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Test #
107
Test CPT Codes
88271x2, 88275
22q12 EWSR1
Test Type
Oncology
Test Disease / Components
Ewing Sarcoma
Test Technology
FISH
Clinical Utility
Diagnostic
Test Specimen
Specimen Type:
FFPE tissue:
Minimum two 4-micron sections on positively charged slides; include one H&E slide
Rejection Criteria:
Specimens fixed or processed in alternative fixatives, heavy metal fixatives (B-4 or B-5)
No tumor in tissue
Decalcified specimens
Frozen specimens
Storage, Stability & Shipping
Stability:
Ambient: Indefinitely
Refrigerated: Indefinitely
Frozen: Unacceptable
In summer, ship in cooled container (refrigerated packs)
Storage:
Ambient
Turnaround Time (TAT)
7-10 Days