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There will be an additional charge for processing paraffin block samples or for samples that require culture.
3 - 5 days
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Fixed-cell pellet from a cytogenetic analysis, slides with metaphases and/or interphase nuclei, or bone marrow touch prep slides. Blood, bone marrow, cerebrospinal fluid (CSF), FNA, paraffin block are also acceptable with additional charge.
Fixed-cell pellet, three slides, 10 mL blood (adult), 5 mL blood (pediatric), or 3 mL bone marrow
Fixed-cell pellet from a cytogenetic analysis, two slides, 5 mL blood (adult), 1 mL blood (pediatric), or 1 mL bone marrow
Green-top (sodium heparin) tube; pediatric Vacutainer® is optimal or lavender-top (EDTA) tube
Transport to the testing lab at room temperature; use a cool pack or LabCorp transport kit. Do not allow sample to freeze.
Maintain specimen at room temperature.
Broken or dirty slides; excessive cellular debris or stained slides; decalcified bone cores; frozen specimen
Confirmation/identification of cancer-related alterations (Ewing sarcoma)
Fluorescence in situ hybridization (FISH)
Ewing sarcoma EWSR1 rearrangement (usually fused with FLI1) is the primary alteration in PNETs and also in desmoplastic round cell tumors where it is fused with WT1. EWSR1 is also rearranged in clear cell and chondrosarcomas.
|Order Code||Order Code Name||Order Loinc||Result Code||Result Code Name||UofM||Result LOINC|
|510379||EWSR1 Oncology FISH||510280||Specimen Type||31208-2|
|510379||EWSR1 Oncology FISH||510281||Cells Counted||n/a|
|510379||EWSR1 Oncology FISH||510284||Cells Analyzed||n/a|
|510379||EWSR1 Oncology FISH||510377||FISH Result||48674-6|
|510379||EWSR1 Oncology FISH||510286||Interpretation||50398-7|
|510379||EWSR1 Oncology FISH||510378||Director Review:||48672-0|
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