A Service of the Hamilton Regional Laboratory
Laboratory Test Information
Committed to Quality
The HRLMP is committed to providing high quality laboratory results for our clients.
As one of the largest integrated laboratory medicine programs in Canada we strive to produce the right results the first time on every sample we receive.
Test Name:
Lung Cancer - Acquired EGFR T790M Genetic Testing
Alternate Name(s): EGFR TKI therapy resistance, somatic genetic testing, follow-up, solid tumour
Requisition Form: Download requisition form for: R_FINAL_Fillable_Cancer Genetics Solid Tumour_requisition_Jan2025.pdf
Specimen Requirement: Five unstained slides (7 uM thickness) on non-coated, uncharged slides. An H&E slide, with region of interest circled by pathologist, must accompany the unstained slides.

Email geneticsurgentreques@hhsc.ca with inquiries.
Turnaround Time: 14 days
Additional Information: Testing on patients previously diagnosed with locally advanced or metastatic NSCLC who have progressed on or after EGFR TKI therapy.

Genes analyzed: EGFR T790M mutation only

For any inquiries, please contact geneticsmailbox@hsc.ca
Method of Analysis: Next-Generation Sequencing
Test was Last Updated: 1/17/2025
Testing Laboratory: Clinical Genetics
Testing Site: JHCC