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Lab Test Dictionary

FISH, Myeloid Neoplasms, MECOM (EVI1), 3q26.2 (91391)


Fluorescence in situ Hybridization (FISH)


Ecotropic Viral Integration Site 1 (EVI1), MDS1 and EVI1 Complex Locus

Specimen Type

Whole Blood or Bone Marrow

Performing Lab

Quest Diagnostics San Juan Capistrano

Lab Test Days


Standard TAT

10-11 Days

Collection Information

Specimen Required

3 mL

Container Type

Dark Green (Sodium Heparin)

Collection Instructions

Bone marrow or whole blood collected in sodium heparin (royal blue-top) or sodium heparin (tan-top) tubes are also acceptable. Bone marrow in culture transport medium is also acceptable. Clinical history/reason for refrerral is rquired with test order. Prior therapy and transplant history should be provided with test order. Specimen viability decreases in transit. Send specimens to testing lab for viability determination. Do not reject.

Processing Information - Lab Use Only

Transport Temperature


Specimen Stability

Frozen: Unacceptable

Test Volume Required

3 mL

Minimum Test Volume

1 mL

Processing Instructions

Enter clincial information under specimen number or provide clinical history to send with specimen. Indiciate specimen source in comments.


This test is specific for MDS.

CPT Codes

88271 (x3), 88275