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Lab Test Dictionary

FISH, ALL, Extended Panel (40050)


Fluorescence in situ Hybridization (FISH)

Specimen Type

See Collection Instructions

Performing Lab

Quest Diagnostics San Juan Capistrano

Epic ID


Lab Test Days


Standard TAT

5-7 Days

Collection Information

Specimen Required

3-5 mL Whole Blood or 1-3 mL Bone Marrow

Container Type

Dark Green (Sodium Heparin)

Collection Instructions

Pleural fluid collected in a sterile container or Tissue in RPMI is also acceptable.

Processing Information - Lab Use Only

Transport Temperature


Test Volume Required

5 mL Whole Blood or 3 mL Bone Marrow

Minimum Test Volume

3 mL Whole Blood or 1 mL Bone Marrow

Processing Instructions

Indicate source of specimen in comments, on specimen and on batch sheet. ALL specimens for this test need to be packaged and submitted to Quest in a Hematopathology Specimen Transport box.

Included Tests

11q (MLL), 4,10, 17, 8q (MYC), 14q (IGH), t(9;22), t(12;21), 19p(E2A) and 9p(CDKN2A).


Insurance authorization is required prior to draw for Outpatients. Ok to send on Inpatients.

CPT Codes

88271 (x16), 88275 (x8)