FISH for HER-2




Test Mnemonic

HER2F

CPT Codes

  • 88377 - QTY (1)

Aliases

  • Breast Cancer (HER2) Gene Amplification
  • FISH for HER2 Breast
  • Her-2 Neu

Performing Laboratory

Cleveland Clinic Laboratories


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
N/ATissue, formalin fixedClean container AmbientBreast cancer tissue. IHC data must be included when ordering HER2 FISH testing.
N/ASlide (s), unstainedClean containerN/AAmbient4 um tissue sections on positively charged slides. Samples must not be fixed in Prefer or B5. IHC data must be included when ordering HER2 FISH testing.

Days Performed

Mon - Thu

Turnaround Time

5 - 7 days

Methodology

Name Description
Fluorescent In-Situ Hybridization (FISH) 

Reference Range

Special Info

Breast cancer tissue. IHC data must be included when ordering HER2 FISH testing. 4 um tissue sections on positively charged slides. Samples must not be fixed in Prefer or B5. IHC data must be included when ordering HER2 FISH testing.

Clinical Info

Determination of gene amplification and over expression for the oncogene Her - 2 - neu in breast carcinoma. Results reported as gene amplification present (amplified/positive) or absent (not amplified/negative). Gene copy number is specified.