Indicator Explainer
EGFR Gene
This gene is involved in the epidermal growth factor signal transduction pathway.
This page explains what the indicator is and how results are interpreted in general terms. Reference ranges depend on the laboratory, the method, and your own situation — no single “normal value” applies to everyone. This page is health information, not a diagnosis. For symptoms, treatment, or urgent concerns, contact a healthcare professional.
When it is tested
Source: National Cancer Institute, NCI Thesaurus 26.09d, C17757. NCI definition, reproduced without modification under CC BY 4.0. Source identity and definition checked automatically on 2026-10-18. No individual clinical interpretation or human reviewer is asserted.
Reading results
Reference intervals and interpretation depend on the laboratory, specimen, method and clinical context. This source definition is educational information; it does not establish a diagnosis, product approval or suitability for an individual.
Also Known As
References
- NCI Thesaurus 26.09d — EGFR Gene (C17757)
- Source: National Cancer Institute, NCI Thesaurus 26.09d, C17757. NCI definition, reproduced without modification under CC BY 4.0.
- Histological transformation into pulmonary sarcomatoid carcinoma from lung adenosquamous carcinoma after radical resection of EGFR gene Exon-21 L858R mutation: a case report and literature review. — Front Oncol, 2026-06-18 (PMID 42394706; literature)
- Association of EGFR gene polymorphisms rs2072454 and rs2227983 with lung cancer susceptibility in a Western Algerian population: a case-control study. — J Egypt Natl Canc Inst, 2026-05-11 (PMID 42113385; literature)
- A study to learn how well HER3-DXd (patritumab deruxtecan) works and how safe it is in people with previously treated non-small-cell lung cancer that has a mutation in the EGFR gene: a plain language summary of the HERTHENA-Lung01 study. — Future Oncol, 2026-10-12 (PMID 42860885; literature)