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EGFR Real-time PCR

Synonym(s):
Lab Section Category
View write-up
Specimen Required

​Paraffin embedded tissue block sent to the Histopathology Section.
Alternatively, unstained slides can be sent to the Histopathology Section. At least 8 sections of 8 µm thickness, or 12 sections of 5 µm thickness for smaller biopsies should be sent together with one H&E slide, 4 µm thick with a coverslip as a reference slide. Tumour content must be indicated and must be at least 10%.

Indications

​The test is intended to be used to identify patients with advanced NSCLC whose tumors harbor mutations in exons 18, 19, 20 and 21 of the EGFR gene, and to select patients for treatment with small molecule tyrosine kinase inhibitors (TKIs) that target EGFR, and where the sample tumour content is low (i.e. less 30%). Sanger sequencing is currently still the method of choice for samples with tumour content of 30% or higher.

Method

​Real Time Allele-Specific Polymerase Chain Reaction (Roche cobas® EGFR Mutation Test V2)

Test Results

​Detected, Not Detected or Inconclusive

Turnaround Time

​2 - 8 working days 

Day(s) Test Set up

​Wednesday

Change History Notes

  • 20 Feb 2024 12:00 PM

    Day(s) Test Set-Up has been last updated on 20/02/24. Turnaround Time has been last updated on 20/02/24.

  • 05 Feb 2021 04:00 PM

    Day(s) Test Set-Up has been last updated on 05/02/21.

  • 16 Jan 2017 10:40 AM

    Method: Method last updated on 16/01/17.

  • 01 Jul 2014 02:30 PM

    New test available w.e.f. 01 July 2014.

Back: Pathology Laboratory Services

Last Updated - 21 Jun 2025