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EGFR by FISH

CPT Contact CPT coding department at 800-222-7566, ext. 6-8400.
Synonyms
  • Brain Cancer
  • Breast Cancer
  • Lung Cancer

Test Details

Cancer Type

Lung

Technology Used

FISH

Turnaround Time

3 - 5 days

View Requisition Forms

Use

Confirmation/identification of cancer-related alterations (for lung and brain cancer)

Special Instructions

There will be an additional charge for processing paraffin block samples or for samples that require culture.

Limitations

This test was developed, and its performance characteristics determined, by LabCorp. It has not been cleared or approved by the US Food and Drug Administration (FDA).

Methodology

Fluorescence in situ hybridization (FISH)

Specimen Requirements

Information on collection, storage, and volume

Specimen

Three slides of 4- or 5-micron FFPE sections with tumor. Blood or paraffin block (acceptable at an additional charge).

Volume

Three slides of 4- or 5-micron thick with tumor or 10 mL blood (adult), 5 mL blood (pediatric)

Minimum Volume

Two slides of 4- or 5-micron thick with tumor or 5 mL blood (adult), 1 mL blood (pediatric)

Container

Green-top (sodium heparin) tube; pediatric Vacutainer® is optimal

Storage Instructions

Maintain specimen at room temperature.

Causes for Rejection

Broken or dirty slides; excessive cellular debris or stained slides; decalcified bone cores; frozen specimen; no tumor submitted

Collection

Transport to the testing lab at room temperature; use a cool pack or LabCorp transport kit. Do not allow sample to freeze.

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