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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

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