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HER2 Fluorescence in Situ Hybridization (Breast)

In-house: Reflex test following 2+ HER2 IHC score.
Pathology Consultation and Biomarker Requisition

Reflex HER2 FISH testing determines HER2 status, guiding targeted therapy and prognosis in breast cancer.

Formalin fixed paraffin embedded block or tissue sections cut at 4 microns mounted on charged or coated slides.

Fixation between 6-72 hours

Room temperature (block/unstained slide)

Dako Omnis

Monday to Friday 8 am - 4 pm

Typically 7 days with a maximum of 14 days.

Please refer directly to the Pathology Report

416-586-4800
Extension 4481 or 3813

Reflex testing following a 2+ HER2 IHC score