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LABORATORY TEST DIRECTORY

EWSR1-FLI1 and EWSR1-ERG Translocations by RT-PCR (Inactive as of 11/14/16. Refer to 2007225)

CPT Code(s): 81401 x2
Specimen Required: Patient Preparation:
Collect:Tissue.
Specimen Preparation:Freeze immediately. Transport 100 mg or 0.5-2.0 cm3 fresh tissue in a tissue transport kit (RDL supply #47808) available online through eSupply using RDL Connect™ or contact RDL Client Services at (888) 431-7474.Also acceptable:Formalin fix (10 percent neutral buffered formalin) and paraffin embed tissue. Transport tissue block or 4 tissue scrolls (tissue shavings), 10 microns thick in a tissue transport kit (RDL supply #47808) available online through eSupply using RDL Connect™ or contact RDL Client Services at (888) 431-7474. Protect paraffin block from excessive heat. Tissue block will be returned after testing.
Storage/Transport Temperature:Fresh Tissue: CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered. FFPE: Room temperature. Also acceptable: Refrigerated. Ship in cooled container during summer months.
Stability:Fresh Tissue: Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 1 year FFPE: Ambient: Indefinitely; Refrigerated: Indefinitely; Frozen: Unacceptable
New York DOH Approval Status: This test is New York DOH approved.
Aliases:
  • ERG
  • ewing sarcoma breakpoint
  • EWS
  • EWS-FL1 Type 1
  • EWS-FLI1 type 2
  • EWSC
  • EWSR1-FL1 type 1
  • EWSR1-FL1 type 2
  • FLI1
  • FLI1 type 1
  • FLI1 type 2
  • FLI2
  • t(21;22)