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EGFR Mutation Testing

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Also known as: Epidermal Growth Factor Receptor Mutation Analysis; HER-1; erbB-1
Formal name: Epidermal Growth Factor Receptor

Were you looking instead for Estimated Glomerular Filtration Rate, also known as eGFR? If so, see the article on eGFR.

At a Glance

Why Get Tested?

To detect an EGFR gene mutation in tumor tissue to help guide treatment of non-small cell lung cancer

When to Get Tested?

When you have been diagnosed with non-small cell lung cancer and your health practitioner is considering treatment with tyrosine kinase inhibitors such as gefitinib and erlotinib

Sample Required?

A sample of cancer tissue obtained during a biopsy

Test Preparation Needed?