-related alterations (Ewing sarcoma)
Special Instructions
Not provided.
Limitations
This test will not detect molecular mutations or chromosomal alterations not targeted by the probe included in this profile. It has not been cleared or approved by the Food and Drug Administration.
Methodology
Chromosomal / Cytogenetics (FISH)
Biomarkers
LOINC Codes
- 31208-2 - Specimen source
- 48674-6 - Genetic diseases Bld/T FISH
- 50398-7 - Narrative diagnostic report-Imp
- 48672-0 - Clinical cytogeneticist Spec
Result Turnaround Time
3-5 days
Related Documents
For more information, please review the documents below
Specimen
Whole Blood
Volume
5 mL whole blood (pediatric)
Minimum Volume
1 mL whole blood (pediatric)
Container
Green-top (sodium heparin) tube; pediatric Vacutainer® is optimal or lavender-top (EDTA) tube (suboptimal)
Collection Instructions
Utilize sterile technique and Labcorp transport kits when possible.
Storage Instructions
Maintain specimen at room temperature.
Causes for Rejection
Broken or dirty slides; excessive cellular debris or stained slides; decalcified bone cores; frozen specimen
Other tests from different labs that may be relevant