Test Name

HER2/NEU (C-ERBB-2)(ERBB2), FISH

Aliases

HER2 FLUORESCENCE IN SITU HYBRIDIZATION TEST

Abbreviations

HER2 FISH

Test Classification

INDIVIDUAL

Department

MOLECULAR PATHOLOGY

Sub Department

ONCOLOGY

TAT Category

ELAPSED (CONTINUOUS) TIME

Estimated TAT

10

TAT Units

DAYS

Test Requirements

Tumor positive formalin-fixed, paraffin-embedded (FFPE) block with adequate residual tissue.

Clinical Utility

Assessment of HER2 gene amplification in breast cancer cells in patients with equivocal HER2 IHC results. Determine eligibility for HER2-targeted therapies.

Last Review

26th Feb 2026